Inch

Metric

2-56

4-40

6-32

8-32

10-24

10-32

12-24

1/4"-20

5/16"-18

3/8"-16

3/8"-24

1/2"-13

1/2"-20

5/8"-11

3/4"-10

1"-8

M2

M2.5

M3

M3.5

M4

M5

M6

M6.3

M8

M10

No. 0

No. 2

No. 4

No. 6

No. 8

No. 10

No. 12

M2

M2.5

M3

M3.5

M4

M5

M6

M8

M10

M12

M14

Machine Screws

Tapping Screws

Black Oxide

Corrosion-Resistant Coated

Galvanized

Nickel Plated

Phosphate Coated

Zinc Plated

Zinc Yellow-Chromate Plated

0.2"

0.203"

0.218"

0.23"

0.234"

0.25"

0.265"

0.27"

0.296"

0.3"

0.31"

0.312"

0.328"

0.344"

0.359"

0.36"

0.375"

0.406"

0.453"

0.468"

0.5"

0.514"

0.515"

0.52"

0.562"

0.563"

0.6"

0.625"

0.687"

1"

1 1/8"

1 5/8"

0.8 mm

1 mm

1.25 mm

1.5 mm

1"

1 11/16"

2 1/4"

2 5/16"

2 1/2"

3"

3 1/2"

3 3/4"

3 7/8"

3 15/16"

4"

4 3/4"

5"

5 1/2"

6 1/2"

7 3/4"

1/4"-20 with 0.531" from Hole Center to Edge (50 Pieces)

1/4"-20 with 0.781" from Hole Center to Edge (50 Pieces)

3/8"-16 with 0.75" from Hole Center to Edge (25 Pieces)

3/8"-16 with 1.125" from Hole Center to Edge (25 Pieces)

5/16"-18 with 0.562" from Hole Center to Edge (50 Pieces)

5/16"-18 with 0.843" from Hole Center to Edge (25 Pieces)

10-24 with 0.468" from Hole Center to Edge (50 Pieces)

M6 with 13.5 mm from Hole Center to Edge (50 Pieces)

M6 with 19.5 mm from Hole Center to Edge (50 Pieces)

M6.3 with 13.5 mm from Hole Center to Edge (25 Pieces)

M8 with 14.5 mm from Hole Center to Edge (25 Pieces)

M8 with 20 mm from Hole Center to Edge (25 Pieces)

M10 with 19 mm from Hole Center to Edge (25 Pieces)

Yes

No

EAR99