Dynabrade 97570 1/2" NPT Female Safety Coupler 
Standard Abrasives 710870, Cartridge Roll Mandrel, 1/8 in x 1/2 in x 1/4 in x 1-1/4 in x 2-1/4 in CM-7, 7000121794 
Insize ISHW-L20B, WEBSTER HARDNESS TESTER, 6928640325441
$4,298.14
Application for aluminum alloy small tube. Hardness range 0 ~ 20HW. Min. reading 1HW.
Accuracy ?0.5HW (at 5 ~ 17HW).
To measure the hardness of soft metal such as aluminum alloy, copper, brass, soft steel, etc.
According to ASTM B647-84 (2000).
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