Your complete website for Metric Tools!


 The H.D. Chasen Company has been supplying 

Metric Tooling to Industrial Companies

for over 75 years.







Screw Pitch Gages

Combination Wrenches

Allen Wrenches L / T Style

Hex Bit Inserts

Hex Bit Sockets

Thread Repair Files

Machine Reamers

Eye Bolts

Ratchet Box Wrenches

Taps / Tap Holders

Dies / Die Holders





Looking for Fractional Taps & Dies?







What's New @ H.D. Chasen Tool Group!

Ask about our new Mondopad!!!

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


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

Call us @ 617.666.9090

Monday - Friday: 7am - 5pm EST

617.512.0256 Anytime!






Need help/info on tools and techniques to simplify your job?

Contact us today!

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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.