Screws more than 1" long are threaded 2/3 of the shank length

43/64 x 6 Reduced Shank Drill Bit (1/2 Shank)

• Thread Dimensions: ASME B1

3/4-10 x 3 1/2 Hex Tap Bolt 18-8 (A2) Stainless Steel

3/4 x 3 1/2 Cotter Pin Plain Steel 18" Aircraft Bits - Fractional Screws more than 1" long3 4 x 3 1 2 Cotter Pin Plain Steel . These cotter pins consist of a double bodied pin formed from half round wire, a loop at one end of which provides a head. The finished part has one end of the wire extending beyond the other end, with a chiseled point. Cotter pins are used to anchor various assemblies by insertion into a drilled hole of a shaft or pin and spreading the points to hold the assembly in position. When used with castle or slotted nuts,