TDR/SRD DRILL GRINDERS SUPPLIED BY JOHNSON'S TOOLING

Simply the best.

The TDR/SRD family of drill grinders is exclusively U.S. designed and manufactured. Each offers a combination of speed, convenience, precision and versatility unmatched by machines many times their price. The "Cone Grinding Method" allows radial relief on all tools. The TDR's proprietary, self-dressing wheels operate dry, yet protect tools from burning. Web thinning is standard and requires no special attachments.

TDR/SRD grinders are simple to learn, simple to use, and simple to maintain. It's why we say they're simply the best.

Sharpens drills in less than 60 seconds.
Adjusts automatically between drill sizes.
Simple to learn - simple to operate.
Increases productivity.

TDR 82-B
Sharpens drills from 1/16" to 1-1/2" with TDR ease, convenience and versatility. Two chucks serve the full drill range. Converts easily for taps, reamers, parabolic drills, and end mills. Radial relief will achieve primary and secondary relief in a single setting on most endmills. Options include:

Parabolic Drills to 3/4"
Point splitting to 3/4"
Taps #10 to 1" chamfer only
Reamers 1/8", chamfer only
Endmills 3/16" to 1", face only
Attachment for left hand drills
Diamond wheels for carbides

TDR/SRD 80-S
Ultra-precise grinder for sharpening 0.010" to 0.125" drills and pivot drills from 0.020" to 0.125". Radial relief on all drill sizes. Drill sensor, unique to TDR/SRD, detects contact between the wheel and drill to save time and minimize breakage. 40x1 optic magnifier and precision self centering chuck simplifies operations, maximizes performance. Options include:

Borozon wheels
Diamond wheels
Left hand attachment
Optics with reticle, 40 and 100 power