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Round adjustable die, silver metal, 2-1/2 inch diameter

Drill America

Drill America DWTSMR212-39X1 M39x1 2-1/2" OD HSS Round Adjustable Die

SKU CH-3ZK8-PQN39

A high-speed steel adjustable round die cuts M39x1 threads with chamfered faces for shoulder work

  • High Speed Steel construction extends wear life for repeated threading
  • Adjustable fine-pitch screw lets you set precise thread fit
  • Chamfered both faces with 2-3 thread lead for easy starting
  • 1-1.5 thread chamfer on reverse side threads close to shoulders
  • Complies with California Proposition 65 chemical disclosure requirements

M39x1 HSS Round Adjustable Die

This Drill America die cuts M39x1 external threads with high-speed steel construction for extended wear life. The 2-1/2" OD round die is chamfered on both faces to suit different starting conditions. Adjustment uses a fine-pitch screw that spreads or closes the die halves. It is supplied new and carries California Proposition 65 warnings for cancer and reproductive harm.

Installation and common issues

The die fits standard 2-1/2" OD die stocks or machine holders; the beveled slot lets you remove the adjusting screw for holder-based adjustment. Chamfer choice matters — use the 2 to 3 thread side for general threading and the 1 to 1-1/2 thread side when cutting close to a shoulder. Mis-chamfer selection often causes poor thread starts or shoulder interference.

Who this suits and who should look elsewhere

Machinists and maintenance technicians cutting M39x1 threads in steel or similar materials will benefit from the adjustable HSS design. Buyers needing different thread pitches, diameters, or left-hand threads cannot use this die. It is not suited for internal threading, pipe threads, or materials requiring carbide tooling.

Highlights

  • High Speed Steel construction extends wear life for repeated threading
  • Adjustable fine-pitch screw lets you set precise thread fit
  • Chamfered both faces with 2-3 thread lead for easy starting
  • 1-1.5 thread chamfer on reverse side threads close to shoulders
  • Complies with California Proposition 65 chemical disclosure requirements

Specifications

BrandDRILL AMERICA

Questions about this item

How do I verify the M39x1 die is cutting threads correctly after installation?

Check that the 2 to 3 thread chamfer engages smoothly and the fine-pitch adjustment screw moves the die sides evenly during threading.

What comes with the DWTSMR212-39X1 and what must I supply?

The HSS round adjustable die is supplied; you must provide a compatible die holder or machine holder with adjusting screws.

Which version of this die should I select for M39x1 threads?

The DWTSMR212-39X1 is the single model for M39x1 with 2-1/2 inch outside diameter and high-speed steel construction.

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