Inch

Metric

5/64" to 1/2"

1/8" to 1/4"

1/8" to 5/16"

1/8" to 1/2"

5/32" to 1/4"

5/32" to 3/8"

5/32" to 1/2"

1/4" to 5/16"

6 mm

8 mm

Lever

Plunger

1"

8 mm

10 mm

12 mm

14 mm

Clamp On

Magnetic

Vacuum

Weighted Base

Fixed

Flexible

Jointed

Adjustable Dovetail Swivel Attachment

Ball-and-Socket Swiveling Dovetail Attachment

C-Clamp with Holding Rod

C-Clamp with Post

Combination Stem/Dovetail Attachment

Double-Jointed Dovetail Attachment

Dovetail Attachment

Height Gauge/Tool Post Attachment

Height Gauge/Tool Post Attachment with Dovetail Swivel Clamp

Height Gauge/Tool Post Attachment with Jointed Arm

Starrett Last Word Ball-and-Socket Swivel Attachment

Swivel Clamp

Upright Post

1 7/8"

3"

3 3/8"

3 1/2"

4"

4 1/8"

4 1/4"

4 1/2"

5 13/16"

6"

6 5/16"

6 1/2"

6 9/16"

7"

7 1/4"

7 5/16"

7 3/8"

8 11/16"

11"

11 1/8"

12"

12 1/2"

13"

13 1/2"

14"

15"

15 1/4"

20"

0" to 0.03"

0" to 1"

0 mm to 25 mm

Mitutoyo

Starrett

0.00005"

0.0005"

0.001"

0.001 mm

0.01 mm

Plastic

Stainless Steel

Steel

1"

1 3/16"

1 1/2"

1 9/16"

1 5/8"

1 7/8"

1 57/64"

1 15/16"

2"

2 11/32"

2.362"

2 3/8"

2 1/2"

2.559"

2 5/8"

2.874"

2.953"

3"

3 1/2"

4 3/8"

4 5/8"

4 3/4"

5 3/4"

6"

8"

9"

12"

18"

Adjustable

Flat

V-Grooved

0.236"

0.25"

0.393"

0.464"

0.469"

0.47"

0.472"

0.495"

0.563"

0.625"

0.63"

0.705"

8-32

1/4"-20

5/16"-18

5/16"-24

3/8"-16

1/2"-13

M5

M6

M8

M10

M12

33 lbf

38 lbf

44 lbf

45 lbf

50 lbf

65 lbf

70 lbf

71 lbf

75 lbf

80 lbf

85 lbf

90 lbf

120 lbf

125 lbf

132 lbf

135 lbf

176 lbf

180 lbf

220 lbf

290 lbf

292 lbf

337 lbf

EAR99

Exempt

Compliant

Not Compliant

1"

1 1/8"

1 5/32"

1 3/16"

1 1/4"

1 3/8"

1 5/8"

1 13/16"

1 7/8"

1 15/16"

1.97"

2"

2 1/4"

2 3/8"

2 1/2"

3 1/2"

6"

9"

12"

18"

Compliant

Not Compliant

1"

1 1/16"

1.063"

1 1/8"

1 3/16"

1 3/8"

1 1/2"

1 3/4"

1 7/8"

1 29/32"

1 15/16"

2"

2 1/16"

2 1/8"

2 5/32"

2.165"

2 3/16"

2 1/4"

2 5/8"

2 7/8"

2 15/16"

3"

4"

4.687"