M24 Metric Thread Dimensions and Pitch
Below are the key dimensions for M24 metric threads: pitch, tap drill and clearance drill according to ISO 724:2023.
M24 Coarse (standard) |
|---|
| M24 Pitch: 3mm |
| M24 Tap Drill: 21mm |
| M24 Clearance Drill: 26mm |
M24 Metric Thread
Discover our M24 Metric Thread Page, your comprehensive reference for swift assessments on M24 metric threads. We've compiled an extensive collection of data for all common metric threads you'll use in your parts, outlining crucial measurements like thread pitch, tap drill, and clearance drill. It's an all-in-one solution for engineers, machinists, and hobbyists seeking dependable, precise information.
M24 Coarse Pitch Dimensions
| Nominal Size | d=D | p | r | d2=D2 | d3 | D1 | h3 | H1 | Tap Drill |
|---|---|---|---|---|---|---|---|---|---|
| M24 | 24 | 3 | 0.433 | 22.051 | 20.319 | 20.752 | 1.84 | 1.624 | 21 |
M24 Fine Pitch Dimensions
All dimensions stated in are mm (millimetre)
ISO Metric Thread profile
Major Diameter
The Major Diameter is the largest diameter on the thread and is measured from the thread crest to crest (peak of the thread).
Pitch
This is the distance (mm) from one thread to the next, this can be measured from tip to tip or groove to groove. Pitch can also be defined as TPI, which stands for threads per inch.
Minor Diameter
Minor Diameter is the smallest diameter on the thread and is measured from the thread root to root (Bottom of the thread).
Thread Angle
The angle between the thread faces. 60 degrees in the example above.
Right-Hand Thread
The thread will assemble when rotated clockwise. "righty tighty lefty loosely"
Left-Hand Thread
The thread will assemble when rotated counter-clockwise.
Frequently asked questions
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