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Toe_cutter
Posted on Sunday, March 04, 2007 - 07:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

a little off topic but I'm going crazy...

I'm assembling a stand and according it's sheet I need four M8x24 bolts.

I must have 1000 bolts, none which are this size, I go to the hardware store and poke around no M8x24, plenty of x1 and x30 and x1.25 but no x24.

I've looked at a couple of bolt web pages, no one mentions a M8x24 in their charts.

Anyone know what this mystery size is and even better where would I find it?

TIA
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Woody1911a1
Posted on Sunday, March 04, 2007 - 07:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

8 mm bolt 24 mm long, just about an inch ?
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Saintly
Posted on Sunday, March 04, 2007 - 08:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I gotta agree with Woody on this.

Metric bolts are designated by diameter and thread pitch ie. (10mm x 1.5)

I'm aware of 8mm x 1.25 (fine), 8mm x 1.5 (med), and 8mm x 1.75 (coarse)

But, 8 x 24 can only mean 8mm diameter x 24mm long, which is just about exactly an inch long.

(Message edited by saintly on March 04, 2007)
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Mr_grumpy
Posted on Monday, March 05, 2007 - 05:21 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

And just about 5/16" thick, so if it's not a threaded hole use a 5/16 x 1"

Alternatively buy your M8x30 bolts thread a nut on first then cut 6mm off the end & tidy the ends up with a grinding wheel.

or even use the 30mm bolts with an extra nut threaded on first.

I have the opposite problem here, it's tough finding imperial/US spec fastenings sometimes.
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Mtch
Posted on Monday, March 05, 2007 - 07:11 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

standard thread pitch on 8mm is 1.25mm. there are fine and coarse pitch variations (not used that much tho)

8 x 24 means 8mm diameter, and 24mm long (i hope)
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