UNC to Metric / UNF to Metric

UNC to metric fasteners conversion data for industrial bolts und machine screws. Metric screws and inch screws are very similar, but they are different thread types and basic units. The screw types are not compatible and cannot be interchanged. In the following conversion chart we would like to show you which inch screws and which metric screws can be compared with each other.

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UNC to metric Converstion Chart

Inch Equivalent UNC	Coarse Metric Size x Pitch
1 - 64	M2 x 0.40
3 - 48	M2.5 x 0.45
4 - 40	M3 x 0.50
6 - 32	M3.5 x 0.60
8 - 32	M4 x 0.70
10 - 24	M5 x 0.80
1/4 - 20	M6 x 1.00
5/16 - 18	M8 x 1.25
3/8 - 16	M10 x 1.50
7/16 - 14	M12 x 1.75
1/2 - 13	M14 x 2.00
9/16 - 12	M16 - 2.00
5/8 - 11	M20 x 2.50
3/4 - 10	M22 x 2.50
7/8 - 9	M24 x 3.00
1 - 8	M27 x 3.00
1 - 1/8 - 7	M30 x 3.50
1 - 1/4 - 7	M36 x 4.00
1 - 3/8 - 6	M42 x 4.50
1 - 1/2 - 6	M48 x 5.00

* All information without guarantee.

UNF to metric Converstion Chart

Inch Equivalent UNF	Fine Metric Size x Pitch
1/4 - 20	M6 x 0.75
5/16 - 24	M8 x 1.00
3/8 - 16	M10 x 1.25
7/16 - 14	M12 x 1.50
1/2 - 13	M14 x 1.50
9/16 - 12	M16 x 1.50
5/8 - 11	M20 x 1.50
3/4 - 10	M22 x 1.50
7/8 - 9	M24 x 2.00
1 - 8	M27 x 2.00
1 - 1/8 - 7	M30 x 2.00
1 - 1/4 - 7	M36 x 2.00
1 - 3/8 - 6	M42 x 2.00
1 - 1/2 - 6	M48 x 2.00

* All information without guarantee.

werbung links2