Screws - Metric vs. Inches
Metric versus Imperial equivalent screw dimensions.
Sponsored Links
Metric screws and their approximately imperial equivalents:
| Metric | Imperial | ||
|---|---|---|---|
| Diameter (mm) | Length (mm) | Nominal Size no. | Length (in) |
| 3 | 12 | 4 | 1/2 |
| 3 | 20 | 4 | 3/4 |
| 3 | 25 | 4 | 1 |
| 3.5 | 12 | 6 | 1/2 |
| 3.5 | 16 | 6 | 5/8 |
| 3.5 | 20 | 6 | 3/4 |
| 3.5 | 25 | 6 | 1 |
| 3.5 | 30 | 6 | 1 1/4 |
| 4 | 20 | 8 | 3/4 |
| 4 | 25 | 8 | 1 |
| 4 | 30 | 8 | 1 1/4 |
| 4 | 40 | 8 | 1 1/2 |
| 4 | 45 | 8 | 1 3/4 |
| 4 | 50 | 8 | 2 |
| 4 | 60 | 8 | 2 1/2 |
| 4 | 70 | 8 | 2 3/4 |
| 5 | 30 | 10 | 1 1/4 |
| 5 | 40 | 10 | 1 1/2 |
| 5 | 50 | 10 | 2 |
| 5 | 60 | 10 | 2 1/2 |
| 5 | 70 | 10 | 2 3/4 |
| 5 | 80 | 10 | 3 |
| 5 | 90 | 10 | 3 1/2 |
| 5 | 100 | 10 | 4 |
| 6 | 50 | 12 | 2 |
| 6 | 60 | 12 | 2 1/2 |
| 6 | 70 | 12 | 2 3/4 |
| 6 | 80 | 12 | 3 |
| 6 | 90 | 12 | 3 1/2 |
| 6 | 100 | 12 | 4 |
Example from the table: M4 x 60 equals approximately to #8 x 2 1/2
Sponsored Links
Related Topics
-
Fasteners
Bolts, nuts and threaded rods - torque, tension and loads.
Related Documents
-
Drill Bits - Conversion Chart
Convert between drill bit dimensions - gauge numbers, inches and mm. -
ISO 7 - Pipe Threads where Pressure-tight Joints are made on the Threads
Pressure-tight joints made on the pipe threads. -
Metric Bolt Heads and Wrench Sizes
ANSI/SO, DIN and JIS bolts. -
Metric Threads - Clearance Holes and Tapping Drill Sizes
Recommended clearance holes and drill tap sizes. -
UNC and UNF - Unified Inch Screw Threads
ANSI/ASME B1.1 Unified National Thread - UNC Coarse series and UNF Fine series. -
US and Metric Fasteners - Thread Sizes
Printable fastener chart. -
US Bolts - Head and Wrench Sizes
Hex Bolt, Lag Bolt, Square Bolt and Heavy Hex Bolt. -
US Hex Bolts - Inches
ANSI/ASME B18.2.1 Dimensions of Hex Bolts - Imperial units. -
US Hex Bolts - Metric
ANSI/ASME B18.2.3M Dimensions of Hex Bolts - Metric units. -
US Machine Screws - Dimensions
Machine screw diameters. -
US Wood Screws - Nominal Sizes
Wood screws - nominal sizes vs. diameters. -
US Wood Screws - Pilot Holes
Hard wood and soft wood pilot holes, shank clearance holes and countersink diameters.
