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Threaded Insert Nut (Nutsert), Steel

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These general purpose inserts will work on any metal part over .030 inch thick, even in solid materials. When properly installed and used, they provide excellent resistance to pull-out and torque-out. They protrude only .015 inch above the surface and can be made completely flush by slightly countersinking or dimpling the mounting hole. The material for these inserts is plated steel.

Use our Rivet Nut / Insert Nut Installation Tools (Part No. 659-size) to install these inserts.

Note: The part being fastened (the removable part) must bear directly against the rim of the insert. If the removable part has an over-sized hole or is a soft material such as fiberglass, a washer should be used between the insert and the part to provide a bearing surface directly against the insert.

Metal Thickness / Drill Size Chart
Thickness0.030-0.090"0.091-0.124"0.125"-0.186"0.187" + Up
InsertDrill SizeDecimalDrill SizeDecimalDrill SizeDecimalDrill SizeDecimal

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.


10-32 Insert Nut - use 9/32" drill size

1 to 11: $0.59

12 to 149: $0.52

150 & up: $0.45

In Stock


1/4-28 Insert Nut - use 3/8" drill size

1 to 9: $1.09

10 to 99: $0.97

100 & up: $0.84

In Stock


5/16-24 Insert Nut - use 1/2" drill size

1 to 9: $1.49

10 to 99: $1.32

100 to 999: $1.15

1000 & up: call   

In Stock
Related Product Groups
Rivet Nuts and Insert Nuts


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Threaded Insert Nut (Nutsert), Steel

(based on 1 review)

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captive nuts

By wheel

from kansas city

Verified Buyer

Comments about Threaded Insert Nut (Nutsert), Steel:

I use these in several sizes to mount panels, etc. on the race car. They are great when you can't get a wrench on a nut. I use them for my splitter, dash panels, shifter plates and for the cover over the fuel cell.

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