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http://www.engineersedge.com/tap_drill_chart.htm
Of Course that info conflicts with the chart in Machinery's handbook. For a 12 x 1.5 thread, the Z drill would be acceptable. My apologies ROB! |
Originally Posted by banzaitoyota' date='Jan 27 2005, 10:14 AM
I CALL SHENANIGANS ON THREAD ABUSE!!!!!!!!! Unless you like it loose and sloppy!
Standard Drill size for M12 Nominal size and thread diameter is 10.20mm (.4015")(recommended) and 10.40mm[.4094] (Alternate) Z bit diameter 0.4130" https://www.nopistons.com/forums/pub...1047683561.gif https://www.nopistons.com/forums/pub..._DIR#>/dry.png
Originally Posted by banzaitoyota' date='Jan 27 2005, 11:36 AM
http://www.engineersedge.com/tap_drill_chart.htm
Of Course that info conflicts with the chart in Machinery's handbook. For a 12 x 1.5 thread, the Z drill would be acceptable. My apologies ROB! the Snap On metric tap and die set will give you the drill bit of Z to be used, which I did, and I then tapped it with a 12x1.5 tap, its been on my car for years now I was going off real world expierence, not internet mumbo jumbo. https://www.nopistons.com/forums/pub...DIR#>/wink.png |
I hardly call MACHINERY's HANDBOOK Mumbo-Jumbo!
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I would not call my Snap On tap and die set incorrect either
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so either should work fine then?
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yes, for what you are doing
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