left hand drill bits
Senior User
Joined: Nov 2000
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left hand drill bits
I have used a lot of left handed drill bits. Sharpen them like right handed ones except the cut is different direction. Mainly left handed bits are used to remove right hand threaded bots. Not much different just counter punch a hole and then drill with it.
Senior User
Joined: Apr 2000
Posts: 359
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From: Northern Virginia
left hand drill bits
Where would one buy these drill bits? Normal hardware stores (e.g., Home Depot, Lowes) would not carry these would they? Or does one have to order them on-line?
TIA
Raul
w/ 81 F-100, I6, SROD, Carter 1V non-feedback carb, no A/C, no PS, no PB, but it gets me where I need to go
TIA
Raul
w/ 81 F-100, I6, SROD, Carter 1V non-feedback carb, no A/C, no PS, no PB, but it gets me where I need to go
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Elder User
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From: SF Bay area
left hand drill bits
Just goes to show you learn something new all the time....
Wayne 60 F-350
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Postmaster
Joined: Nov 2000
Posts: 2,557
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From: Texas
left hand drill bits
Just so somebody doesn't think your talking about these bits like they are left handed crescent wrenches, or skyhooks, I thought I'd help to clarify the obvious.
"Left handed" referes to the fluting of a drill bit opposite those commonly found at the hardware store. They are note used strictly by those lefties. They are note for drilling left sided holes or holes through the left side.
Reversed drill bits are for drilling through rusted/stuck fasteners in the hopes that if you cut fast enough and hard enough, your bit will bite into the fastener and unscrew it during the drilling process. These are also refered easy-outs but are not true easy-outs.
I find these bits work very well on smaller fasteners rather than large bolts. If a bolt (say a 3/8 shank) or larger is stuck, the chances of a reverse bit getting it out before drilling all the way through are very slim.
IMHO.....Krosati
"Left handed" referes to the fluting of a drill bit opposite those commonly found at the hardware store. They are note used strictly by those lefties. They are note for drilling left sided holes or holes through the left side.
Reversed drill bits are for drilling through rusted/stuck fasteners in the hopes that if you cut fast enough and hard enough, your bit will bite into the fastener and unscrew it during the drilling process. These are also refered easy-outs but are not true easy-outs.
I find these bits work very well on smaller fasteners rather than large bolts. If a bolt (say a 3/8 shank) or larger is stuck, the chances of a reverse bit getting it out before drilling all the way through are very slim.
IMHO.....Krosati
Post Fiend
Joined: Jan 2000
Posts: 5,860
Likes: 4
From: Metro Detroit (Redford)
left hand drill bits
Well my Sears drill is so old that it has a metal case and only runs in one direction. Guess I can't use it with left handed drills. But what a drill. Gotta be at least 40 years old, but that thing just won't quit.
Senior User
Joined: Apr 2000
Posts: 359
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From: Northern Virginia
left hand drill bits
You mean there was a time when reversible drills did not exist? That's gotta be old.
Raul
w/ 81 F-100, I6, SROD, Carter 1V non-feedback carb, no A/C, no PS, no PB, but it gets me where I need to go
Raul
w/ 81 F-100, I6, SROD, Carter 1V non-feedback carb, no A/C, no PS, no PB, but it gets me where I need to go
Logistics Pro
Joined: Nov 2004
Posts: 4,562
Likes: 2
From: Southern MD
You had to knock the cobwebs off of that thread!!!!!
I too, had never heard of left-hand drill bits, until I stumbled onto this.
(Hmmmmmmmmmmmmmmm. . . ya know, it is April Fools Day!)
