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Premium Member
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10,603 Posts
Yes, but I bet you'd break a lot less drills using one that big. :smile:
You'd also have a lot less bolt after drilling... :surprise:
The lack of bolt left after drilling is the issue.
" A little knowledge can be dangerous " is something I heard often while serving as an apprentice. I still apply the same thoughts. It helps explain my grumpiness about newbies telling the more experienced what to do. And the online writers, who get orders from the boss, to write an article about body position, or ABS brakes and so on.
Some here may recall the video describing the dangers of bike wobble. In a straight line. All bunk IMO.

UK
 

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Premium Member
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10,603 Posts
Yeah, a brake caliper bolt with a 1/8" hole all the way through. Hmmmm
What could go wrong .... :surprise:
We drilled the pointy edge area, not thru the middle. And smaller than 1/16. Lock wyre is 1/32 or less from memory. Jim Dunn from WA had a cool tool that twisted the wyre. Common now but rare then. He taped 6 inch pieces of wool to the fairing. Took photos of it at speed. Old style wind tunnel.

UK
 

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Ace Tuner
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4,348 Posts
We drilled the pointy edge area, not thru the middle. And smaller than 1/16. Lock wyre is 1/32 or less from memory. Jim Dunn from WA had a cool tool that twisted the wyre. Common now but rare then. He taped 6 inch pieces of wool to the fairing. Took photos of it at speed. Old style wind tunnel.

UK
Pointy edge: Yep

1/16": Yep

1/8": Nope. Would have to go thru the middle.

Safety Wire Pliers: Yep

Wind tunnel: Nope

LOL
 

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Ace Tuner
Joined
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4,348 Posts
We drilled the pointy edge area, not thru the middle. And smaller than 1/16. Lock wyre is 1/32 or less from memory. Jim Dunn from WA had a cool tool that twisted the wyre. Common now but rare then. He taped 6 inch pieces of wool to the fairing. Took photos of it at speed. Old style wind tunnel.

UK
Smaller that 1/16" ? :surprise:
I broke 1/16" drills from time too time. Some bolts had to be replaced because replacement was faster than trying to remove the broke drill.
With practice we broke less.
At the time I never saw a "jig" made for drilling bolts and nuts... I wonder if the jig would've worked better?
 

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17,854 Posts
Drill 1/16" across the wide part of a 1/4-20 grade 8 bolt cap? I could do it, but not in the field and not with the bolt in situ on the bike, that's fer damm sure. Man, y'all have some steady hands and some serious skills!

(Thinking about this.) A jig would work, I think. More of a drill guide, as it were.
 
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