Inch

Metric

1/4"-20

5/16"-18

5/16"-20

3/8"-16

7/16"-14

1/2"-8

1/2"-9

1/2"-10

1/2"-13

9/16"-6

9/16"-12

5/8"-7

5/8"-11

5/8"-12

3/4"-4 1/2

3/4"-6

3/4"-7

3/4"-10

7/8"-4

7/8"-7

M5

M6

M8

M10

M14

M16

M20

M22

1"

8 mm

10 mm

12 mm

14 mm

1 1/4"

1 5/16"

1 3/8"

1 1/2"

1 3/4"

2"

2 1/16"

2 5/16"

2 1/2"

2 3/4"

2 13/16"

3"

3 1/16"

3 1/2"

3 9/16"

3 5/8"

3 13/16"

4"

4 5/16"

4 9/16"

5 1/16"

5 5/16"

6"

8 1/2"

Aluminum

Fiberglass

Iron

Plastic

Rubber

Stainless Steel

Steel

Wood

Bar

C

Corner

Hold Down

Plier

Push/Pull

Swivel

Height Gauge/Tool Post Attachment with Dovetail Swivel Clamp

Hold-Down Clamp

Side Clamp

Swivel Clamp

2 1/2"

1"

1 1/8"

1 1/4"

Aluminum

Fiberglass

Iron

Stainless Steel

Steel

1"

1 1/8"

1 1/4"

Compliant

Compliant with Exemptions

Not Compliant

Compliant

Not Compliant

EAR99

Knob

T-Handle

Wing Nut

Exempt

Lever

Plunger

1 9/16"

2 3/8"

8"

8 1/2"

9"

9 3/8"

12"