Metric Hexagon Head Cap Screws
Hex head bolts, also known as hex head cap screws, have hexagonal heads and machine threads for use with a nut or in a tapped hole.
Our products are according to DIN 931/933.
Surface Treatment:
- Item：Hex Head Cap Screw, DIN 933, DIN931, Hex Bolt
- According：DIN 931/933
- Material：Alloy Steel SAE 4135；Carbon Steel SAE 1035；Stainless Steel 304
- Strength Class：12.9；8.8
- Hardness：HRC 39~44；HRC 22~34
- Surface Treatment : Black Oxide, Black phosphate plated, Bright Zinc plated, CR3+ plated, Black Zinc plated, Nickel plated,chrome plating ,GEOMAT, Nylon or ND patch
- 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) | P | Ds | Da | Dw | e | K | R | S | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Max. | Min. | Max. | Max. | Min. | Nominal Size | Tolerance | Min. | Nominal Size | Min. | ||
| M3 | 0.50 | 3 | 2.86 | 3.6 | 4.6 | 6.01 | 2.0 | -0.12 +0.12 | 0.10 | 5.5 | 5.32 |
| M4 | 0.70 | 4 | 3.82 | 4.7 | 5.9 | 7.66 | 2.8 | -0.12 +0.12 | 0.20 | 7.0 | 6.78 |
| M5 | 0.80 | 5 | 4.82 | 5.7 | 6.9 | 8.79 | 3.5 | -0.15 +0.15 | 0.20 | 8.0 | 7.78 |
| M6 | 1.00 | 6 | 5.82 | 6.8 | 8.9 | 11.05 | 4.0 | -0.15 +0.15 | 0.25 | 10.0 | 9.78 |
| M8 | 1.25 | 8 | 7.78 | 9.2 | 11.6 | 14.38 | 5.3 | -0.15 +0.15 | 0.40 | 13.0 | 12.73 |
| M10 | 1.50 | 10 | 9.78 | 11.2 | 15.6 | 18.90 | 6.4 | -0.18 +0.18 | 0.40 | 17.0 | 16.73 |
| M12 | 1.75 | 12 | 11.73 | 13.7 | 17.4 | 21.10 | 7.5 | -0.18 +0.18 | 0.60 | 19.0 | 18.67 |
| M16 | 2.00 | 16 | 15.73 | 17.7 | 22.5 | 26.75 | 10.0 | -0.18 +0.18 | 0.60 | 24.0 | 23.67 |
| M20 | 2.50 | 20 | 19.67 | 22.4 | 28.2 | 33.53 | 12.5 | -0.22 +0.22 | 0.80 | 30.0 | 29.67 |
| M24 | 3.00 | 24 | 23.67 | 26.4 | 33.6 | 39.98 | 15.0 | -0.22 +0.22 | 0.80 | 36.0 | 35.38 |