Standard Abrasives 42647, A/O Flap Wheel 623405, 2 in x 1 in x 1/4-20 in 60, 7010369114, 10 per case 
3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956 
Insize 4820-328, PITCH GAGE, 4-62TPI, 6928640319259
$15.53
Check the pitch of screw thread.
Accuracy: ?.0028″.
Quantity of leaves: 28
Made of medium carbon steel
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