Starrett 13F Inch Reading Double Square Complete, With Graduated, Bevel And Drill Grinding Blades, 6" Size Review
Starrett 13F Inch Reading Double Square Complete, With Graduated, Bevel And Drill Grinding Blades, 6" Size Feature
- Graduation: 1/8", 1/16", 1/32", 1/64"
A drill grinding blade is beveled to 59 degree for drill grinding on one end and 41 degree (the cutting angle of countersinks for machine screws) at the other. Both ends have quick-reading 1/64" grads. and the graduation is located to measure perpendicularly to the axis of the drill. By reading the graduations, the center point can be easily and accurately located.
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