Steel Thread Rolling Screw for Metal, Black Oxide Finish, 82 Degree Flat Head, Phillips Drive, 4-40 Thread Size, 3/8″ Length (Pack of 100)-Fast Shipping

Description

Thread rolling screw recommended for use in metal

Steel is often used in applications where strength is the primary consideration

Black oxide finish offers mild corrosion resistance and lubricity

Flat head has an 82-degree cone-shaped bearing surface for use in countersunk holes and a flat top that fits flush with the mated surface

Phillips drive has an x-shaped slot that accepts a Phillips driver and is designed to prevent over-tightening