The Hillman Group 43020 Hi Collar Split Lock Washer, 3/8-Inch, 60-Pack

Product Description This split lock washer provides a circular bearing surface with offset split ends which help bite into the mating material to provide a locking feature when tightened beneath a nut. It is round with a hole in the center and can be used where loosening from corrosion or vibration is a concern. Lock washers are commonly used in any application using a bolt where two pieces are being drawn together. From the Manufacturer This split lock washer provides a circular bearing surface with offset split ends which help bite into the mating material to provide a locking feature when tightened beneath a nut. It is round with a hole in the center and can be used where loosening from corrosion or vibration is a concern. Lock washers are commonly used in any application using a bolt where two pieces are being drawn together.

• Hi-collar split lock washers 3/8 inch size; 60 piece pack for reliable fastener security in general and specialized assembly applications
• Split lock washer design with offset split ends bites into the mating material; provides a more uniform load distribution and resists loosening from vibration
• Manufactured with black phosphate finish for corrosion resistance; suitable for use with socket cap screws in high-stress environments
• Ideal for securing wood or softer substrates; commonly used with nuts, bolts, and screws to prevent fastener pull-through during vibration or heavy load
• Engineered by Hillman for high-performance fastening; part of a complete hardware solution for professional and DIY projects