141 set npt hs dies

(NPSM) National Pipe Straight Mechanical - Use (NPT) Dies and Rotate Threader Guide Post 180º

(BSPP) British Standard Pipe Parallel - Use (BSPT) Dies and Rotate Threader Guide Post 180º

Durable replacement pipe dies

Designed for use with Model 141 series gear pipe threaders

Sturdy high-speed RH