SPECIFICATIONS Caterpillar Hex Head Self-Locking Nuts (6K3632) 6K-3632 Nut Width - 3": 1 1/2 Hole Thread Pitch: 8 Hardened: Yes Thread: Standard coarse thread Nut Height - 2": 0.86 Thread Size (inches - threads per inch) (inches): 8-Jan Height (inches): 0.86 Connecting square (inch): 1 1/2 Material: STEEL Nut type: Self-locking hex nuts Material Description: SAE Grade 8 Equivalent Coating: Galvanized zinc (salt spray 96 h) Weight(lbs): 0.3 Length(cm): 4.3 Width(cm): 4.3 Depth(cm): 2.2 6K3632