Lock Washer

Safety Nut

Advantages of the patented Bob-Lock Safety Nut

• Maximum safety at the securing of bolted joints


• Prevents reliably the loosening by dynamic load


• The setting in the bolted joint has no negative effect to the safety


• The bolt head is secured without any further measure


• Useable for stud bolts


• No damage of the surface


• Free spinning washers useable


• Original torque values from the bolt manufacturers are valid without restriction


• Easy assembling and disassembling


• Locking function is independent from the clamp force


• Possible loss of the specific locking parts has no influence to the function as a nut


• Re-useable


• Lubrication and greasing of the thread is possible


• Same temperature range as the bolt


• Stainless steel safety nut possible


• Use of standard bolts


• Use of standard wrenches


• Cover cap in signal colour available