1/2" Combination Internal/External Tooth Lock Washer - Steel - Zinc - Pkg of 100 BHA08

This versatile 1/2in Combination Internal/External Tooth Lock Washer is a game-changer for any project. With its dual benefits, it locks into bolt heads or nuts to prevent backoff rotation, ideal for smaller head screws like fillister heads. The external teeth secure bolt heads or nuts, increasing the bearing area and providing greater hardness, allowing for easy rotation without distorting the bearing surface. Perfect for applications in construction, automotive, and industrial settings, this lock washer ensures a secure and reliable hold, reducing the risk of loosening and failure. Its compact size and durable design make it a must-have for any professional or DIY enthusiast.

Top product features:

• Combination internal/external tooth lock washers provide dual benefits by locking into bolt heads or nuts to prevent backoff rotation and securing bolt heads or nuts to increase the bearing area.
• The internal teeth lock into bolt heads or nuts to prevent backoff rotation, working best with smaller head screws such as fillister heads.
• The external teeth secure bolt heads or nuts to offer greater hardness, allowing the nut or bolt to be rotated without distortion of the bearing surface.

Top product applications:

• Bolt and nut assemblies where a high degree of torque is required
• Small head screws such as fillister heads
• Applications where the nut or bolt may be subjected to vibration or shock