

NBK Japan F3 set Bolt Set for FCL / FCLS
UPC: 0
Brand : NBK Made in Japan
Type : Bolt set for FCL/FCLS
Quantity : One bolt
NBK F3 Bolt Set for FCL/FCLS Couplings
✔️ Genuine Japan-Made Fastener Kit for 14x64 Shafts
This NBK F3 Bolt Set is specifically designed for FCL and FCLS flexible couplings, ensuring secure, vibration-resistant fastening. Made in Japan by NBK, it includes bolts, washers, and bushings - all built to exact standards for reliable performance.
✅ Pack size: 1 complete bolt set
✅ For coupling type: FCL / FCLS
✅ Manufacturer: NBK (Nabeya Bi-tech Kaisha)
✅ Country of origin: Japan
✅ Compatible shaft size: 14mm x 64mm
✅ Includes: Bolts, washers, and bushes
✅ Engineered for precise fit and high clamping force
Dimensional Specifications:
Shaft Size | Bolt (d) | a1 | a | f | g | m | l | Washer (w) | Washer (t) | Bush (p) | Bush (q) | Torque (N·m) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
14 x 64 | M12 | 16 | 14 | 17 | 5 | 21 | 64 | 25 | 3 | 31 | 18 | 39 |
💡 What is an F3 bolt set used for in flexible couplings?
An F3 bolt set ensures precise and secure fastening of coupling hubs to shafts, with high torque resistance.
Used in:
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Power transmission systems
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Precision servo and stepper motor drives
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Rotating equipment in automation
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Vibration-sensitive couplings
Built for torque, balance, and tight fits - install this bolt set and keep your coupling locked in under pressure!