Machining method shaping (planing).
Ra: 32, 63, 125, 250, 500, 1000, 2000, 4000_in. Rz: 154, 268, 488, 1009, 1950, 3998, 7603, 14440_in. Quantity 8pcs.
For checking, identifying and specifying the roughness by symbol.
Rust-proof, made of pure Nickel.

3M 64254, Scotch Extreme Fasteners RF6731, 1 in x 3 in (25,4 mm x 76,2 mm), 2Sets of Strips, Black, 7100055877
3M 54110, Scotch-Brite Roloc AL Surface Conditioning Disc TR, 1-1/2 in x NH A VFN, 7100075534, 200 per case
3M 01875, Charge-Collection Solar Tape 3011, 2 mm x 1200 m, 7010312686
3M 88190, Scotch Filament Tape 8981, Clear, 18 mm x 55 m, 6.6 mil, 48 rolls per case, 7000123467
3M 77255 SCOTCH-BRITE DURABLE FLEX BELT, 3/8 IN X 13 IN, A FIN, 7010410433
3M 64464 Scotch-Brite Durable Flex Belt, 1/4 in x 18 in, A FIN, 7100033217
3M 54135, Scotch-Brite Roloc AL Surface Conditioning Disc TR, 2 in x NH A VFN, 7100075708, 200 per case
3M 27551, EMI Copper Foil Shielding Tape 1181, 1/2 in x 18 yd (12.70 mm x 16.5m), 7000132182
3M 12954, Scotch-Brite Roloc Surface Conditioning Disc, TR, 4 in x NH A CRS, 12954, 7100007009, 100 per case 