Socket Head Cap Screws (ISO 4762 / DIN 912) are a type of screws used across industrial assembly. Below is the complete size table together with material, standard and application guidance.
What Are Socket Head Cap Screws?
Socket Head Cap Screws are screws defined by ISO 4762 / DIN 912. They are selected by thread size and the dimensional characteristics shown below, and are available in a range of materials and finishes to suit the application and environment.
Dimensions & Specifications (ISO 4762 / DIN 912)
| Size | Pitch (mm) | Head diameter dk (mm) | Head height k (mm) | Hex key s (mm) | Socket depth t min (mm) | Reference standard |
|---|---|---|---|---|---|---|
| M1 | 0.25 | 1.9 | 1.0 | 0.7 | 0.5 | ISO 4762 / DIN 912 |
| M1.2 | 0.25 | 2.3 | 1.2 | 0.9 | 0.6 | ISO 4762 / DIN 912 |
| M1.4 | 0.3 | 2.6 | 1.4 | 1.0 | 0.7 | ISO 4762 / DIN 912 |
| M1.6 | 0.35 | 3.0 | 1.6 | 1.5 | 0.7 | ISO 4762 / DIN 912 |
| M2 | 0.4 | 3.8 | 2.0 | 1.5 | 1.0 | ISO 4762 / DIN 912 |
| M2.5 | 0.45 | 4.5 | 2.5 | 2.0 | 1.1 | ISO 4762 / DIN 912 |
| M3 | 0.5 | 5.5 | 3.0 | 2.5 | 1.3 | ISO 4762 / DIN 912 |
| M4 | 0.7 | 7.0 | 4.0 | 3.0 | 2.0 | ISO 4762 / DIN 912 |
| M5 | 0.8 | 8.5 | 5.0 | 4.0 | 2.5 | ISO 4762 / DIN 912 |
| M6 | 1.0 | 10.0 | 6.0 | 5.0 | 3.0 | ISO 4762 / DIN 912 |
| M8 | 1.25 | 13.0 | 8.0 | 6.0 | 4.0 | ISO 4762 / DIN 912 |
| M10 | 1.5 | 16.0 | 10.0 | 8.0 | 5.0 | ISO 4762 / DIN 912 |
| M12 | 1.75 | 18.0 | 12.0 | 10.0 | 6.0 | ISO 4762 / DIN 912 |
| M14 | 2.0 | 21.0 | 14.0 | 12.0 | 7.0 | ISO 4762 / DIN 912 |
| M16 | 2.0 | 24.0 | 16.0 | 14.0 | 8.0 | ISO 4762 / DIN 912 |
| M18 | 2.5 | 27.0 | 18.0 | 14.0 | 9.0 | ISO 4762 / DIN 912 |
| M20 | 2.5 | 30.0 | 20.0 | 17.0 | 10.0 | ISO 4762 / DIN 912 |
| M22 | 2.5 | 33.0 | 22.0 | 17.0 | 11.0 | ISO 4762 / DIN 912 |
| M24 | 3.0 | 36.0 | 24.0 | 19.0 | 12.0 | ISO 4762 / DIN 912 |
| M27 | 3.0 | 40.0 | 27.0 | 19.0 | 13.5 | ISO 4762 / DIN 912 |
| M30 | 3.5 | 45.0 | 30.0 | 22.0 | 15.5 | ISO 4762 / DIN 912 |
| M33 | 3.5 | 50.0 | 33.0 | 24.0 | 17.5 | ISO 4762 / DIN 912 |
| M36 | 4.0 | 54.0 | 36.0 | 27.0 | 19.0 | ISO 4762 / DIN 912 |
| M42 | 4.5 | 63.0 | 42.0 | 32.0 | 21.0 | ISO 4762 / DIN 912 |
| M48 | 5.0 | 72.0 | 48.0 | 36.0 | 25.0 | ISO 4762 / DIN 912 |
Materials & Finishes
Common materials include carbon steel (typically zinc plated or hot-dip galvanized), alloy steel in property classes 8.8, 10.9 and 12.9, and stainless steel A2 (304) or A4 (316) for corrosion resistance. Specify the material, property class and surface finish appropriate to your load and environment.
Typical Applications
Machine assembly, tooling, enclosures and precision equipment where a clean, controllable drive and head form are needed.
Related Fasteners
Pricing
Socket Head Cap Screws are stocked and supplied to order. Pricing starts from approximately US$0.050 per piece for standard sizes in carbon steel; final pricing depends on size, material, finish and order quantity (MOQ applies). Request a quotation below for your exact specification.
Request a Quotation for Socket Head Cap Screws
Tell us the size, material, finish and quantity you need for Socket Head Cap Screws (ISO 4762 / DIN 912) and our team will respond within one business day.