Description
- (NPSM) National Pipe Straight Mechanical – Use (NPT) Dies and Rotate Threader Guide Post 180å¼
- (BSPP) British Standard Pipe Parallel – Use (BSPT) Dies and Rotate Threader Guide Post 180å¼
- Durable replacement pipe dies
- Designed for use with Model 141 series gear pipe threaders
- Sturdy high-speed RH
