About Flat Head Screws
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About Rounded Head Screws
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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 | Thread Spacing  | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M1.6 × 0.35 mm | ||||||||||
Black-Oxide Class 12.9 Alloy Steel | ||||||||||
| 2 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 | 170,000 | DIN 912, ISO 4762 | 10 | 000000000 | 00000 |
| 3 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 | 170,000 | DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
| 4 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 | 170,000 | DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
| 5 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 | 170,000 | DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
| 6 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 | 170,000 | DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
| 8 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 | 170,000 | DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
| 10 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 | 170,000 | DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
| 12 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 | 170,000 | DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
| 16 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 | 170,000 | DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
18-8 Stainless Steel Socket Head Screws
Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head.
Metric screws are also known as A2 stainless steel screws.
Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch.
Screws that meet ASME B1.1, ASME B18.3, ISO 21269, and ISO 4762 (formerly DIN 912) comply with standards for dimensions.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Thread Spacing | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M1.6 × 0.35 mm | ||||||||||
18-8 Stainless Steel | ||||||||||
| 2 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 mm | 70,000 | DIN 912, ISO 4762 | 5 | 000000000 | 000000 |
| 3 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 mm | 70,000 | DIN 912, ISO 4762 | 100 | 000000000 | 00000 |
| 4 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 mm | 70,000 | DIN 912, ISO 4762 | 100 | 000000000 | 00000 |
| 5 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 mm | 70,000 | DIN 912, ISO 4762 | 100 | 000000000 | 00000 |
| 6 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 mm | 70,000 | DIN 912, ISO 4762 | 100 | 000000000 | 00000 |
| 8 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 mm | 70,000 | DIN 912, ISO 4762 | 100 | 000000000 | 00000 |
| 10 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 mm | 70,000 | DIN 912, ISO 4762 | 50 | 000000000 | 00000 |
| 12 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 mm | 70,000 | DIN 912, ISO 4762 | 50 | 000000000 | 00000 |
| 14 | Fully Threaded | Coarse | 3 | 1.6 | 1.5 mm | 70,000 | DIN 912, ISO 4762 | 25 | 000000000 | 00000 |
Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws
More corrosion resistant than 18-8 stainless steel screws, these screws have excellent resistance to chemicals and salt water. They may be mildly magnetic. 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. Screws that meet 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. | Threading | Thread Spacing | Dia. | Ht. | Drive Size | Finish | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
316 Stainless Steel | |||||||||||
M1.6 × 0.35mm | |||||||||||
| 2mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | Passivated | 70,000 | DIN 912, ISO 4762 | 25 | 000000000 | 000000 |
| 3mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | Passivated | 70,000 | DIN 912, ISO 4762 | 50 | 000000000 | 00000 |
| 4mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | Passivated | 70,000 | DIN 912, ISO 4762 | 50 | 000000000 | 00000 |
| 5mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | Passivated | 70,000 | DIN 912, ISO 4762 | 50 | 000000000 | 00000 |
| 6mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | Passivated | 70,000 | DIN 912, ISO 4762 | 50 | 000000000 | 00000 |
| 8mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | Passivated | 70,000 | DIN 912, ISO 4762 | 25 | 000000000 | 00000 |
| 10mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | Passivated | 70,000 | DIN 912, ISO 4762 | 25 | 000000000 | 00000 |
| 12mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | Passivated | 70,000 | DIN 912, ISO 4762 | 25 | 000000000 | 00000 |
Sealing Socket Head Screws
A rubber O-ring under the head of these screws prevents leaks and seals out contaminants. Dimensions meet ASME B18.3 or ISO 4762 (formerly DIN 912) specifications. Length is measured from under the head.
18-8 stainless steel screws have good corrosion resistance and may be mildly magnetic.
Screws with a Buna-N O-ring withstand wet and abrasive environments.
Screws with a silicone O-ring are good for a wide range of temperatures and resist corrosion from salt water.
Coarse threads are the industry standard; choose these screws if you don’t know the pitch or the threads per inch.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Thread Spacing | Dia. | Ht. | Drive Size | Max. Pressure, psi | O-Ring Temp. Range, °F | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel with Buna-N Rubber O-Ring | ||||||||||||
M1.6 × 0.35 mm | ||||||||||||
| 4mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | 1,500 | -40° to 225° | 100,000 | ASME B18.3, DIN 912, ISO 4762 | 1 | 000000000 | 00000 |
| 8mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | 1,500 | -40° to 225° | 100,000 | ASME B18.3, DIN 912, ISO 4762 | 1 | 000000000 | 0000 |
| 10mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | 1,500 | -40° to 225° | 100,000 | ASME B18.3, DIN 912, ISO 4762 | 1 | 000000000 | 0000 |
| 12mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | 1,500 | -40° to 225° | 100,000 | ASME B18.3, DIN 912, ISO 4762 | 1 | 000000000 | 0000 |
| 14mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | 1,500 | -40° to 225° | 100,000 | ASME B18.3, DIN 912, ISO 4762 | 1 | 000000000 | 0000 |
18-8 Stainless Steel with Silicone Rubber O-Ring | ||||||||||||
M1.6 × 0.35 mm | ||||||||||||
| 8mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | 1,500 | -80° to 400° | 100,000 | ASME B18.3, DIN 912, ISO 4762 | 1 | 000000000 | 0000 |
| 10mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | 1,500 | -80° to 400° | 100,000 | ASME B18.3, DIN 912, ISO 4762 | 1 | 000000000 | 0000 |
| 12mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | 1,500 | -80° to 400° | 100,000 | ASME B18.3, DIN 912, ISO 4762 | 1 | 000000000 | 0000 |
| 14mm | Fully Threaded | Coarse | 3mm | 1.6mm | 1.5 mm | 1,500 | -80° to 400° | 100,000 | ASME B18.3, DIN 912, ISO 4762 | 1 | 000000000 | 0000 |
Metric 18-8 Stainless Steel Torx Flat Head Screws
These 18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. Screws are passivated for added protection against oxidation and corrosion. Torx and Torx-Plus drives have more points of contact than other drives, allowing you to tighten the screw without damaging the recess. For Torx tools, see Torx and Torx-Plus bits, keys, and drivers . Screws are angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.
For technical drawings and 3-D models, click on a part number.
Drive | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Head Dia., mm | Head Ht., mm | Style | Size | Finish | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||||
M1.6 × 0.35 mm | |||||||||||
| 3 | Fully Threaded | 3.65 | 0.96 | Torx Plus | IP5, T5 | Passivated | Not Rated | ASME B18.6.7M | 100 | 000000000 | 00000 |
| 4 | Fully Threaded | 3.65 | 0.96 | Torx Plus | IP5, T5 | Passivated | Not Rated | ASME B18.6.7M | 100 | 000000000 | 0000 |
| 5 | Fully Threaded | 3.65 | 0.96 | Torx Plus | IP5, T5 | Passivated | Not Rated | ASME B18.6.7M | 100 | 000000000 | 0000 |
| 6 | Fully Threaded | 3 | 0.96 | Torx | T4 | Passivated | Not Rated | ISO 14581 | 50 | 000000000 | 0000 |
Metric 18-8 Stainless Steel Button Head Hex Drive Screws
Made from 18-8 stainless steel, these button head screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head.
Passivated stainless steel screws provide added protection against oxidation and corrosion.
For technical drawings and 3-D models, click on a part number.
Metric 18-8 Stainless Steel Button Head Torx Screws
18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. All are passivated for added protection against oxidation and corrosion. A Torx drive has more points of contact than other drives, allowing you to tighten the screw without damaging the recess. For Torx tools, see Torx bits, keys, and drivers. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.