Cuttermasters Drill Grinding Attachment CM-06 Good for Making Chisel Point Tips up to 7/8" Hand Tools Vickers Hardness Test Blocks –

Vickers Hardness Test Blocks – All Scales

Can also be used as a fixture on a milling table

who developed a suitable device to measure hardness in the 1920s

Mill Size Travel Overall Length of Scale 2028-1001 SINS-1001 8'' x 36'' 12'' x 30'' 17'' x 35'' 2028-1002 SINS-1002 9'' x 42'' 14'' x 30 '' 19'' x 35'' 2028-1003 SINS-1003 9'' x 49'' 14'' x 36'' 19'' x 40'' 2028-1004 SINS-1004 10'' x 54'' 16'' x 40'' 21'' x 45''

All pairs are precision ground and matched

Cuttermasters Drill Grinding Attachment CM-06 Good for Making Chisel Point Tips up to 7/8" Hand Tools Vickers Hardness Test Blocks –CM 06 Drill Grinding Attachment Sharpens drills from 3 to 22mm (1 8 to 7 8) Easily adjustable point angle Thru hole in chuck allows for any drill length Set up and sharpen in less than two minutes Using the CM 06 Drill Attachment on the Toycen Journeyman Tool Grinder