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 65491, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc DUH5220TRI-10I, 5 inch UH, 220, 7100202878, 10 per pack
Insize 6318, CALIPER/MICROMETER GRINDING MACHINE (caliper grinding blocks are included), 6940561953862
3M 19766, Utility Cloth Sheet 314D, 9 in x 11 in P240 J-weight, 7000000354
3M 26008, PPS Series 2.0 Adapter, Type S7, 3/8 Female, 18 Thread NPS,
4 per case
3M 95725, Venture Tape Metal Building Facing Tape 1552CW, White, 72 mm x 45.7 m, 7010313505
Standard Abrasives 718217, A/O Full Taper Cartridge Roll, 3/8 in x 2 in x 1/8 in 120, 7100102905
Standard Abrasives 717213, A/O Full Taper Cartridge Roll, 1/4 in x 1-1/2 in x 1/8 in 120, 7100080032
3M 33446, Cubitron II File Belt, 80+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033186, 10 belts per carton, 5 cartons per case
3M 40208, Cloth Spiral Band 341D, P120 X-weight, 1 in x 1 in, 7100138144
Dynabrade 95684 1/4" Male Coupler
3M High Performance Flatback Tape 2519, Tan, 100 mm x 55 m, 8 Roll/Case, 7100243539
3M 43797, Hi-Strength 90 Spray Adhesive, Clear, 5 Gallon Drum (Pail), 7100004706
Dynabrade 78584 1/4" Dia. x 1-1/2" W x 1/8" Center Hole, 80 Grit, 100/pack
3M 26583, Accuspray Refill Pack for PPS Series 2.0, Green, 1.3 mm, 7100152953 