Other Tap Thread Grinder Models:

 GT77 MT16



A completely new machine that offers versatility, accuracy, and rapid setup at a competitive price.
The latest mechanical and electronic technology including extra precision needle bearing ways; variable speed grinding spindle,
32 bit CNC, digital brushless servo motors and drives, and double nut preloaded ball screws.
Well suited for all types of thread grinding work and can grind nearly any thread form.
Precision tap grinding including thread milling cutters, step taps, interrupted thread taps, cold forming taps and tapered pipe taps.
Fast size changeovers and easy loading affords considerable advantages for both single piece and mass production


Maximum Grinding Diameter:
3" (75 mm).

Swing Over Table: 4-1/2" (115 mm).

Maximum Grinding Length: 8" (200 mm).

Maximum Overall Length: 18" (450 mm).

Lead Angle: 0°- 15° Right or left hand.

Accuracy - Pitch diameter: Within .0003" (0.007 mm).

Accuracy - Lead: Within .0003" per inch (0.007 mm per 25 mm).

Grinding Wheel: 400 mm (16") O.D. x 160 mm I.D. x 10 mm to 32 mm (3/8" to 1-1/4") wide.

Optional Setup for: 19" O.D. x 10" I.,D. x 3/8" to 1-1/4" wide grinding wheels. Resin or Vitrified bond.

Grinding Wheel Speed: 4,500 - 12,000 S.F.M. (23 - 60 m/s) variable.

Diamond Dressing Disc: 90 mm (3-1/2") O.D. x 52 mm (2-3/64") I.D. x 6 mm thick. Optional setup for:
3-1/2" (90 mm) O.D. x 1-1/4" (31.75 mm) I.D. x .25" (6 mm) thick. Direct Plated or PCD type.

Diamond Form Roll: 2.500" (63.5 mm) basic root diameter, 1-1/4" (31.75 mm) I.D., reverse plated type.

Optional setup for: 90 mm (3-1/2") O.D. x 52 mm I.D. x up to 32 mm wide, Reverse plated type.

Diamond Speed: 3,000 R.P.M. maximum.


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