Hex high-tension boltF10T Steel Unplated 12X50 Pitch 1.75
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Product Details
- Hex high-tension bolt F10T
- Nominal diameter (d): M12
- Length under head (ℓ): 50.0
- Body diameter (d1): Nominal 12, Tolerance +0.7,-0.2
- Head height (H): Nominal 8, Tolerance ±0.8
- Hex width across flats (B): Nominal 22, Tolerance 0,-0.8
- Head surface diameter (D): Reference 20
- Head bearing surface diameter (D1): Min 20
- Neck fillet (r): 0.8~1.6
- End chamfer (K): Approx. 2
- Screw hole eccentricity (a-b): Max 0.7
- Head bearing surface step height (h): 0.4~0.8
- Thread length (S): Nominal 25, Tolerance +5,0
- Note) 1. The measurement position of d1 is ℓ 0≒d 1/4.
- 2. The incomplete thread length x is approximately 2 threads, and for full thread is approximately 3 threads.
- Nominal diameter (d): M12
- External thread outer diameter: 12
- Height (H): Nominal 12, Tolerance ±0.35
- Hex width across flats (B): Nominal 22, Tolerance 0,-0.8
- Upper surface diameter (D): Approx. 20
- Bearing surface diameter (D1): Min 20
- Screw hole eccentricity (a-b): Max 0.7
- Bearing surface step height (h): 0.4~0.8
- Note) The chamfer of the thread section on the nut bearing surface side shall have a diameter of 1.0~1.05d.
- Washer nominal diameter: 12
- Inner diameter (dw): Nominal 13, Tolerance +0.7,0
- Outer diameter (Dw): Nominal 26, Tolerance 0,-0.8
- Thickness (t): Nominal 3.2, Tolerance ±0.4
- Chamfer (c or r): Approx. 1.5
- Note) The drawings show both 45° chamfered and rounded (r) versions, and either one is used.
Hex high-tension boltF10T Steel Unplated 12X50 Pitch 1.75
| Steel | Unplated | 12X50 | View Details |
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