Drill America DWTSR1-1280 1/2"-80x1" OD HSS Round Adjustable Die
High-speed steel round adjustable die cuts 1/2"-80 threads with chamfered faces for shoulder work and fine-pitch adjustment for precise fit
- High-speed steel construction extends wear life during threading operations
- Adjustable fine-pitch screw allows precise thread fit control
- Dual chamfer design supports both standard and shoulder-close threading
- Round die geometry fits standard machine holders for secure use
- California Proposition 65 warning applies for cancer and reproductive harm risks
Threading Die for Precision Work
The Drill America DWTSR1-1280 is a high-speed steel round adjustable die built for cutting 1/2"-80 threads with a one-inch outside diameter. It serves machinists and maintenance technicians who need reliable thread creation or repair on hardened materials. The HSS construction delivers extended wear life compared with carbon-steel alternatives. Chamfers on both faces support general threading and work close to shoulders.
Sustained Wear Resistance in Production
Under continuous cutting the high-speed steel body maintains its edge longer than standard dies, reducing the frequency of tool changes during batch work. The fine-pitch adjustment screw lets the operator open or close the die gradually, compensating for wear without removing the tool from the holder. Beveled slots allow machine-holder screws to take over adjustment when the die is mounted in automated equipment.
Upgrade from Fixed Carbon-Steel Dies
This adjustable HSS die replaces fixed-size carbon-steel rounds when thread dimensions must be trimmed to tolerance or when longer service intervals are required. The jump is worth it for shops that cut 1/2"-80 threads repeatedly and need consistent pitch diameter control. It is not suited for buyers who need larger diameters, different thread pitches, or non-round die geometries.
How it compares
Measured against everything we stock in Garden Hoses & Pipe Tubing, at today’s prices. Recalculated every night.
- Price $17.99
- Cheaper than about 57% of the 973 comparable items (median $21.99).
Specifications
| Product | |
|---|---|
| Brand name | DRILL AMERICA |
Questions about this item
How much power does the die draw when cutting threads all day?
It is a hand-operated cutting tool with no motor, so it draws no electrical power during use.
What holder or handle must I already own to turn this 1" OD die?
A standard 1" round die stock or a machine holder with adjusting screws that accepts the bevelled slot.
Will this 1/2"-80 die work on older taps I already have?
Yes, it cuts standard 1/2"-80 threads, so it matches existing taps of the same size and pitch.
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