.311 hole in 4140 that needs heat treating

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.311 hole in 4140 that needs heat treating

Dr Stan Offline

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#7

03-01-2016, 12:30 PM

(03-01-2016, 09:54 AM)Sunset Machine Wrote: Maybe stone the sides (flutes) to get that closer to .311

Put the drill bit in your mill and run it in reverse.

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Messages In This Thread

.311 hole in 4140 that needs heat treating - by Mayhem - 03-01-2016, 07:22 AM

RE: .311 hole in 4140 that needs heat treating - by TomG - 03-01-2016, 07:45 AM

RE: .311 hole in 4140 that needs heat treating - by Mayhem - 03-01-2016, 07:50 AM

RE: .311 hole in 4140 that needs heat treating - by Sunset Machine - 03-01-2016, 09:54 AM

RE: .311 hole in 4140 that needs heat treating - by Dr Stan - 03-01-2016, 12:30 PM

RE: .311 hole in 4140 that needs heat treating - by edward.s - 03-01-2016, 10:18 AM

RE: .311 hole in 4140 that needs heat treating - by TomG - 03-01-2016, 10:27 AM

RE: .311 hole in 4140 that needs heat treating - by Roadracer_Al - 03-01-2016, 09:29 PM

RE: .311 hole in 4140 that needs heat treating - by Mayhem - 03-02-2016, 08:38 AM

RE: .311 hole in 4140 that needs heat treating - by dallen - 03-02-2016, 09:41 AM

RE: .311 hole in 4140 that needs heat treating - by Roadracer_Al - 03-02-2016, 04:31 PM

RE: .311 hole in 4140 that needs heat treating - by PixMan - 03-02-2016, 08:36 PM

RE: .311 hole in 4140 that needs heat treating - by Mayhem - 03-02-2016, 08:49 PM

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