What is M20 bolt size?
Dimensions for DIN931 Hex Head Bolt
| Diameter (d) | Pitch | Across Flats (s) |
|---|---|---|
| M16 | 2mm | 24mm |
| M18 | 2.5mm | 27mm |
| M20 | 2.5mm | 30mm |
| M22 | 2.5mm | 32mm |
What does M20 bolt mean?
M10-1.0 x 20 M = This designates the fastener is a metric size. 10 = The nominal diameter in millimeters. 1.0 = The thread pitch, or distance between threads, in millimeters. 20 = The fastener’s length, in millimeters.
What size is a #20 bolt?
1/4″
Bolt Thread Sizes
| Size | Nominal (Major) Diameter [in] | Coarse Thread (UNC) |
|---|---|---|
| Threads Per Inch | ||
| #10 | 0.1900 | 24 |
| 1/4″ | 0.2500 | 20 |
| 5/16″ | 0.3125 | 18 |
What is a 20mm bolt?
Hex bolts have hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts.
Is M20 a 20mm bolt?
M20 (20mm) Thread Size (T) 12.7mm Head Length (H)
What size is M20 in inches?
| Tap size | Basic major dia (mm) | Basic major dia (inch) |
|---|---|---|
| M18 x 1.5 | 18mm | .7087 |
| M20 x 2.5 | 20mm | .7874 |
| M20 x 1.5 | 20mm | .7874 |
| M22 x 2.5 | 22mm | .8661 |
What does M size mean in bolts?
metric thread
The letter ‘M’ indicates that this bolt uses a metric thread. The number ‘8’ refers to the nominal diameter of the bolt shaft in millimeters. The number 1.0 is the thread pitch of the bolt, which is the distance between threads, in millimeters. And the final figure, 20, is the length in millimeters.
What size socket fits a M20 nut?
Resources
| WRENCH OR SOCKET SIZE ACROSS FLATS | HEX NUTS STYLE 1 | HEAVY HEX NUTS |
|---|---|---|
| 30.00 | M20 x 2.5 | |
| 34.00 | M20 x 2.5 | |
| 36.00 | M24 x 3 | M22 x 2.5 |
| 41.00 | M24 x 3 |
What does M12 mean?
M12 is a matching coarse threaded nut. (To avoid confusion, we always include the thread pitch for both coarse and fine metric fasteners.) If you normally work with inch fasteners, pitch can be a little confusing—pitch is the distance between adjacent threads.
What is M20 thread pitch?
2.5
Metric Thread Pitch and Tapping Sizes
| Size | Pitch (mm) | Tapping Diameter (mm) |
|---|---|---|
| M10 | 1.5 | 8.7 |
| M12 | 1.75 | 10.8 |
| M16 | 2.0 | 14.5 |
| M20 | 2.5 | 18.5 |