Inch

1/32" to 1/8"

1"

1 3/4"

2"

Buffing Wheels

Cutoff Wheels

Flap Sanding Sleeves

Flap Sanding Wheels

Grinding Bits

Grinding Cones

Grinding Wheels

Rubber-Cushioned Abrasive Grinding Bits

Sanding Discs

Sanding Pads for Internal and Irregular Surfaces

Sanding Sleeves

Spiral-Wound Sanding Rolls

Wheel Brushes

1"

0.197"

1"

1 1/4"

1 1/2"

1 5/8"

Iron

Nickel

Stainless Steel

Steel

Titanium

Wood

Aluminum Bronze

Plastic

Stainless Steel

Steel

1"

1 1/2"

2"

3"

4"

5"

1"

1 3/8"

1 1/2"

1 5/8"

1 11/16"

1 3/4"

1 7/8"

1 15/16"

2"

2 5/16"

2 1/2"

2 5/8"

2 3/4"

3"

3 1/8"

3 1/4"

3 1/2"

4"

4 1/2"

6"

6 1/2"

8"

8 1/2"

10"

12"

36

50

60

80

100

120

180

220

240

320

Threaded

Unthreaded

2-56

3-48

5-40

8-32

1/4"-20

5/8"-11

3,000 rpm

5,000 rpm

6,000 rpm

7,000 rpm

7,600 rpm

8,000 rpm

9,000 rpm

10,000 rpm

11,000 rpm

12,000 rpm

14,000 rpm

15,000 rpm

16,000 rpm

18,000 rpm

19,000 rpm

19,100 rpm

20,000 rpm

22,000 rpm

23,000 rpm

24,000 rpm

25,000 rpm

26,000 rpm

27,000 rpm

28,000 rpm

30,000 rpm

40,000 rpm

Not Rated

1"

1 1/2"

0.813"

0.85"

1"

1 1/16"

1 1/8"

1 1/4"

1 1/2"

1 5/8"

1 3/4"

2 1/8"

2 1/4"

2 1/2"

4 1/4"

4 1/2"

5 5/8"

6 1/4"

7 5/8"

8 1/4"

10 1/4"

3M Roloc

3M TSM

Merit Power-Lock Type I

Norton Speed-Lok TR

Norton Speed-Lok TR+

Norton Speed-Lok TS

Norton TY Power-Lock Type I

Standard Abrasive SocAtt

EAR99

Exempt

Compliant

Not Compliant

Compliant

Not Compliant