Threaded inserts versus T-Nuts

tiroth · 9th December 2004, 04:43 PM

Any opinions on the use of threaded inserts versus T-nuts for driver mounting? I'm mainly concerned with strength; I've worked with both but have no way to evaluate their relative suitability.

To be more specific, my substrate is MDF and the thickness is 2.25". Fasteners are 10-32.

BTW, I discovered Boltdepot.com today. They have good prices on sometimes hard-to-find items such as black oxide cap head screws and short (1/4") philips machine screws.

AndrewJ · 9th December 2004, 04:51 PM

I would vote for inserts. I can't begin to recall how many times t-nuts have pushed out when I have been screwing in the drivers, and it always seems to be on the last screw.....

Andrew

tiroth · 9th December 2004, 04:55 PM

I've started dabbing them with Liquid nails before I pound them in.

tiroth · 9th December 2004, 06:31 PM

Here is one post I found. It doesn't really answer the question, but there is at least some opinion that the holding power is equivilent.

http://www.bt3central.com/forum/topi...&TOPIC_ID=4763

The Rockler/PE style barbed inserts are recommended for weak substrates like MDF/pine/particle board.

Zaph · 9th December 2004, 07:42 PM

Quote:

Originally posted by tiroth
Any opinions on the use of threaded inserts versus T-nuts for driver mounting?

Over both of those, I prefer Parts Express Hurricane nuts. They are strong and they don't back out like some other T-nut styles.

Keld · 9th December 2004, 08:13 PM

And yet another solution:
http://www.diyaudio.com/forums/showt...7122#post97122

Illusus · 9th December 2004, 08:55 PM

personally, I prefer T-nuts. I've used inserts a lot and they tend to be a pain to drive in cleanly, especially in mdf. Other T-nut type fasteners, like the 'hurricane' type mentioned above, are even better.

tiroth · 10th December 2004, 01:20 AM

Thanks for the input everyone.

9th December 2004, 04:43 PM	#1
tiroth diyAudio Member Join Date: Dec 2001 Location: Pittsburgh, PA, USA	Threaded inserts versus T-Nuts Any opinions on the use of threaded inserts versus T-nuts for driver mounting? I'm mainly concerned with strength; I've worked with both but have no way to evaluate their relative suitability. To be more specific, my substrate is MDF and the thickness is 2.25". Fasteners are 10-32. BTW, I discovered Boltdepot.com today. They have good prices on sometimes hard-to-find items such as black oxide cap head screws and short (1/4") philips machine screws.

9th December 2004, 08:55 PM	#7
Illusus diyAudio Member Join Date: Sep 2002 Location: Prairie Wasteland, Canada	personally, I prefer T-nuts. I've used inserts a lot and they tend to be a pain to drive in cleanly, especially in mdf. Other T-nut type fasteners, like the 'hurricane' type mentioned above, are even better. __________________ Fighting the program since 1976.

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9th December 2004, 04:51 PM	#2
AndrewJ diyAudio Member Join Date: Sep 2001	I would vote for inserts. I can't begin to recall how many times t-nuts have pushed out when I have been screwing in the drivers, and it always seems to be on the last screw..... Andrew

9th December 2004, 04:55 PM	#3
tiroth diyAudio Member Join Date: Dec 2001 Location: Pittsburgh, PA, USA	I've started dabbing them with Liquid nails before I pound them in.

9th December 2004, 06:31 PM	#4
tiroth diyAudio Member Join Date: Dec 2001 Location: Pittsburgh, PA, USA	Here is one post I found. It doesn't really answer the question, but there is at least some opinion that the holding power is equivilent. http://www.bt3central.com/forum/topi...&TOPIC_ID=4763 The Rockler/PE style barbed inserts are recommended for weak substrates like MDF/pine/particle board.

9th December 2004, 08:13 PM	#6
Keld diyAudio Member Join Date: Jan 2002 Location: Borås, Sweden, Tellus	And yet another solution: http://www.diyaudio.com/forums/showt...7122#post97122

10th December 2004, 01:20 AM	#8
tiroth diyAudio Member Join Date: Dec 2001 Location: Pittsburgh, PA, USA	Thanks for the input everyone.

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