METRIC COARSE THREAD SIZES in mm
| Tap Size | Drill size |
| M2 x 0.4 | 1.6 |
| M2.5 x 0.45 | 2.05 |
| M3 x 0.5 | 2.5 |
| M3.5 x 0.6 | 2.9 |
What size drill do you use for tap?
58 rows · diameter of hole. See equation: M6 - (1.2990 X 75) = (6 - .9743) = 5.0257mm To figure whether or ...
What is the actual size of the M6 bolt?
39 rows · Tap Size. Drill Size. M1.6 x 0.35. 1.25mm. M2 x 0.4. 1/16. M2.5 x 0.45. 2.05mm. M3 x 0.5 #40. ...
What size is a standard M6 screw?
Tap Metric Drill Bit US Drill M1.6 x 0.35 1.25mm M1.8 x 0.35 1.45mm M2 x 0.4 1.60mm ...
What size hole to drill for M6 bolt?
Tap (Thread) Size Drill Size(mm) M4 x 0.35: 3.60: M4 x 0.5: 3.50: M5 x 0.5: 4.50: M6 x .5: 5.50: M6 x .75: 5.25: M7 x .75: 6.25: M8 x .5: 7.00: M8 x .75: 7.25: M8 x 1: 7.50: M9 x 1: 8.00: M10 x 0.75: 9.25: M10 x 1: 9.0: M10 x 1.25: 8.8: M11 x 1: 10.0: M12 x .75: 11.25: M12 x 1: 11.0: M12 x 1.5: 10.5: M14 x 1: 13.0: M14 x 1.25: 12.8: M14 x 1.5: 12.5: M16 x 1: 15.0: M16 x 1.5: 15.0: M18 x 1: …
How do you tap a M6 thread?
1:583:21How to tap threads using a drill - YouTubeYouTubeStart of suggested clipEnd of suggested clipOnce you've gone in a couple of threads just stick the drill in reverse and just come back out a bitMoreOnce you've gone in a couple of threads just stick the drill in reverse and just come back out a bit. And then put it back in forwards again and then go forwards.
What is the tapping drill size?
Tap-drill diameter equals nominal diameter minus thread pitch. For example, drill size for a 3/8-16 thread is 0.375 0.0625 (pitch) = 0.312 in. in diameter, and for a 10-32 thread, the drill diameter is 0.190 0.032 = 0.159 in. (a #21 drill).
How do I know what size drill bit to use?
Check the Shank Typical drill bits have markings somewhere on the shank above the threads. It's small, but it usually has the drill-bit diameter stamped into the metal; the number is written in fractions. For example, the markings may read: 1/4-inch, 3/6-inch or 25/32.
Why tap drill sizes are calculated?
In both ISO and UN thread series, having a range of useful drill sizes allows designers and machinists to tailor effective thread depth for long holes, various materials and thread strength requirements. It also allows for the combining of inch and metric taps and drills where convenient to do so.