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Propeller 1
Screw Hole Size
kt88seamp
Posts:
112
2010-05-06 18:51
edited 2010-05-06 20:16
in
Propeller 1
What size hole should I drill to accommodate an M3 screw? IS it a 1/8th inch?
Comments
hover1
Posts:
1,929
2010-05-06 19:01
edited 2010-05-06 19:01
I have always found this chart usefull:
http://en.wikipedia.org/wiki/Drill_and_tap_size_chart
Jim
kt88seamp said...
What size hole should I drill to accommodate an M3 screw? IS it a 1/8th inch?
kt88seamp
Posts:
112
2010-05-06 19:05
edited 2010-05-06 19:05
What is the diameter of an M3 though?
Leon
Posts:
7,620
2010-05-06 19:12
edited 2010-05-06 19:12
3 mm!
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Leon Heller
Amateur radio callsign: G1HSM
ElectricAye
Posts:
4,561
2010-05-06 20:12
edited 2010-05-06 20:12
kt88seamp said...
What size hole should I drill to accommodate an M3 screw? IS it a 1/8th inch?
M3 is in metric units, not inches.
www.brook-tech.fsnet.co.uk/Clearance%20Holes%20+%20Tolerance.pdf
TonyWaite
Posts:
219
2010-05-06 20:16
edited 2010-05-06 20:16
Hi,
I specify 3.2mm as the clearance hole for M3, which is good for most assemblies: it makes for sensible
alignment of the parts without being too fiddly nor too sloppy.
Regards,
T o n y
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kt88seamp
Posts: 112
Comments
http://en.wikipedia.org/wiki/Drill_and_tap_size_chart
Jim
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Leon Heller
Amateur radio callsign: G1HSM
M3 is in metric units, not inches.
www.brook-tech.fsnet.co.uk/Clearance%20Holes%20+%20Tolerance.pdf
I specify 3.2mm as the clearance hole for M3, which is good for most assemblies: it makes for sensible
alignment of the parts without being too fiddly nor too sloppy.
Regards,
T o n y