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Old 04-09-05, 03:28 PM   #1
phantomcow2
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water bottle cage bolts

Well this stinks. Im trying to remove the water bottle bolts that came with my frame, all allen head. Usually these things call for a 4mm wrench so i give that a go. Too big, so i figure okay well this is odd perhaps a 3mm. So i put that in and you guessed it...too small. So this leads me only to conclude that the head calls for a 3.5mm. Ive heard of these, so where might i go about finding one? Can somebody direct me?
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Old 04-09-05, 03:29 PM   #2
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Imperial sized spanners are in between metrics
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Old 04-09-05, 03:37 PM   #3
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SAE set - Not metric.
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Old 04-09-05, 03:38 PM   #4
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probably a 10-32 allen head machine screw
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Old 04-09-05, 03:44 PM   #5
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what? So what do i need to buy?
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Old 04-09-05, 03:53 PM   #6
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You need a set of SAE, not metric hex keys. Any hardware will have this.

As information metric hex keys are sized from smallest to larger: 0.71 mm, 0.89 mm, 1.27 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm and then each full mm.

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Old 04-09-05, 04:35 PM   #7
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and this will fit the hexagonal head on this ridiculous bolt?
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Old 04-09-05, 05:20 PM   #8
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Quote:
Originally Posted by phantomcow2
Well this stinks. Im trying to remove the water bottle bolts that came with my frame, all allen head. Usually these things call for a 4mm wrench so i give that a go. Too big, so i figure okay well this is odd perhaps a 3mm. So i put that in and you guessed it...too small. So this leads me only to conclude that the head calls for a 3.5mm. Ive heard of these, so where might i go about finding one? Can somebody direct me?
It's probably a 1/8" size. Any hardware store will be able to supply one.

Bottle cage bolts are normally 5 x .8 mm (a.k.a. "M5") threading. As it happens, this size is semi-interchangeable with the S.A.E. #10-32 size, so it is not uncommon to find S.A.E. bolts used for this application.

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Old 04-09-05, 06:00 PM   #9
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Quote:
Originally Posted by Sheldon Brown
It's probably a 1/8" size. Any hardware store will be able to supply one.

Bottle cage bolts are normally 5 x .8 mm (a.k.a. "M5") threading. As it happens, this size is semi-interchangeable with the S.A.E. #10-32 size, so it is not uncommon to find S.A.E. bolts used for this application.

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Okay so if i go to a hardware store and ask for 1/8" S.A.E. it should work? And what does SAE stand for by the way?
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Old 04-09-05, 06:27 PM   #10
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Okay so if i go to a hardware store and ask for 1/8" S.A.E. it should work? And what does SAE stand for by the way?
Buy a set, not a single I advise. You may need SAE hex keys for other bolts you come across.
Good to have both sets in the toolbox.
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Old 04-09-05, 06:36 PM   #11
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I have a set of metrix hex keys that came with a 3.5.
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Old 04-09-05, 06:49 PM   #12
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alright i ordered a set of SAE kits Jeff_Williams advised. I figure i might as well have them, theres no such thing as too many tools . Hopefully this will work. If not, i will hunt for that 3.5mm. Or better yet maybe my instructor at school will let me bring home the micrometer for a day
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Old 04-09-05, 07:03 PM   #13
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Society of Automotive Engineers
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Old 04-09-05, 07:06 PM   #14
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I have a set of metrix hex keys that came with a 3.5.
Those old Campagnolo Delta brakes required a 3.5mm for adjustments.
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Old 04-09-05, 08:02 PM   #15
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Those old Campagnolo Delta brakes required a 3.5mm for adjustments.
Why bother? It's not like they'd stop you anyway.
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Old 04-09-05, 08:34 PM   #16
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Why bother? It's not like they'd stop you anyway.
Takes me back to my road bike days. The guys that actually wanted to stop used Shimano. I was happy enough to slow down, so Campy was good enough for me.
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Old 04-09-05, 09:26 PM   #17
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Quote:
Originally Posted by phantomcow2
Okay so if i go to a hardware store and ask for 1/8" S.A.E. it should work? And what does SAE stand for by the way?
Just ask for a 1/8" Allen wrench, or a "standard" Allen wrench set.

S.A.E. is the Society of Automotive Engineers, they set a lot of standards for mechanical parts and tools.

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Old 04-09-05, 09:53 PM   #18
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Why bother? It's not like they'd stop you anyway.
LOL
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Old 04-10-05, 01:03 PM   #19
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Quote:
Originally Posted by phantomcow2
alright i ordered a set of SAE kits Jeff_Williams advised. I figure i might as well have them, theres no such thing as too many tools . Hopefully this will work. If not, i will hunt for that 3.5mm. Or better yet maybe my instructor at school will let me bring home the micrometer for a day
They are handy for fixing things like...cars. Shhh!
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Old 04-10-05, 02:22 PM   #20
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Your local Sears should stock all that you need. I have a Craftsman set that includes half sizes in metric. And if you ever need to torque the billy hell out of anything, Sears has a great return policy on Craftsman. And it's a fraction of the price of Snap-On...
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Old 04-10-05, 03:06 PM   #21
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Aww come on, a full SAE set of hex keys in a folding tool is like five bucks at walmart.
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