Product Introduction
Cup head square neck bolts, also called carriage bolts. It has carbon steel, stainless steel and other materials. It needs to be used with nuts to fasten and connect two through holes.
The neck of Cup head square neck bolts is square to prevent the bolt from turning. At the same time, the head of the Cup head square neck bolts is round and cannot be disassembled with tools. Therefore, it has certain anti-theft function.
The neck of Cup head square neck bolts is square to prevent the bolt from turning. At the same time, the head of the Cup head square neck bolts is round and cannot be disassembled with tools. Therefore, it has certain anti-theft function.
[njwa_button id="3060"]
Product Details
SIZE: M5-M20
MATEAIL: Carbon Steel, Stainless Steel
STANDARD: DIN603
GRADE: 4.8, 8.8, 10.9, 12.9 / A2-70
SURFACE TREATMENT: ZP, HDG, BLACK, Dacromet
CUSTOMIZED SUPPORT: YES
DIN603 Cup Head Square Neck Bolt Specifications
| Screw Thread d | M5 | M6 | M8 | M10 | M12 | M16 | M20 | |
|---|---|---|---|---|---|---|---|---|
| P | Pitch | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 |
| b | L≤125 | 16 | 18 | 22 | 26 | 30 | 38 | 46 |
| 125＜L≤200 | 22 | 24 | 28 | 32 | 36 | 44 | 52 | |
| L＞200 | / | / | 41 | 45 | 49 | 57 | 65 | |
| dk | max | 13.55 | 16.55 | 20.65 | 24.65 | 30.65 | 38.8 | 46.8 |
| min | 12.45 | 15.45 | 19.35 | 23.35 | 29.35 | 37.2 | 45.2 | |
| ds | max | 5 | 6 | 8 | 10 | 12 | 16 | 20 |
| min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 | |
| k1 | max | 4.1 | 4.6 | 5.6 | 6.6 | 8.75 | 12.9 | 15.9 |
| min | 2.9 | 3.4 | 4.4 | 5.4 | 7.25 | 11.1 | 14.1 | |
| k | max | 3.3 | 3.88 | 4.88 | 5.38 | 6.95 | 8.95 | 11.05 |
| min | 2.7 | 3.12 | 4.12 | 4.62 | 6.05 | 8.05 | 9.95 | |
| r1 | ≈ | 10.7 | 12.6 | 16 | 19.2 | 24.1 | 29.3 | 33.9 |
| r2 | max | 0.5 | 0.5 | 0.5 | 0.5 | 1 | 1 | 1 |
| r3 | max | 0.75 | 0.9 | 1.2 | 1.5 | 1.8 | 2.4 | 3 |
| s | max | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 | 20.84 |
| min | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 | |
