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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.

Condition: New

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

Condition: New

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

Condition: New

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

1 to 9: $1.49

10 to 99: $1.32

100 & up: $1.15

In Stock
Related Product Groups
Rivet Nuts and Insert Nuts


by PowerReviews
Threaded Insert Nut (Nutsert), Steel

(based on 4 reviews)

Ratings Distribution

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  • 1 Stars




of respondents would recommend this to a friend.

Reviewed by 4 customers

Displaying reviews 1-4

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Great product, great service! Thank you

By Rat rod builder apprentice

from Greenwood, IN

Verified Buyer

Comments about Threaded Insert Nut (Nutsert), Steel:

Attached the hood on my 38 Ford truck

Service and delivery comments:

Prompt delivery

  • Was this a gift?:
  • No

Worked ok, but larger shoulder would have been better.

By Tom Handyman

from Georgetown, TX

Verified Buyer

Comments about Threaded Insert Nut (Nutsert), Steel:

Was installing into a hole drilled into round tubing and a slight larger shoulder would have made the installation more secure and easier to keep nutsert aligned properly during installation..


Worked well

By Mrbillracing

from Cincinnati. OH

Verified Buyer

Comments about Threaded Insert Nut (Nutsert), Steel:

Replaced existing nutserts that were stripped out. Worked well w Pegasus Economy Nutsert tool. Glad I bought extras.

(1 of 1 customers found this review helpful)


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.

Displaying reviews 1-4

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