[TR] recommendations for using an insert
dave1massey at cs.com
Thu Dec 3 14:21:17 MST 2020
A drill guide as you describe is a good idea. I always use a guide like that whenever I use a tap. If you get a tap started crooked you will never get it straightened out. I like to use a solid block of aluminum but I have also used square tubing. Same principal applies when hand drilling.
Drilling a pilot hole is easier to get it centered. Once the pilot hole is there the other drill bits will self-center.
From: Sujit Roy <triumphstag at gmail.com>
To: Triumphs <triumphs at autox.team.net>
Sent: Thu, Dec 3, 2020 12:39 pm
Subject: [TR] recommendations for using an insert
What is the best way to drill a perpendicular hole for an insert?I'm using a 7/16-20 time sert. I need to drill a perpendicular hole in the captive nut. The dril I need to use is 29/64. Should I start with drilling smaller diameter holes and then end up with the 29/26? Im thinking of drilling a perpendicular hole in a piece of wood in my drill press and then using that as a guide.Any recommendations please. The last time I used an insert, the hole wasn't perpendicular.
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