High-strength alloy steel socket head cap screws meeting ASTM A574M and ASME B18.3.1M specs, available in sizes M4 to M24 and lengths up to 200mm.
These socket head cap screws are manufactured from high-strength alloy steel and are designed for demanding applications where precision and durability are essential. Conforming to ASTM A574M and ASME B18.3.1M standards, these screws offer a minimum tensile strength of 176,946 PSI (1,220 MPa). Available in thread diameters from M4 to M24, they are ideal for use in high-performance assemblies across the automotive, aerospace, and heavy machinery industries.
| Thread (Dia.) | Pitch | Length (mm) | Part No. |
|---|---|---|---|
| M4 | 0.7 | 6 | 46-20406 |
| M4 | 0.7 | 8 | 46-20408 |
| M5 | 0.8 | 10 | 46-20510 |
| M6 | 1.0 | 12 | 46-20612 |
| M8 | 1.25 | 20 | 46-20820 |
| M10 | 1.50 | 30 | 46-21030 |
| M12 | 1.75 | 40 | 46-21240 |
| M16 | 2.0 | 45 | 46-21645 |
| M20 | 2.5 | 60 | 46-22060 |
| M24 | 3.0 | 70 | 46-22470 |
| M24 | 3.0 | 200 | 46-22500 |
At GNS Industrial Supply, we don’t just deliver products—we deliver peace of mind. Unlike traditional suppliers who ship and leave the rest to you, we take a hands-on approach to your inventory management. Our team visits your location, audits your existing stock, identifies what you need, and handles the reordering process for you. We then deliver directly to your facility and restock your supply room according to your preferred system—ensuring your operation runs smoothly without overstock or downtime. It’s a smarter, more personalized way to manage industrial supplies—built for teams who don’t have time to run out of what matters.