#10 External Internal Combination Tooth Lock Washer 18-8 Stainless Steel BHT8P This 5/16-18 x 4 1/2

This 5/16-18 x 4 1/2 Hex Cap Screw is made of durable 18-8 stainless steel

The hexagonal head allows for easy installation with a standard wrench or socket

while the 6' thread length ensures a secure grip

while the 3-inch length provides ample grip for most applications

#10 External Internal Combination Tooth Lock Washer 18-8 Stainless Steel BHT8P This 5/16-18 x 4 1/2#10 External Internal Combination Tooth Lock Washer 18 8 Stainless Steel This #10 External Internal Combination Tooth Lock Washer is made of 18 8 stainless steel, which provides excellent corrosion resistance. It has a combination of external and internal teeth that bite into the mating surfaces to prevent loosening due to vibration or shock. This lock washer is ideal for use in a variety of applications, including automotive, marine, and industrial.