Parallelism: 40_in per inch.
Squareness: 60_in/per inch.
Made of alloy steel
Hardness HRC56-58.
3M 06536, Scotch Steel Gray Masking Paper, 06536, 36 in x 1000 ft, 1 per case, 7000045443
Insize 1179-300, DIGITAL RTJ RING GROOVE CALIPER, inside diameter of RTJ ring groove .4-12"/10-300mm, outside diameter of RTJ ring groove 1-12"/25-300mm, 6928640302565
3M 65487, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH560TRI-10T, 5 IN x UH, 60, 7100202913, 10 per pack
3M 06536, Scotch Steel Gray Masking Paper, 06536, 36 in x 1000 ft, 1 per case, 7000045443
Insize 1179-300, DIGITAL RTJ RING GROOVE CALIPER, inside diameter of RTJ ring groove .4-12"/10-300mm, outside diameter of RTJ ring groove 1-12"/25-300mm, 6928640302565
3M 65487, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH560TRI-10T, 5 IN x UH, 60, 7100202913, 10 per pack
Parallelism: 40_in per inch.
Squareness: 60_in/per inch.
Made of alloy steel
Hardness HRC56-58.
