Metric hexagon socket head cap screws
Our production range of Alloy steel & Stainless steel Metric Hexagon Socket Head Cap Screws per ISO4762 and DIN912 is from M2 through M24. The thread is 6g. Some people call socket cap screw as Allen bolt. We have the items in stock so that we can serivce our customers rapidly.
Socket head cap screws are suitable for a wide range of engineering applications such as machinery, tools, and even vehicle applications. Besides, socket head cap screws can be used within limited space thanks to internal wrenching features. It is the best, reliable, safe and economy choice. The mechanical property of class 12.9 TUZ Socket head cap screws shall conform to the requirement of ISO 898-1; for instance, the tensile strength shall be more than 1220 N/mm2. The dimension inspections of socket cap head screws conform to DIN912 / ISO 4762-2004. We do offer the inspection report with specific numbers for each item to guarantee the best quality.
Surface Treatment:
- Item：Hex Socket Head Cap Screw, Alloy Steel Hex Socket Cap Screw, Stainless Steel Hex Socket Cap Screw, Allen Bolt, DIN912, ISO 4762
- According To：DIN 912-1983 ISO 4762-1997
- Material：Alloy Steel SCM435、Stainless Steel304
- Strength Grade：12.9；10.9；8.8（M3~M24）
- Tensile Strength：120~140 kg/mm
- Hardness：HRC 39~44
- Surface Treatment：Black Oxide, Black phosphate plated, Bright Zinc plated, CR3+ plated, Black Zinc plated, Nickel plated, Nylon or ND patch
- Class of Thread： 5g6g
- Quality Control : Salt Spray test, hardness test, tensile load test,PPAP report available
- Packing : Bulk packing, small box packing, customized packing
Unit：mm
| Thread Size(d) | Thread Pitch | D | A | H | V | J | E | T | R | Da | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Size Max. | Min | Nominal Size Max. | Min | Nominal Size Max. | Tolerance Min. | Approx | Nominal Size | Tolerance | Approx | Min. | Min. | Max. | ||
| M3 | 0.5 | 3 | 2.86 | 5.5 | 5.32 | 3 | 2.86 | 0.3 | 2.5 | +0.080 +0.020 | 2.87 | 1.3 | 0.10 | 3.6 |
| M4 | 0.7 | 4 | 3.82 | 7.0 | 6.78 | 4 | 3.82 | 0.4 | 3.0 | +0.080 +0.020 | 3.44 | 2.0 | 0.20 | 4.7 |
| M5 | 0.8 | 5 | 4.82 | 8.5 | 8.28 | 5 | 4.82 | 0.5 | 4.0 | +0.095 +0.020 | 4.58 | 2.5 | 0.20 | 5.7 |
| M6 | 1.0 | 6 | 5.82 | 10.0 | 9.78 | 6 | 5.70 | 0.6 | 5.0 | +0.140 +0.020 | 5.72 | 3.0 | 0.25 | 6.8 |
| M8 | 1.25 | 8 | 7.78 | 13.0 | 12.73 | 8 | 7.64 | 0.8 | 6.0 | +0.140 +0.020 | 6.86 | 4.0 | 0.40 | 9.2 |
| M10 | 1.5 | 10 | 9.78 | 16.0 | 15.73 | 10 | 9.64 | 1.0 | 8.0 | +0.175 +0.025 | 9.15 | 5.0 | 0.40 | 11.2 |
| M12 | 1.75 | 12 | 11.73 | 18.0 | 17.73 | 12 | 11.57 | 1.2 | 10.0 | +0.175 +0.025 | 11.43 | 6.0 | 0.60 | 13.7 |
| M14 | 2.0 | 14 | 13.73 | 21.0 | 20.67 | 14 | 13.57 | 1.4 | 12.0 | +0.212 +0.032 | 13.72 | 7.0 | 0.60 | 15.7 |
| M16 | 2.0 | 16 | 15.73 | 24.0 | 23.67 | 16 | 15.57 | 1.6 | 14.0 | +0.212 +0.032 | 16.00 | 8.0 | 0.60 | 17.7 |
| M18 | 2.5 | 18 | 17.73 | 27.0 | 26.67 | 18 | 17.57 | 1.8 | 14.0 | +0.212 +0.032 | 16.00 | 9.0 | 0.60 | 20.2 |
| M20 | 2.5 | 20 | 19.67 | 30.0 | 29.67 | 20 | 19.48 | 2.0 | 17.0 | +0.230 +0.050 | 19.44 | 10.0 | 0.80 | 22.4 |
| M22 | 2.5 | 22 | 21.67 | 33.0 | 32.61 | 22 | 21.48 | 2.2 | 17.0 | +0.230 +0.050 | 19.44 | 11.0 | 0.80 | 24.4 |
| M24 | 3.0 | 24 | 23.67 | 36.0 | 35.61 | 24 | 23.48 | 2.4 | 19.0 | +0.275 +0.065 | 21.73 | 12.0 | 0.80 | 26.4 |