Vintage Baystate Abrasives Serial #05315 (2) Grinding Stone/abrasives 5/8-11 Thr
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Vintage Baystate Abrasives Serial #05315 (2) Grinding Stone/abrasives 5/8-11 Thr:
I chose "New Other" as , although these never used but brand new were new probably 8 years ago and just sat in a warehouse on a shelf for years ! The "Shape" # is 13626535 ; this code must explain the angle of the stone ... I measured with a combination protractor and got somewhere close to 30 degree's . These were primarily used mounted on electric or air handgrinders to smooth out castings as a roughing tool before using fine stones to get the castings smoothed for the primer coating and finished painting operations ! The boxes they came in are long gone ! The maximum RPM is 7260 and these stone/wheels are mounted to the grinder using the 5/8-11 thread insert in these wheels ... The size/dimensions of the wheels are : 5 x 2 x 5/8 . Packaged securely and ready to ship once your PayPal account clears ! Thank you very much for noticing these items and Happy New Year !!!