Your Complete Website for Thread Repair & Threaded Stud Removal


The H.D. Chasen Company has been supplying Thread Repair Tooling to Industrial Companies for over 75 years:


Field Machining Service

Wind Farm / Solar Construction

Power Plant Emergency Repair Services

Refinery Repair

Bridge Repair & Construction

Rigging Companies






Thread Repair Kits

Taps / Dies / Sets

Pipe Taps & Dies

Acme Taps / British Taps

Tap & Die Holders


Eye Bolts / Hoist Rings

Thread Repair Files

Power Tools / Tapping Capable

Allen Wrenches

Hex Bit Sockets

Screw Pitch Gages


















We are now able to view your applications via Video Conferencing, to offer immediate solutions!


If you don't see it... Ask for it!


Monday - Friday: 7am - 5pm EST


Call Us | 617.666.9090  or  617.405.0782




Visit the H.D. Chasen Home Page!





Return Policy:
Items returned WITHIN 2 weeks of sale date, in good sellable condition* will be given a merchandise credit. Freight will not be credited.
Items returned AFTER 2 weeks of sale date, in good sellable condition, are subject to a 25% restocking charge. Freight will not be credited.