Shinwa 15-30mm Taper Gauge

Shinwa 15-30mm Taper GaugeThis taper gauge from Shinwa is a very useful tool for making a variety of measurements including size of dados, holes, pipes, gaps etc, between 15 and 30 mm. It can also be used to quickly set up plunge depths on drill presses and routers. When using the gauge to measure gaps between parallel surfaces the reading is read directly from the gauge and when measuring diameter, a correction is applied using the table on the back of the gauge to compensate

Bevels are ground at a 25 degree angle

35 mm (1/4") -1

The bottle has a spray cap which can be used to apply the oil sparingly

5 mm scales

Option of an O1 Tool Steel (O1 TS) blade hardened to RC 62-64 OR a High Speed Steel (HSS) blade hardened to RC 62

49 micron) GlassStone (50403) is a extremely fine grit

A very good value in a precision ruler with graduations in 1/8"

These straight edges are very useful in both machine and wood shops for evaluation of flatness and machine set up

You can also custom make a tapered jaw to hold a particular job you have

so the edges aren't mirror polished

or reversing grain

It has a manganese steel blade that is hardened to HRc 61 and has a shallow radius hook which makes it idea for carving concave recesses in spoon and bowls