4 pack of M12 x 40mm High Tensile Steel Bolt, Nut (nyloc), and Washer sets to fix your castors to your equipment. Nyloc Nuts contain a nylon insert that grips onto the bolt and prevents the nut from loosening due to the vibration that occurs when the castor wheel is moving. The pack contains:
- (Qty 4) M12 x 40mm Threaded Bolts Grade 8.8 Hex Set finished in Bright Zinc Plate (BZP).
- (Qty 4) M12 Nylon Insert (Nyloc) Nuts (14mm Height) with BZP finish.
- (Qty 4) M12 Washers (24mm outside diameter, 13mm inside diameter, 2.7mm thick) with BZP finish.