Used with standard outside micrometers with spindle .256″DIA to measure pitch diameter of screw threads.
Diameter accuracy: ?20_in. Cylindricity: 39_in.
Cylindricity: 1um. Hardness: HRC60.
Supplied with manufacturer inspection certificate.
Supplied with manufacturer inspection certificate.

3M 22971, Disc Holder Adapter 9, 5/8-11 External M10-1.25 Internal, 7000046094
3M 29840, Sanding Screen, 100 Grit, 17 in x NH, 7100160821
3M 29830, Sanding Screen, 60 Grit, 19 in x NH, 7100160131
Dynabrade 14000 Dynafile Abrasive Belt Tool
3M 29844, Sanding Screen, 120 Grit, 16 in x NH, 7100160823
Dynabrade 51301 .5 hp Straight-Line Die Grinder
3M 83330, Cubitron II Fibre Disc 982CX Pro, 36+, 4 in x 5/8 in, Die 400FF, 7100242928
Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737
3M 22393, Roloc Disc 361F, 36 YF-weight, TR, 3 in, Die R300V, 7000045093
3M 20276, Neoprene Contact Adhesive 10, Light Yellow, 5 Gallon Pour Spout Drum (Pail), 7000121218
3M 22394, Roloc Disc 361F, 50 YF-weight, TR, 3 in, Die R300V, 7000045096
Standard Abrasives 717639, Aluminum Oxide Straight Cartridge Roll, 5/8 in x 2 in x 3/16 in 50, 7100115215
Standard Abrasives 547003, Adapter, 5/8"-11 Male x 3/8"-24 Female, 7010368726
3M 87147, PSA Cloth Disc 777F, 5 x NH, 36 YF-weightt, 7010308524
Dynabrade 64404 36" W x 60" L (914 mm W x 1,524 mm L) Metal Capture Downdraft Table, 230 V (AC), Side Exhaust
3M 22405, Roloc Disc 361F, P100 YF-weight, TR, 3 in, Die R300V, 7000045102
3M 35083, EMI Copper Foil Shielding Tape 1181, 1/4 in x 18 yd (6,35 mm x 16,5 m), 7000132168 
