 Any tips for extending a thead tap? |
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| patssle |
 Feb 13 2016, 02:09 PM
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#1
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Senior Member  Group: Members Posts: 981 Joined: 28-August 09 From: Houston, TX Member No.: 10,741 Region Association: None  |
I need to thread tap my bumpers (M12 1.5) to clean out the rust. Is there a socket or extension that works with these? I did the rear bumper with a 8mm socket but it's slipping on the front bumper not being a perfect fit and as the rust is a little tougher.
If very much possible without spending $40 on a socket set that I'll never use again! Thanks! |
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| Darren C |
Feb 13 2016, 02:18 PM
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#2
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Member Group: Members Posts: 392 Joined: 26-December 14 From: Chichester UK Member No.: 18,255 Region Association: England |
You need a basic collet tap wrench like this...
http://www.ebay.com/itm/T-Handle-Tap-Wrenc...bGHrGjRsggj3NWA Should be able to get one from any good tool store. If not at worst you could use a small adjustable spanner wrench. |
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| Wyvern |
Feb 13 2016, 02:25 PM
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#3
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Member Group: Members Posts: 324 Joined: 7-October 15 From: San Francisco (East Bay) Member No.: 19,245 Region Association: Northern California |
I have had really good luck just going to the hardware store and buying a long(er) grade 8 bolt and cutting 2 grooves in it using a cut off grinder or even a hacksaw, and using as a cleaner / chaser .
Good lube, and screw in then back out (clean if needed) the repeat. |
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| zipedadoo |
Feb 13 2016, 02:30 PM
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#4
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Member Group: Members Posts: 135 Joined: 23-January 14 From: Arizona Member No.: 16,921 Region Association: None |
What I usually do is find a nut that's a little smaller than the square drive of the tap, hammer it on and use a 1/4 drive ratchet/socket to turn it. A little crude but it works.
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| TheCabinetmaker |
Feb 13 2016, 04:19 PM
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#5
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I drive my car everyday Group: Members Posts: 8,335 Joined: 8-May 03 From: Tulsa, Ok. Member No.: 666 |
You'll do better with a thread chase, not a tap. A tap will cut the threads a little larger making a loose fitting bolt.
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| patssle |
Feb 14 2016, 07:10 PM
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#6
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Senior Member Group: Members Posts: 981 Joined: 28-August 09 From: Houston, TX Member No.: 10,741 Region Association: None |
QUOTE(zipedadoo @ Feb 13 2016, 12:30 PM)  What I usually do is find a nut that's a little smaller than the square drive of the tap, hammer it on and use a 1/4 drive ratchet/socket to turn it. A little crude but it works. This worked! I actually used the same style nut that goes on the clutch pulley. It fit perfect. QUOTE You need a basic collet tap wrench like this... http://www.ebay.com/itm/T-Handle-Tap-Wrenc...bGHrGjRsggj3NWA Unfortunately you need an extension to get into the late model bumper threads. |
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