About Flat Head Screws
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Mil. Spec. Stainless Steel Phillips Flat Head Screws



Choose these screws for their adherence to strict military standards for material and construction. They have good chemical resistance and may be mildly magnetic. Screws are angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.
Screws with a 100° countersink angle distribute pressure over a wide area to prevent crushing soft materials.
Black-oxide stainless steel screws have a matte-black finish.
Passivated stainless steel screws protect against oxidation and corrosion.
For technical drawings and 3-D models, click on a part number.
Lg. | Threading | Flat Head Profile | Head Dia. | Head Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Passivated 18-8 Stainless Steel—100° Countersink Angle | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
0-80 | ||||||||||
3/16" | Fully Threaded | Standard | 0.119" | 0.026" | No. 0 | 70,000 | MS24693-C420, NASM24693 | 50 | 000000000 | 00000 |
1/4" | Fully Threaded | Standard | 0.119" | 0.026" | No. 0 | 70,000 | MS24693-C421, NASM24693 | 50 | 000000000 | 0000 |
5/16" | Fully Threaded | Standard | 0.119" | 0.026" | No. 0 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C422, NASM24693, SAE AMS2700 | 50 | 000000000 | 0000 |
3/8" | Fully Threaded | Standard | 0.119" | 0.026" | No. 0 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C423, NASM24693, SAE AMS2700 | 50 | 000000000 | 0000 |
2-56 | ||||||||||
1/8" | Fully Threaded | Standard | 0.172" | 0.037" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C16, NASM24693, SAE AMS2700 | 50 | 000000000 | 0000 |
5/32" | Fully Threaded | Standard | 0.172" | 0.037" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C17, NASM24693, SAE AMS2700 | 50 | 000000000 | 0000 |
4-40 | ||||||||||
3/16" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C1, NASM24693, SAE AMS2700 | 100 | 000000000 | 00000 |
1/4" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C2, NASM24693, SAE AMS2700 | 100 | 000000000 | 00000 |
5/16" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C3, NASM24693, SAE AMS2700 | 100 | 000000000 | 00000 |
3/8" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C4, NASM24693, SAE AMS2700 | 100 | 000000000 | 00000 |
7/16" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C5, NASM24693, SAE AMS2700 | 100 | 000000000 | 00000 |
1/2" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C6, NASM24693, SAE AMS2700 | 100 | 000000000 | 00000 |
5/8" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C7, NASM24693, SAE AMS2700 | 100 | 000000000 | 00000 |
3/4" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C8, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
7/8" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C9, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
1" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C10, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
1 1/8" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C11, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
1 1/4" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C12, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
1 1/2" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C14, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
6-32 | ||||||||||
3/16" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C23, NASM24693, SAE AMS2700 | 100 | 000000000 | 00000 |
1/4" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C24, NASM24693, SAE AMS2700 | 100 | 000000000 | 00000 |
5/16" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C25, NASM24693, SAE AMS2700 | 100 | 000000000 | 00000 |
3/8" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C26, NASM24693, SAE AMS2700 | 100 | 000000000 | 00000 |
7/16" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C27, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
1/2" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C28, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
5/8" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C29, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
3/4" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C30, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
7/8" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C31, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
1" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C32, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
1 1/8" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C33, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
1 1/4" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C34, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
1 1/2" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C36, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
2" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C40, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
2 1/2" | Partially Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C42, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
8-32 | ||||||||||
1/4" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C46, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
5/16" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C47, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
3/8" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C48, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
7/16" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C49, NASM24693, SAE AMS2700 | 50 | 000000000 | 0000 |
1/2" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C50, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
5/8" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C51, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
3/4" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C52, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
7/8" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C53, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
1" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C54, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
1 1/8" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C55, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
1 1/4" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C56, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
1 1/2" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C58, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
1 3/4" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C60, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
2" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C62, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
2 1/2" | Partially Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C64, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
10-24 | ||||||||||
5/16" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C69, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
3/8" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C70, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
7/16" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C71, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
1/2" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C72, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
5/8" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C73, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
3/4" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C74, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
1" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | MS24693-C76, NASM24693 | 25 | 000000000 | 00000 |
1 1/4" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C78, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
1 1/2" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C80, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
2" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C84, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
10-32 | ||||||||||
1/4" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C268, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
5/16" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C269, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
3/8" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C270, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
7/16" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C271, NASM24693, SAE AMS2700 | 50 | 000000000 | 00000 |
1/2" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C272, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
5/8" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C273, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
3/4" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C274, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
7/8" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C275, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
1" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C276, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
1 1/8" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C277, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
1 1/4" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C278, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
1 3/8" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C279, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
1 1/2" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C280, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
1 5/8" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C281, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
1 3/4" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C282, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
1 7/8" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C283, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
2" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C284, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
2 1/4" | Partially Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C285, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
2 1/2" | Partially Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C286, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
1/4"-20 | ||||||||||
3/8" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | MS24693-C92, NASM24693 | 25 | 000000000 | 00000 |
7/16" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C93, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
1/2" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C94, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
5/8" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C95, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
3/4" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C96, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
1" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C98, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
1 1/8" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C99, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
1 1/4" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C100, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
1 1/2" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | MS24693-C102, NASM24693 | 10 | 000000000 | 00000 |
1 3/4" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | MS24693-C104, NASM24693 | 10 | 000000000 | 00000 |
2" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | MS24693-C106, NASM24693 | 10 | 000000000 | 00000 |
1/4"-28 | ||||||||||
3/8" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | MS24693-C292, NASM24693 | 25 | 000000000 | 00000 |
7/16" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C293, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
1/2" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C294, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
5/8" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C295, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
3/4" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C296, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
7/8" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C297, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
1" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C298, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
1 1/8" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C299, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
1 1/4" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C300, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
1 1/2" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | MS24693-C302, NASM24693 | 10 | 000000000 | 00000 |
1 5/8" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C303, NASM24693, SAE AMS2700 | 5 | 000000000 | 00000 |
1 3/4" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C304, NASM24693, SAE AMS2700 | 5 | 000000000 | 00000 |
1 7/8" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C305, NASM24693, SAE AMS2700 | 1 | 000000000 | 0000 |
2" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C306, NASM24693, SAE AMS2700 | 1 | 000000000 | 0000 |
Black-Oxide 18-8 Stainless Steel—100° Countersink Angle | ||||||||||
0-80 | ||||||||||
3/16" | Fully Threaded | Standard | 0.119" | 0.026" | No. 0 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-420B, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
2-56 | ||||||||||
1/8" | Fully Threaded | Standard | 0.172" | 0.037" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-16B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
5/32" | Fully Threaded | Standard | 0.172" | 0.037" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-17B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
4-40 | ||||||||||
3/16" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-1B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
1/4" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-2B, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
5/16" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-3B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
3/8" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-4B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
7/16" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-5B, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
1/2" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-6B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
5/8" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-7B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
3/4" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-8B, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
6-32 | ||||||||||
3/16" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-23B, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
1/4" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-24B, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
5/16" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-25B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
3/8" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-26B, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
7/16" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-27B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
1/2" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-28B, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
5/8" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-29B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
3/4" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-30B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
7/8" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-31B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
1" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-32B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
8-32 | ||||||||||
1/4" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-46B, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
5/16" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-47B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
3/8" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-48B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
7/16" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-49B, NASM24693, SAE AMS2700 | 25 | 000000000 | 0000 |
1/2" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-50B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
5/8" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-51B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
3/4" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-52B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
7/8" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-53B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
1" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-54B, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
10-32 | ||||||||||
1/4" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-268B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
5/16" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-269B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
3/8" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-270B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
7/16" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-271B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
1/2" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-272B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
5/8" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-273B, NASM24693, SAE AMS2700 | 25 | 000000000 | 00000 |
3/4" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-274B, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
7/8" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-275B, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
1" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-276B, NASM24693, SAE AMS2700 | 10 | 000000000 | 0000 |
1/4"-20 | ||||||||||
1/2" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-94B, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
5/8" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-95B, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
3/4" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-96B, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
1" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 70,000 | Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-98B, NASM24693, SAE AMS2700 | 10 | 000000000 | 00000 |
Mil. Spec. Steel Phillips Flat Head Screws


Choose these screws for their adherence to strict military standards for material and construction. They're cadmium plated to resist corrosion in wet environments. These screws are angled under the head to sit flush within countersunk holes. Length is measured from the top of the head. Screws with a 100° countersink angle distribute pressure over a wide area to prevent crushing soft materials.
For technical drawings and 3-D models, click on a part number.
Lg. | Threading | Flat Head Profile | Head Dia. | Head Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Cadmium-Plated Steel—100° Countersink Angle | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
4-40 | ||||||||||
3/16" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 60,000 | MS24693-S1, NASM24693 | 100 | 000000000 | 00000 |
1/4" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 60,000 | MS24693-S2, NASM24693 | 100 | 000000000 | 00000 |
3/8" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 60,000 | MS24693-S4, NASM24693 | 100 | 000000000 | 00000 |
1/2" | Fully Threaded | Standard | 0.225" | 0.049" | No. 1 | 60,000 | MS24693-S6, NASM24693 | 100 | 000000000 | 00000 |
6-32 | ||||||||||
1/4" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 60,000 | MS24693-S24, NASM24693 | 100 | 000000000 | 00000 |
3/8" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 60,000 | MS24693-S26, NASM24693 | 100 | 000000000 | 00000 |
1/2" | Fully Threaded | Standard | 0.279" | 0.06" | No. 2 | 60,000 | MS24693-S28, NASM24693 | 50 | 000000000 | 0000 |
8-32 | ||||||||||
3/8" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 60,000 | MS24693-S48, NASM24693 | 50 | 000000000 | 0000 |
1/2" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 60,000 | MS24693-S50, NASM24693 | 50 | 000000000 | 0000 |
3/4" | Fully Threaded | Standard | 0.332" | 0.072" | No. 2 | 60,000 | MS24693-S52, NASM24693 | 50 | 000000000 | 00000 |
10-32 | ||||||||||
3/8" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 60,000 | MS24693-S270, NASM24693 | 50 | 000000000 | 00000 |
1/2" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 60,000 | MS24693-S272, NASM24693 | 50 | 000000000 | 00000 |
3/4" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 60,000 | MS24693-S274, NASM24693 | 50 | 000000000 | 00000 |
1" | Fully Threaded | Standard | 0.385" | 0.083" | No. 2 | 60,000 | MS24693-S276, NASM24693 | 50 | 000000000 | 00000 |
1/4"-20 | ||||||||||
1/2" | Fully Threaded | Standard | 0.507" | 0.11" | No. 3 | 60,000 | MS24693-S94, NASM24693 | 25 | 000000000 | 0000 |