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TThreadsize Information
It can be smart to measure your old spikes before
you buy. Here are some thread specifications:
M6 --> 6mm outher
diameter --> 10 threads per cm
M8 --> 8 mm outher
diameter --> 8 threads per cm
M10 (NOT SUPPORTED) --> 10 mm outher
diameter --> 6.67 threads per cm
M12 (NOT SUPPORTED) --> 12 mm outher
diameter --> 5.7 threads per cm
1/4" --> 1/4 inch = app. 6.35 mm outher diameter --> 20 threads per inch = app. 7.8
threads per cm.
5/16" --> 5/16 inch = app. 7.94 mm outher diameter --> 18 threads per inch = app. 7.05
threads per cm.
3/8" (NOT SUPPORTED) --> 3/8 inch = app. 9.3
mm outher diameter --> 16 threads per inch =
app. 6.45 threads per cm.
7/16" (NOT SUPPORTED) --> 7/16 inch = app.
10.1 mm outher diameter --> 14 threads per inch
= app. 5.65 threads per cm.
1/2" (NOT SUPPORTED) --> 1/2 inch = app.
12.4 mm outher diameter --> 12 threads per inch
= app. 4.85 threads per cm.
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