PRODUCTS CENTER
Netherlands High Strength Grade 8.8 10.9 12.9 Steel DIN931 DIN933 Black Oxide Hex Bolts
We are committed to become the world's top fastening solutions provider, let Chinese prod-uct enterworld class, let the Chengyi production become synonymous with quality. To this end we need perseverance. At the same time, we also shoulder the responsibility of the society and the expectations of theemployees. In the future, we will become a respected enterprise.
Category:
Product Description
Product Photos and Information
| Name | Hex Bolts | Materials | Carbon Steel/Stainless Steel |
| Standards | DIN ISO UNC BSW JIS etc. | Strength level | 4.8 8.8 10.9 12.9 A2-70 A4-70 A4-80 |
| Size | M3-M50 | Surface finish | ZP\HDG\BLACK\Dacromet etc. |
| Length | 15-500 | Samples | Available |
|
|
Product Standards

Hexagon head thick shank half thread bolts M1.6-M39 DIN 931
| Thread size | M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | (M7) | M8 | M10 | M12 | ||||
| d | ||||||||||||||||
| P | Pitch | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1 | 1.25 | 1.5 | 1.75 | |||
| b | Reference | L≤125 | 9 | 10 | 11 | 12 | 13 | 14 | 16 | 18 | 20 | twenty two | 26 | 30 | ||
| 125<L≤200 | - | - | - | - | - | - | twenty two | twenty four | 26 | 28 | 32 | 36 | ||||
| L>200 | - | - | - | - | - | - | - | - | - | - | 45 | 49 | ||||
| c | Minimum | 0.1 | 0.1 | 0.1 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | |||
| Maximum value | 0.25 | 0.25 | 0.25 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | ||||
| d a | Maximum value | 2 | 2.6 | 3.1 | 3.6 | 4.1 | 4.7 | 5.7 | 6.8 | 7.8 | 9.2 | 11.2 | 13.7 | |||
| ds | Max = nominal | 1.6 | 2 | 2.5 | 3 | 3.5 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | |||
| Minimum | Class A | 1.46 | 1.86 | 2.36 | 2.86 | 3.32 | 3.82 | 4.82 | 5.82 | 6.78 | 7.78 | 9.78 | 11.73 | |||
| Class B | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| dw | Minimum | Class A | 2.4 | 3.2 | 4.1 | 4.6 | 5.1 | 5.9 | 6.9 | 8.9 | 9.8 | 11.6 | 15.6 | 17.4 | ||
| Class B | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| and | Minimum | Class A | 3.41 | 4.32 | 5.45 | 6.01 | 6.58 | 7.66 | 8.79 | 11.05 | 12.12 | 14.38 | 18.9 | 21.1 | ||
| Class B | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| k | Nominal | 1.1 | 1.4 | 1.7 | 2 | 2.4 | 2.8 | 3.5 | 4 | 4.8 | 5.3 | 6.4 | 7.5 | |||
| Class A | Minimum | 0.98 | 1.28 | 1.58 | 1.88 | 2.28 | 2.68 | 3.35 | 3.85 | 4.65 | 5.15 | 6.22 | 7.32 | |||
| Maximum value | 1.22 | 1.52 | 1.82 | 2.12 | 2.52 | 2.92 | 3.65 | 4.15 | 4.95 | 5.45 | 6.58 | 7.68 | ||||
| Class B | Minimum | - | - | - | - | - | - | - | - | - | - | - | - | |||
| Maximum value | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| k 1 | Minimum | 0.7 | 0.9 | 1.1 | 1.3 | 1.6 | 1.9 | 2.28 | 2.63 | 3.19 | 3.54 | 4.28 | 5.05 | |||
| r | Minimum | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.25 | 0.4 | 0.4 | 0.6 | |||
| s | Max = nominal | 3.2 | 4 | 5 | 5.5 | 6 | 7 | 8 | 10 | 11 | 13 | 17 | 19 | |||
| Minimum | Class A | 3.02 | 3.82 | 4.82 | 5.32 | 5.82 | 6.78 | 7.78 | 9.78 | 10.73 | 12.73 | 16.73 | 18.67 | |||
| Class B | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| Mhread length b | - | - | - | - | - | - | - | - | - | - | - | - | ||||
| Thread size | (M14) | M16 | (M18) | M20 | (M22) | M24 | (M27) | M30 | (M33) | M36 | (M39) | ||||
| d | |||||||||||||||
| P | Pitch | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | |||
| b | Reference | L≤125 | 34 | 38 | 42 | 46 | 50 | 54 | 60 | 66 | 72 | 78 | 84 | ||
| 125<L≤200 | 40 | 44 | 48 | 52 | 56 | 60 | 66 | 72 | 78 | 84 | 90 | ||||
| L>200 | 53 | 57 | 61 | 65 | 69 | 73 | 79 | 85 | 91 | 97 | 103 | ||||
| c | Minimum | 0.15 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | |||
| Maximum value | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1 | ||||
| d a | Maximum value | 15.7 | 17.7 | 20.2 | 22.4 | 24.4 | 26.4 | 30.4 | 33.4 | 36.4 | 39.4 | 42.4 | |||
| ds | Max = nominal | 14 | 16 | 18 | 20 | twenty two | twenty four | 27 | 30 | 33 | 36 | 39 | |||
| Minimum | Class A | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | - | - | - | - | - | |||
| Class B | - | 15.57 | 17.57 | 19.48 | 21.48 | 23.48 | 26.48 | 29.48 | 32.38 | 35.38 | 38.38 | ||||
| dw | Minimum | Class A | 20.5 | 22.5 | 25.3 | 28.2 | 30 | 33.6 | - | - | - | - | - | ||
| Class B | - | twenty two | 24.8 | 27.7 | 29.5 | 33.2 | 38 | 42.7 | 46.6 | 51.1 | 55.9 | ||||
| and | Minimum | Class A | 24.49 | 26.75 | 30.14 | 33.53 | 35.72 | 39.98 | - | - | - | - | - | ||
| Class B | - | 26.17 | 29.56 | 32.95 | 35.03 | 39.55 | 45.2 | 50.85 | 55.37 | 60.79 | 66.44 | ||||
| k | Nominal | 8.8 | 10 | 11.5 | 12.5 | 14 | 15 | 17 | 18.7 | twenty one | 22.5 | 25 | |||
| Class A | minimum | 8.62 | 9.82 | 11.28 | 12.28 | 13.78 | 14.78 | - | - | - | - | - | |||
| maximum value | 8.98 | 10.18 | 11.72 | 12.72 | 14.22 | 15.22 | - | - | - | - | - | ||||
| Class B | minimum | - | 9.71 | 11.15 | 12.15 | 13.65 | 14.65 | 16.65 | 18.28 | 20.58 | 22.08 | 24.58 | |||
| maximum value | - | 10.29 | 11.85 | 12.85 | 14.35 | 15.35 | 17.35 | 19.12 | 21.42 | 22.92 | 25.42 | ||||
| k 1 | Minimum | 5.96 | 6.8 | 7.8 | 8.5 | 9.6 | 10.3 | 11.7 | 12.8 | 14.4 | 15.5 | 17.2 | |||
| r | Minimum | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1 | |||
| s | Max = nominal | twenty two | twenty four | 27 | 30 | 32 | 36 | 41 | 46 | 50 | 55 | 60 | |||
| Minimum | Class A | 21.67 | 23.67 | 26.67 | 29.67 | 31.61 | 35.38 | - | - | - | - | - | |||
| Class B | - | 23.16 | 26.16 | 29.16 | 31 | 35 | 40 | 45 | 49 | 53.8 | 58.8 | ||||
| Thread length b | - | - | - | - | - | - | - | - | - | - | - | ||||

