About Nuts, Materials, and Finishes
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Steel Snap-In Nuts
Snap these nuts—also known as cage nuts—into square holes in thin material. They’re often used to mount servers and other equipment in electronics racks. Threads float inside the cage, so you can fasten a bolt at a slight angle to align off-center parts. Mounting legs expand to lock these nuts in place.
Install these nuts by hand, with pliers, or with a snap-in nut installation and removal tool.
Black-phosphate steel nuts are mildly corrosion resistant in dry environments.
Zinc-plated steel nuts resist corrosion in wet environments.
Thread Size | For Panel Thick. | Square Hole Size | Wd. | Head Ht. | Pkg. Qty. | Pkg. | |
Black-Phosphate Steel | |||||||
|---|---|---|---|---|---|---|---|
| 1/4"-20 | 0.025" to 0.063" | 0.375" to 0.38" | 0.52" | 0.25" | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.064" to 0.105" | 0.375" to 0.38" | 0.52" | 0.25" | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.093" to 0.126" | 0.375" to 0.38" | 0.52" | 0.25" | 25 | 000000000 | 0000 |
| 1/4"-20 | 0.125" to 0.156" | 0.375" to 0.38" | 0.52" | 0.25" | 10 | 000000000 | 00000 |
Zinc-Plated Steel | |||||||
| 1/4"-20 | 0.025" to 0.063" | 0.375" to 0.38" | 0.52" | 0.25" | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.064" to 0.105" | 0.375" to 0.38" | 0.52" | 0.25" | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.093" to 0.126" | 0.375" to 0.38" | 0.52" | 0.25" | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.125" to 0.156" | 0.375" to 0.38" | 0.53" | 0.25" | 25 | 000000000 | 00000 |
Stainless Steel Snap-In Nuts
For excellent corrosion resistance in most environments, these nuts are made of 18-8 stainless steel. Snap them into square holes in thin material, and the mounting legs expand to lock them in place. Also known as cage nuts, the threads float inside the cage, so you can fasten a bolt at a slight angle to align off-center parts. These nuts are often used to mount servers and other equipment in electronics racks. They may be mildly magnetic.
Install these nuts by hand, with pliers, or with a snap-in nut installation and removal tool.
| Thread Size | For Panel Thick. | Square Hole Size | Wd. | Head Ht. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||
|---|---|---|---|---|---|---|---|
| 1/4"-20 | 0.025" to 0.063" | 0.375" to 0.38" | 0.52" | 0.25" | 5 | 000000000 | 00000 |
| 1/4"-20 | 0.064" to 0.105" | 0.375" to 0.38" | 0.52" | 0.25" | 5 | 000000000 | 0000 |
| 1/4"-20 | 0.093" to 0.126" | 0.375" to 0.38" | 0.52" | 0.25" | 5 | 000000000 | 0000 |
| 1/4"-20 | 0.125" to 0.156" | 0.343" to 0.38" | 0.52" | 0.25" | 5 | 000000000 | 0000 |
No-Slip Clip-On Barrel Nuts
These clip-on nuts have a barrel with multiple threads for secure thread engagement. Also known as U-nuts, they squeeze both sides of thin panels for a tighter grip than J-nuts.
Black-phosphate steel nuts are mildly corrosion resistant in dry environments.
No-Slip Clip-On Nuts
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Also known as U-nuts, these nuts squeeze both sides of thin panels for a tighter grip than J-nuts. The hex- or square-shaped barrel gives your wrench a spot to grip, so you can keep these nuts in place as you tighten a machine screw. For secure fastening, multiple threads in the barrel engage with your screw.
Black-phosphate steel nuts are mildly corrosion resistant in dry environments.
| Thread Size | For Panel Thick. | Distance from Ctr. of Hole to Edge (A) | Clip-On Nut Profile | Pkg. Qty. | Pkg. | |
Black-Phosphate Steel | ||||||
|---|---|---|---|---|---|---|
| 1/4"-20 | 0.05" to 0.07" | 0.375" | With Hex Nut | 10 | 000000000 | 00000 |
Clip-On Nuts
Because one leg is shorter than the other, you can adjust the position of these nuts before you insert a machine screw. Also known as J-nuts, they have a slightly looser fit on thin panels than U-nuts. These nuts have a hex- or square-shaped barrel, so you can hold them in place with a wrench as you tighten a fastener. Multiple threads in the barrel engage with the screw for secure fastening.
Black-phosphate steel nuts are mildly corrosion resistant in dry environments.
Zinc-plated steel nuts are corrosion resistant in wet environments.
| Thread Size | For Panel Thick. | Distance from Ctr. of Hole to Edge (A) | Clip-On Nut Profile | Pkg. Qty. | Pkg. | |
Black-Phosphate Steel | ||||||
|---|---|---|---|---|---|---|
| 1/4"-20 | 0.032" to 0.093" | 0.5" | With Hex Nut | 25 | 000000000 | 000000 |
| 1/4"-20 | 0.032" to 0.093" | 0.781" | With Hex Nut | 10 | 000000000 | 0000 |
| 1/4"-20 | 0.093" to 0.135" | 0.375" | With Square Nut | 10 | 000000000 | 0000 |
Zinc-Plated Steel | ||||||
| 1/4"-20 | 0.032" to 0.093" | 0.5" | With Hex Nut | 10 | 000000000 | 0000 |
Flanged Push Nuts
A flange distributes the load over a large area and reduces stress where the nut meets the material surface. Push them over threads to hold fasteners in light-duty holding applications. A zinc plating provides corrosion resistance in wet environments.
Rectangular Push Nuts
Clip-On Nut Assortments
Keep a variety of clip-on nuts on hand to create fastening points for screws. Simply slide these nuts onto the edges of thin panels.
Low-profile nuts are for low-clearance applications. No-slip nuts squeeze both sides of the panel for a tight grip. They’re also known as U-nuts. Barrel nuts have multiple threads for secure thread engagement.
| Number of Pieces | Includes | For Panel Thick. | Container Type | Each | |
Black-Phosphate Steel | |||||
|---|---|---|---|---|---|
| 48 | 12 Low-Profile No-Slip Clip-On Nuts (1/4"-20) 36 Low-Profile Clip-On Nuts For Tapping Screws (1/4" to 5/16") | 0.028" to 0.125" | Plastic Box | 000000000 | 000000 |
| 125 | 125 No-Slip Clip-On Barrel Nuts (8-32 to 3/8"-16, M4 to M10) | 0.025" to 0.248" | Plastic Box | 000000000 | 000000 |
| 965 | 100 Clip-On Hex Nuts (1/4"-20 to 5/16"-18) 475 No-Slip Clip-On Barrel Nuts (10-24 to 3/8"-16, M6 to M10) 15 No-Slip Clip-On Barrel Nuts For Tapping Screws (No. 10) 375 Low-Profile No-Slip Clip-On Nuts For Tapping Screws (No. 6 to 1/4") | 0.025" to 0.236" | Metal Box | 000000000 | 000000 |