Irwin Tools 9312 Hex Machine Screw Die, 4-40 NC Thread Size

The Irwin Tools 9312 Hex Machine Screw Die, made of high carbon steel, has 4-40 NC thread size. Ideal for maintenance and repair work, the tool is recommended for use with hexagon die stock. It can be used with a wrench or socket when space is limited. The overall length is 1 inch.