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About Socket Head Screws
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Alloy Steel Socket Head Screws
Fully Threaded
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 ASTM A574, ASTM A574M, and ISO 898-1 comply with specifications and testing requirements for material quality. Screws that meet ASME B18.3, ASME B18.3.1M, ISO 21269, and ISO 4762 (formerly DIN 912) comply with specifications for dimensional standards.
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Thread Spacing  | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M3.5 × 0.6 mm | ||||||||||
Black-Oxide Class 12.9 Alloy Steel | ||||||||||
| 6 | Fully Threaded | Coarse | 6 | 3.5 | 2.5 | 170,000 | ASME B18.3.1M, ASTM A574M | 5 | 000000000 | 00000 |
| 16 | Fully Threaded | Coarse | 6 | 3.5 | 2.5 | 170,000 | ASME B18.3.1M, ASTM A574M | 5 | 000000000 | 0000 |