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Circular metal threading die with knurled outer edge and central adjustment slot

Drill America

Drill America DWTSR212-11427 1-1/4"-27 HSS Round Adjustable Die

SKU CH-KD7P-NWWQJ

A high-speed steel adjustable round die cuts 1-1/4"-27 threads with chamfered faces for shoulder work

  • High Speed Steel construction extends wear life for repeated threading tasks
  • Adjustable fine-pitch screw allows precise thread fit control
  • Dual chamfer design supports both standard and shoulder-close threading
  • Round die format compatible with standard machine holders
  • California Proposition 65 warning applies — contains listed chemicals

Threading Die for 1-1/4"-27 Threads

This high speed steel round adjustable die cuts 1-1/4"-27 threads on pipe or rod. It is suited for plumbing, automotive and general mechanical repair where that thread form is required. The tool is new and ready for workshop use. The adjustable design lets the operator set the thread fit for the job.

Chamfered Faces and Fine Pitch Adjustment

Both faces are chamfered with a 2 to 3 thread lead on one side and a 1 to 1-1/2 thread lead on the other for threading close to a shoulder. A fine pitch screw opens or closes the die to adjust thread size. The beveled slot allows the adjusting screw to be removed for use in a machine holder where holder screws control the setting.

Replaces Fixed Round Dies for 1-1/4"-27 Work

This die replaces fixed round dies when adjustable thread fit is needed on 1-1/4"-27 material. The jump is worth it when a single die must cover a range of fits or when threading near a shoulder demands the shorter chamfer. It does not suit other thread pitches or diameters.

Highlights

  • High Speed Steel construction extends wear life for repeated threading tasks
  • Adjustable fine-pitch screw allows precise thread fit control
  • Dual chamfer design supports both standard and shoulder-close threading
  • Round die format compatible with standard machine holders
  • California Proposition 65 warning applies — contains listed chemicals

Specifications

BrandDRILL AMERICA

Questions about this item

What thread standard does the 1-1/4"-27 die cut, and what is the practical limit on thread depth?

It cuts a 1-1/4" diameter thread with 27 threads per inch; the adjustable split design lets you set the fit, but the die only forms threads up to its own 2-1/2" outside diameter.

What holder or machine opening does the 2-1/2" outside diameter require?

The die needs a 2-1/2" round die stock or machine chuck; the beveled adjusting slot also allows it to be locked in a holder that uses its own adjusting screws.

How do you adjust the thread fit, and which step is commonly missed?

Turn the fine-pitch adjusting screw to open or close the split die, then remove the screw before placing the die in a machine holder so the holder's screws take over the adjustment.

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