Nylon insert locknuts are hex nuts with a nylon-filled collar

1008-1010 for sizes up to 1 inch (cold-formed) and 1045 steel for sizes over 1 inch (hot-formed)

3/4-16 x 3 1/2 Gr

nylon will begin to deteriorate at temperatures of 150°-350°F so they are not recommended for high temperature service

3/32 Heavy Duty Jobber Drill Bit

43/64 x 6 Reduced Shank Drill Bit (1/2 Shank) 3/8-16 Grade 5 Hex Cap Screws Zinc Plated Nylon insert locknuts are hex43 64 x 6 Reduced Shank Drill Bit (1 2 Shank) . Expands the size range capacity of a 1 2 inch portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Precision ground for high degree of concentricity between shank and body diameter. Ideal for drilling in low and medium tensile strength materials.