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#1 (permalink) | |||||
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Contributing Member
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Drilling metal
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#2 (permalink) |
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Registered User
Join Date: Apr 2004
Location: NV
Posts: 2,583
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Use a center punch.
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95 4Runner, 3VZE , 141k, 4WD, Auto. (Head gaskets replaced at 106k) |
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#3 (permalink) |
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Registered User
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start with a split point drill bit or something 1/8 or under as a pilot hole.
for thick steels your gonna need to step the holes up for best results. (1/2" hole should go something like center punch, 1/4-3/8-1/2)
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94 EX cab, 5speed, V6, locked, ARB bar, NWOR headers 92 4runner, auto, V6, OME suspension, Downey headers |
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#4 (permalink) | |
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Contributing Member
Join Date: May 2002
Location: Los Angeles
Posts: 10,092
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Quote:
and are you using that drilling oil stuff? the name escapes me right now. keeps the drill bit cool too
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#5 (permalink) | |
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Contributing Member
Join Date: Dec 2003
Location: Between a rock and a hard place, AZ
Posts: 3,713
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Quote:
What he said, athough I can't remember the name off hand either...
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CJ ...<>< 03 DC TRD Tacoma 4wd with a bunch of junk. SOLD 1964 Chevy Biscayne, 230 I6, lowered, satin black, old-school legit. Just wheel the stupid thing!!! But do it responsibly, ok? My band: Road Worn Saints |
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#6 (permalink) |
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Registered User
Join Date: Apr 2004
Location: San Diego CA
Posts: 2,971
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The oil stuff is called cutting oil, right? That stuff definitely helps. Keep both hands on the drill and brace your arms against your ribcage, that kinda helps me keep things lined up.
I usually star larger holes with my trust 1/8" bit. I find step drill bits to be great for metal too. |
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#7 (permalink) |
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Registered User
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Center punch is the way to go, split points are nice also. Cutting oil/tapping fluid keeps bits from getting dull. We also use "Tap Wax", it is a cutting wax that melts as the bit gets hot. Less mess, as the wax doesn't fling around like oil will, and the wax stays on the bit. Like death runner said "Step drill" bits make really good tools for doing large holes up to 3/4 inch with out having to change bits.
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Brad Work is for those who don't know how to plunder!! 92x-cab dlx 4x4 22RE, Pacesetter header, everything else is so stock it's not funny, cause I don't have the money! 04 F150 FX4 SuperCrew |
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| Tags |
| cutting, drill, drilling, drills, fluid, fluids, hole, holes, large, metal, oil, pictures, put, tap, wax |
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