This is a bit more detailed than other posts about installing a carpet.
Part of installing a carpet is making the holes in the carpet for seat belt mounts and seat bolts.
I found this easy way of making a nice crisp hole that does not involve using a razor blade cutting too large and seems to work every time I try it. I just installed a new carpet in my 1966 Barracuda and I noted how to do it after another car guy wished he knew how not to get blood on his new carpet with a razor blade making a hole.
I will caution you to wear gloves, safety glasses and be really really mindful where you set the hot tools down after melting a hole. Setting the hot tools on the new carpet or anything flammable can be disastrous.
I use a small torch, a 1/4" pipe nipple from a hardware store, a pair of vice grips and a dental pick that unscrews. A long #8 nail or 1/8" rod will also work as long as one end is sharp. What ever you use make sure it slides easily thru the center of the pipe nipple.
Next step is to feel around with your fingers and find the opening, in this case a welded in nut where the seat belt bolt goes. Once you find it, push thru with the dental pick or nail. If you can try to put it in the center of the opening. Verify there is no wiring or lines under the carpet in this area at this time.
The next part is unscrew the handle off the dental pick and place the 1/4" x 2" nipple in the vice grips as shown. You will be leaving the pick or rod sticking thru the hole- this will act as a guide for the pipe nipple when hot. Then tighten to hold the pipe nipple firm in the vice grips. I always do this OUTSIDE of the car. The end that is extended out ward from the vice grips you heat cherry red with the torch. Again OUTSIDE of the car.
When the tip of the nipple is red hot all the way around the edge slide it over the dental pick until you hit metal floor (in this case) twist a bit and pull the nipple off the dental pick or rod. It may come out with the nipple- that is okay.
Once cool ( approx 1 minute) you have a perfect circle that is melted over with no excessive cutting. Make sure again you set the hot tools on the ground away from the car. I have caught myself multiple times so excited to see the hole I set the hot torch on the new carpet.
Now install what ever it is you needed to install. In my case a new seat belt.
You can change the diameter of the nipple for diffrent sized bolts. 1/8" nipples work for 1/4" holes, 3/8" work well for 1/2"-3/4" holes and etc, etc.
Good luck- Syleng1
Carpet Holes Made Easy
Making a clean hole in a carpet- especially for seat belt bolts and seat mounts. With out a razor blade.
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I've been a "Jesus Chrysler Nut" for over 35 years. I've built and rebuilt quite a few Dodges, Plymouths and Chryslers. I've bought and stripped more than 35 cars in my life time.
"Any one can restore one but it take a real man to cut one up."
I enjoy the hobby and realize not all fun is in the finish product but the journey. The meeting of new people also passionate for the hobby is the best part and I enjoy helping people out where ever I can. The saddest moment and the happiest moment is when a car is finished.
I was a GM Master Tech by the time I was 21 years only and was a Lead Technician with 7 mechanics under me for 10 years at the dealership level. I now own a welding and equipment repair company in SouthEastern, Connecticut for the last 22 years. When I started the equipment business I did it on the side and worked the full time technician job during the day, nights and weekend for the first few years fixing farm and construction equipment.
MoPars have been my goto for fun, relaxation, mental break and family fun now getting both my sons into this hobby. There is not one piece on a car including body work I have not tried my hand at and felt like I've been successful. I am so happy I chose not to wear a bowtie or an oval for my vehicle. There is something about following Mother MoPar.