About Socket Head Screws
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Alloy Steel Socket Head Screws
With a tensile strength of 170,000 psi, these alloy steel screws are stronger than Grade 8 steel screws. Length is measured from under the head.
Black-oxide steel screws are mildly corrosion resistant in dry environments.
Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch. Screws that meet ASME B18.3, ASME B18.3.1M, ISO 21269, and ISO 4762 (formerly DIN 912) comply with specifications for dimensional standards.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Min. Thread Lg., mm | Thread Spacing  | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M7 × 1 mm | |||||||||||
Black-Oxide Class 12.9 Alloy Steel | |||||||||||
| 16 | Fully Threaded | __ | Coarse | 12 | 7 | 6 | 170,000 | DIN 912, ISO 4762 | 1 | 000000000 | 00000 |
| 20 | Fully Threaded | __ | Coarse | 12 | 7 | 6 | 170,000 | DIN 912, ISO 4762 | 1 | 000000000 | 0000 |
| 25 | Fully Threaded | __ | Coarse | 12 | 7 | 6 | 170,000 | DIN 912, ISO 4762 | 1 | 000000000 | 0000 |
| 30 | Partially Threaded | 26 | Coarse | 12 | 7 | 6 | 170,000 | DIN 912, ISO 4762 | 1 | 000000000 | 0000 |
| 50 | Partially Threaded | 26 | Coarse | 12 | 7 | 6 | 170,000 | DIN 912, ISO 4762 | 1 | 000000000 | 0000 |
Alloy Steel Ultra-Low-Profile Socket Head Screws
Made from alloy steel, these screws are nearly twice as strong as stainless steel ultra-low-profile screws. Their black-oxide finish provides mild corrosion resistance in dry environments. To fit in the tightest spaces, they have a head that's about one-third the height of a standard socket head, but their low profile makes their head weaker. Not recommended for critical fastening applications. Length is measured from under the head.
Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Each | |
Alloy Steel | ||||||||
M7 × 1 mm | ||||||||
| 10mm | Fully Threaded | Coarse | 12mm | 2.7mm | 4.5 mm | 140,000 | 000000000 | 00000 |
| 12mm | Fully Threaded | Coarse | 12mm | 2.7mm | 4.5 mm | 140,000 | 000000000 | 0000 |
| 14mm | Fully Threaded | Coarse | 12mm | 2.7mm | 4.5 mm | 140,000 | 000000000 | 0000 |
| 20mm | Fully Threaded | Coarse | 12mm | 2.7mm | 4.5 mm | 140,000 | 000000000 | 0000 |
| 25mm | Fully Threaded | Coarse | 12mm | 2.7mm | 4.5 mm | 140,000 | 000000000 | 0000 |