Threaded Insert Driver Sold Separately
See Available Machine Screws Here.
Internal Threads: #5/16-18
Requires Drill Size: 1/2"
Body Diameter: 1/2"
External Thread Diameter: 39/64"
Overall Length: 5/8"
Drive Type: Slotted (use special insert driver or make your own).
(based on 6 reviews)
of respondents would recommend this to a friend.
Reviewed by 6 customers
Displaying reviews 1-5
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Perfect for the intended task
from Cheboygan, MI
About Me Professional
Comments about 5/16-18 Brass Threaded Insert:
Made in USA... very nice quality.
Bottom Line Yes, I would recommend this to a friend
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from Santa Clara, Ca.
About Me Avid Do-It-Yourselfer
Depending on wood grain any insert may raise the grain during installation. A simple jig that applies downward pressure surrounding the pre-drilled hole will minimize lifting. Also, I find that by NOT adding a slight countersink to the hole, it will cause the grain to lift less, due to the knife edge-like threads on these inserts.
from Dunnellon, FL
See all my reviews
I first tried installing these in a 1/2" through hole made with a twist drill. With lubricant and lots of muscle, I did get them into the walnut I was working with. I chamfer the edge of the holes to avoid tearing the wood. Today I installed more of the inserts but used a Forstner bit instead, in a blind hole. I still used some screw lube. Everything went smoothly, with very reasonable installation force. Good product. I have had other brands that collapsed the threads when trying to install them. These did not!
Difficult to install
Quite difficult to install in hardwoods. Helps to chamfer the hole to avoid splitting the wood surface, and use screw lube, but they are very tight for the specified 1/2" hole. Finding a larger drill bit is another trick altogether. A 13 mm metric bit may help. At least they did go in, unlike some others I have that are inferior brass, where the threads just collapse.
Brass Threaded Inserts
from Providence. RI
Great quality. Worked well. Much better than what you get at your local box stores.