Dormer E5501/4 – 1/4" BSPT Rc HSS Straight Flute Hand Tap 7247-200 HQ Chipbreaker: Finishing geometry provides

HQ Chipbreaker: Finishing geometry provides stable chip evacuation and reduced cutting force for precise finishing

Part no: 3230-50A

Heavy-Duty Reliability – Engineered for consistent performance in demanding operations

this toolholder provides excellent rigidity and resistance to vibration

Capable of cutting new external threads where precision and sealing integrity are not critical

Dormer E5501/4 – 1/4" BSPT Rc HSS Straight Flute Hand Tap 7247-200 HQ Chipbreaker: Finishing geometry providesThe Dormer E5501 4 is a straight flute hand tap designed for British Standard Pipe Taper threading, suitable for producing Rc 1 4" x 19 TPI internal threads. It features chamfer form C with a 23xP plug lead, making it suitable for 1. 5xD through or blind hole threading. Manufactured from high speed steel with a bright finish, this tap provides reliable performance in free machining steel, copper, and copper alloys. It is made to ISO 2284 dimensions