Date: 18-04-24  Time: 02:09 am
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Author Topic: Renthal drilling and tapping  (Read 1729 times)

WayneUK

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Renthal drilling and tapping
« on: 03 February 2020, 09:33:10 pm »
I've just fitted some renthal 785's and was wondering what drill and tap I will need t be able to fit original bar ends?
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Mustang

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Re: Renthal drilling and tapping
« Reply #1 on: 03 February 2020, 09:40:28 pm »
It’s m16 x 1.5 
« Last Edit: 09 February 2020, 04:25:04 pm by Mustang »
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robbo

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Re: Renthal drilling and tapping
« Reply #2 on: 03 February 2020, 11:09:47 pm »
Yep, M16 at 16 tpi(threads per inch).
« Last Edit: 04 February 2020, 08:40:21 am by robbo »
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WayneUK

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Re: Renthal drilling and tapping
« Reply #3 on: 04 February 2020, 04:54:51 am »
when i took it to a engineer he told he it was a M16 x 1.5 taper tap and a 14.5 mm drill bit?
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robbo

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Re: Renthal drilling and tapping
« Reply #4 on: 04 February 2020, 08:38:24 am »
If you have access to an engineering workshop, I believe the proper way is to predrill the bars before tapping them. My pal on the otherhand just wound the tap into the bar and it worked out fine. I paid for the workshop process to the tune of £35 :eek . My pals bars cost him a pint in the pub. :lol  Pretty sure the 1.5 x the tap size is the same as 16tpi, but stand to be corrected :) .
« Last Edit: 04 February 2020, 08:43:28 am by robbo »
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WayneUK

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Re: Renthal drilling and tapping
« Reply #5 on: 04 February 2020, 02:22:50 pm »
Quote from: robbo on 04 February 2020, 08:38:24 am
If you have access to an engineering workshop, I believe the proper way is to predrill the bars before tapping them. My pal on the otherhand just wound the tap into the bar and it worked out fine. I paid for the workshop process to the tune of £35 :eek . My pals bars cost him a pint in the pub. :lol  Pretty sure the 1.5 x the tap size is the same as 16tpi, but stand to be corrected :) .
so he just tapped them without drilling them first?, has anyone else done it this way?
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WayneUK

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Re: Renthal drilling and tapping
« Reply #6 on: 04 February 2020, 03:06:25 pm »
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74eldiablo

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Re: Renthal drilling and tapping
« Reply #7 on: 04 February 2020, 05:52:45 pm »
Well and truly rinsed for £35...even the receptionist could do that in 5 mins with all the right tackle
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WayneUK

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Re: Renthal drilling and tapping
« Reply #8 on: 04 February 2020, 07:03:48 pm »
yeah watched a video on doing it and it only took 2 mins to do one side
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robbo

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Re: Renthal drilling and tapping
« Reply #9 on: 04 February 2020, 07:07:24 pm »
Quote from: 74eldiablo on 04 February 2020, 05:52:45 pm
Well and truly rinsed for £35...even the receptionist could do that in 5 mins with all the right tackle
I nearly walked out and left him with the bars. Apparently workshop time is £70 an hour, minimum charge half an hour. Should have asked first I suppose, but thought it was a 5 minute job and would be priced accordingly. Lesson learnt, for sure. :'(
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WayneUK

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Re: Renthal drilling and tapping
« Reply #10 on: 05 February 2020, 04:17:44 pm »
Well, Tap came today so had a go at tapping them, and everything went real smoooth, and bar ends fit perfectly  :thumbup
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