Parallelism: 40_in per inch.
Squareness: 60_in/per inch.
Made of alloy steel
Hardness HRC56-58.
3M 65491, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH5220TRI-10T, 5 IN x UH, 220, 7100202880, 10 per pack
Standard Abrasives 726004, A/O C4 Straight Precision Cartridge Roll, 1 in x 2-1/2 in x 1/4 in 80, 7100098780
Standard Abrasives 712768, A/O Tapered Cone Point, C-30 80, 7100119537, 100 per case
Standard Abrasives 726026, A/O C1 Straight Precision Cartridge Roll, 1/2 in x 2-1/2 in x 1/4 in 120, 7010310692
3M 65491, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH5220TRI-10T, 5 IN x UH, 220, 7100202880, 10 per pack
Standard Abrasives 726004, A/O C4 Straight Precision Cartridge Roll, 1 in x 2-1/2 in x 1/4 in 80, 7100098780
Standard Abrasives 712768, A/O Tapered Cone Point, C-30 80, 7100119537, 100 per case
Standard Abrasives 726026, A/O C1 Straight Precision Cartridge Roll, 1/2 in x 2-1/2 in x 1/4 in 120, 7010310692
Parallelism: 40_in per inch.
Squareness: 60_in/per inch.
Made of alloy steel
Hardness HRC56-58.
