Cap Head Screws have a cylindrical head with a flat top and a recessed hexagonal socket (internal drive). The socket allows for tightening or loosening the screw using a hex key or Allen wrench.
Frank's Fasteners provides Socket Cap Head Screws in A2/304 Stainless Steel and 12.9 High Tensile Steel.
Additional material and finishes can be sourced, don't hesitate to get in touch with us with your enquiry.
| Diameter | Pitch | Head Diameter | Depth of head | Socket Wrench Size |
|---|---|---|---|---|
| M1.6 | 0.35mm | 3.0mm | 1.6mm | 1.5mm |
| M2 | 0.4mm | 3.8mm | 2.0mm | 1.5mm |
| M2.5 | 0.45mm | 4.5mm | 2.5mm | 2.0mm |
| M3 | 0.5mm | 5.5mm | 3.0mm | 2.5mm |
| M4 | 0.7mm | 7.0mm | 4.0mm | 3.0mm |
| M5 | 0.8mm | 8.5mm | 5.0mm | 4.0mm |
| M6 | 1.0mm | 10.mm | 6mm | 5mm |
| M8 | 1.25mm | 13mm | 8mm | 6mm |
| M10 | 1.5mm | 16mm | 10mm | 8mm |
| M12 | 1.75mm | 18mm | 12mm | 10mm |
| M14 | 2.0mm | 21mm | 14mm | 12mm |
| M16 | 2.0mm | 24mm | 16mm | 14mm |
| M18 | 2.5mm | 27mm | 18mm | 14mm |
| M20 | 2.5mm | 30mm | 20mm | 17mm |
| M22 | 2.5mm | 33mm | 22mm | 17mm |
| M24 | 3.0mm | 36mm | 24mm | 19mm |
| M27 | 3.0mm | 40mm | 27mm | 19mm |
| M30 | 3.5mm | 45mm | 30mm | 22mm |
| M33 | 3.5mm | 50mm | 33mm | 24mm |
| M36 | 4.0mm | 54mm | 36mm | 27mm |
| M39 | 4.0mm | 58mm | 39mm | 27mm |
| M42 | 4.5mm | 63mm | 42mm | 32mm |
| M48 | 5.0mm | 72mm | 48mm | 36mm |