K-nut 7/16″-20 (6 point)
The hexagonal .4375-20 UNJF-3B k-nut is an elliptical deformed self locking nut typically used in motorsports and aerospace applications.
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- Thread: .4375-20 UNJF-3B
- Axial tensile strength min.: 20600 lbs
- Spanner size: 1/2″
- Weight per 100pcs: 0,59 kg = 1.3 lbs
- Material: DIN 1.7220.3 – 35CrMo4 – AISI 4135/4137
- Hardness: max. 43 HRC
- Class: 1100 MPa tensile strength
- Max temperature: 235 °C = 455 °F
- Surface: cadmium-plated + MoS2 low friction coating
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