Double spiral hole pipe
Optional grade:
Classification:
Key words:
Tungsten steel
Hard alloy grade
Zhuzhou hard alloy
Alloy strip
Lianxin Metal
Hard alloy
Double spiral hole pipe
INQUIRY 文件下載
Model: D× 2d × TK × L× Bo(L denotes length, Aoand Borespectively represent the helix angle 30oand 40o)
| Outer diameter | Tolerance | Aperture | Tolerance | Hole spacing | Tolerance | Pitch | Tolerance | Length | Tolerance | Angle tolerance | Hole deviation |
| D | Tol | d | Tol | TK | Tol | P | Tol | L | Tol | Tol | a |
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | Ao/Bo | mm |
| 6.3 | 0～ 0.3 | 0.7 | ±0.10 | 2.6 | -0.40 | 32.65 | -3.0～ 3.0 | 330 | 0～ 5.0 | ±0.5o | 0.15 |
| 8.3 | 0～ 0.3 | 1.0 | ±0.15 | 4.0 | -0.40 | 43.53 | -4.5～ 4.5 | 330 | 0～ 5.0 | ±0.5o | 0.15 |
| 10.3 | 0～ 0.3 | 1.4 | ±0.15 | 4.8 | -0.60 | 54.41 | -4.5～ 4.5 | 330 | 0～ 5.0 | ±0.5o | 0.20 |
| 12.3 | 0～ 0.4 | 1.4 | ±0.20 | 6.25 | -0.80 | 65.30 | -7.0～ 7.0 | 330 | 0～ 5.0 | ±0.5o | 0.30 |
| 14.3 | 0～ 0.4 | 1.75 | ±0.20 | 7.1 | -1.0 | 76.18 | -7.0～ 7.0 | 330 | 0～ 5.0 | ±0.5o | 0.37 |
| 16.3 | 0～ 0.4 | 1.75 | ±0.20 | 8.3 | -1.0 | 87.06 | -7.0～ 7.0 | 330 | 0～ 5.0 | ±0.5o | 0.40 |
| 18.3 | 0～ 0.5 | 2.0 | ±0.25 | 9.55 | -1.0 | 97.95 | -7.5～ 7.5 | 330 | 0～ 5.0 | ±0.5o | 0.50 |
| 20.3 | 0～ 0.5 | 2.0 | ±0.25 | 10.40 | -1.0 | 108.83 | -7.5～ 7.5 | 330 | 0～ 5.0 | ±0.5o | 0.50 |
Can be customized according to customer requirements of other specifications of the blank.
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