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About Nuts, Materials, and Finishes
More
Ultra-High-Temperature Carbon Fiber Square Nuts

Unlike metal nuts, these carbon fiber square nuts won’t warp at extreme temperatures, making them ideal for heat treating and furnace fixtures. They are lightweight with an excellent strength-to-weight ratio and can be used for storage racks and shelving. Large flat sides make these nuts easy to grip with a wrench and keep them from rotating in channels and square holes.
For technical drawings and 3-D models, click on a part number.
Metric Ultra-High-Temperature Carbon Fiber Square Nuts

Unlike metal nuts, these metric carbon fiber square nuts won’t warp at extreme temperatures, making them ideal for heat treating and furnace fixtures. They are lightweight with an excellent strength-to-weight ratio and can be used for storage racks and shelving. Large flat sides make these nuts easy to grip with a wrench and keep them from rotating in channels and square holes.
For technical drawings and 3-D models, click on a part number.
Plastic Square Nuts

These fiberglass square nuts are chemical resistant, nonconductive, and lightweight. Large flat sides make them easy to grip with a wrench and keep them from rotating in channels and square holes.
For technical drawings and 3-D models, click on a part number.
Plastic Snap-In Nuts
These nylon nuts are chemical resistant, nonconductive, and lightweight. Inserting a screw pushes the prongs against the panel to secure the nut.
For technical drawings and 3-D models, click on a part number.

For Screw Size | For Panel Thick. | Square Hole Size | Lg. | Wd. | Ht. | Flange Thick. | Max. Temp., °F | Color | Pkg. Qty. | Pkg. | |
Nylon Plastic | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
No. 4 | 0.031" to 1/8" | 0.275" to 0.285" | 3/8" | 3/8" | 7/32" | 1/16" | 165° | Off-White | 50 | 000000000 | 000000 |
No. 6 | 0.032" to 0.156" | 0.2" to 0.27" | 7/16" | 5/16" | 5/16" | 1/32" | 165° | Off-White | 50 | 000000000 | 00000 |
No. 6 | 0.062" to 0.275" | 0.265" to 0.27" | 1/2" | 3/8" | 7/16" | 1/32" | 165° | Off-White | 25 | 000000000 | 00000 |
No. 6, No. 8 | 0.031" to 1/8" | 0.245" to 0.255" | 3/8" | 3/8" | 9/32" | 1/32" | 165° | Off-White | 25 | 000000000 | 00000 |
No. 8 | 1/32" to 5/32" | 0.27" to 0.28" | 3/8" | 3/8" | 11/32" | 1/32" | 165° | Off-White | 50 | 000000000 | 00000 |
No. 8 | 0.078" to 0.175" | 0.285" to 0.295" | 3/8" | 3/8" | 11/32" | 1/32" | 165° | Off-White | 25 | 000000000 | 00000 |
No. 8, No. 10 | 0.218" to 0.23" | 0.35" to 0.355" | 15/32" | 15/32" | 13/32" | 1/16" | 165° | Off-White | 25 | 000000000 | 00000 |
No. 10 | 1/32" to 5/32" | 0.38" to 0.39" | 5/8" | 5/8" | 5/16" | 3/32" | 165° | Off-White | 25 | 000000000 | 00000 |
No. 10 | 0.032" to 0.234" | 0.32" to 0.335" | 15/32" | 15/32" | 13/32" | 1/16" | 165° | Off-White | 25 | 000000000 | 00000 |
No. 10 | 0.064" to 0.187" | 0.37" to 0.39" | 19/32" | 19/32" | 9/32" | 3/32" | 165° | Off-White | 25 | 000000000 | 00000 |
No. 12 | 0.031" to 0.1" | 0.37" to 0.375" | 5/8" | 5/8" | 9/32" | 3/32" | 165° | Off-White | 50 | 000000000 | 00000 |
1/4" | 0.031" to 1/8" | 0.37" to 0.375" | 5/8" | 5/8" | 9/32" | 1 1/16" | 165° | Off-White | 10 | 000000000 | 00000 |

For Screw Size | For Panel Thick. | Square Hole Size | OD | Ht. | Flange Thick. | Max. Temp., °F | Color | Pkg. Qty. | Pkg. | |
Nylon Plastic | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
No. 6 | 0.032" to 0.15" | 0.28" to 0.285" | 1/2" | 11/32" | 23/32" | 165° | Off-White | 25 | 000000000 | 000000 |
No. 6 | 0.062" to 0.165" | 0.27" to 0.28" | 3/8" | 5/16" | 3/32" | 165° | Off-White | 25 | 000000000 | 00000 |
No. 8 | 0.031" to 0.156" | 0.275" to 0.29" | 1/2" | 5/16" | 3/8" | 165° | Off-White | 25 | 000000000 | 00000 |
No. 8 | 0.062" to 0.17" | 0.275" to 0.28" | 1/2" | 5/16" | 5/16" | 165° | Off-White | 25 | 000000000 | 00000 |
No. 10 | 0.031" to 0.16" | 0.305" to 0.31" | 1/2" | 9/32" | 1/32" | 165° | Off-White | 50 | 000000000 | 00000 |
No. 12 | 0.032" to 1/8" | 0.35" to 0.355" | 17/32" | 9/32" | 1/8" | 165° | Off-White | 25 | 000000000 | 00000 |
1/4" | 1/32" to 5/32" | 0.33" to 0.34" | 9/16" | 11/32" | 1/16" | 165° | Off-White | 25 | 000000000 | 00000 |
5/16" | 0.032" to 0.135" | 0.415" to 0.43" | 3/4" | 5/16" | 1/16" | 165° | Off-White | 10 | 000000000 | 00000 |