About Nuts, Materials, and Finishes
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About Thumb Screw and Binding Post Materials
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Metric 18-8 Stainless Steel Vibration-Resistant Cap Locknuts
To resist loosening from vibration, these metric locknuts have a nylon patch bonded to their threads that adds friction. They’re reusable, but their nylon patch’s strength decreases with each use. Made of stainless steel, they have good chemical resistance and may be mildly magnetic. Also known as acorn nuts, these nuts have a smooth rounded head that covers and protects threads while providing a finished appearance.
For technical drawings and 3-D models, click on a part number.
Thread | Thread Locker | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Size | Pitch, mm | Dp., mm | Wd., mm | Ht., mm | Type | Max. Temp., °F | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||
M5 | 0.8 | 5.6 | 8 | 10 | Nylon Patch | 250° | DIN 1587 | 5 | 000000000 | 000000 |
M6 | 1 | 5.7 | 10 | 12 | Nylon Patch | 250° | DIN 1587 | 5 | 000000000 | 00000 |
M8 | 1.25 | 8.2 | 13 | 15 | Nylon Patch | 250° | DIN 1587 | 5 | 000000000 | 00000 |
M10 | 1.5 | 9.7 | 17 | 18 | Nylon Patch | 250° | DIN 1587 | 1 | 000000000 | 00000 |
M12 | 1.75 | 12.2 | 19 | 22 | Nylon Patch | 250° | DIN 1587 | 1 | 000000000 | 00000 |
18-8 Stainless Steel Vibration-Resistant Cap Locknuts
A nylon patch bonded to the threads of these reusable nuts adds friction to prevent loosening under vibration. However, the patch's strength lessens with each use. These nuts have good chemical resistance and may be mildly magnetic because they’re made of 18-8 stainless steel. Also known as acorn nuts, they have a smooth rounded head that covers and protects threads while providing a finished appearance.
Black-oxide stainless steel cap nuts have a dark surface color.
For technical drawings and 3-D models, click on a part number.
Thread | Thread Locker | |||||||
---|---|---|---|---|---|---|---|---|
Size | Dp. | Wd. | Ht. | Type | Max. Temp., °F | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||
10-24 | 3/16" | 3/8" | 13/32" | Nylon Patch | 250° | 5 | 000000000 | 000000 |
10-32 | 3/16" | 3/8" | 13/32" | Nylon Patch | 250° | 5 | 000000000 | 00000 |
12-24 | 7/32" | 3/8" | 13/32" | Nylon Patch | 250° | 5 | 000000000 | 00000 |
1/4"-20 | 1/4" | 7/16" | 15/32" | Nylon Patch | 250° | 5 | 000000000 | 00000 |
1/4"-28 | 1/4" | 7/16" | 15/32" | Nylon Patch | 250° | 5 | 000000000 | 00000 |
5/16"-18 | 19/64" | 1/2" | 17/32" | Nylon Patch | 250° | 5 | 000000000 | 00000 |
3/8"-16 | 3/8" | 9/16" | 5/8" | Nylon Patch | 250° | 5 | 000000000 | 00000 |
3/8"-24 | 3/8" | 9/16" | 5/8" | Nylon Patch | 250° | 5 | 000000000 | 00000 |
7/16"-14 | 7/16" | 5/8" | 45/64" | Nylon Patch | 250° | 1 | 000000000 | 0000 |
1/2"-13 | 1/2" | 3/4" | 13/16" | Nylon Patch | 250° | 1 | 000000000 | 0000 |
5/8"-11 | 5/8" | 15/16" | 1" | Nylon Patch | 250° | 1 | 000000000 | 00000 |
3/4"-10 | 3/4" | 1 1/16" | 1 5/32" | Nylon Patch | 250° | 1 | 000000000 | 00000 |
Black-Oxide 18-8 Stainless Steel | ||||||||
10-32 | 3/16" | 3/8" | 13/32" | Nylon Patch | 250° | 5 | 000000000 | 00000 |
1/4"-20 | 1/4" | 7/16" | 15/32" | Nylon Patch | 250° | 5 | 000000000 | 00000 |
Super-Corrosion-Resistant 316 Stainless Steel Vibration-Resistant Cap Locknuts
With a nylon patch bonded to their threads for added friction, these nuts resist coming loose from vibration. They’re reusable, but the patch’s strength decreases with each use. Made of 316 stainless steel, they have excellent resistance to chemicals and salt water. Also known as acorn nuts, these cap nuts have a smooth rounded head that covers and protects threads while providing a finished appearance.
For technical drawings and 3-D models, click on a part number.
Thread | Thread Locker | |||||||
---|---|---|---|---|---|---|---|---|
Size | Dp. | Wd. | Ht. | Type | Max. Temp., °F | Pkg. Qty. | Pkg. | |
316 Stainless Steel | ||||||||
10-24 | 3/16" | 3/8" | 13/32" | Nylon Patch | 250° | 5 | 000000000 | 000000 |
10-32 | 3/16" | 3/8" | 13/32" | Nylon Patch | 250° | 5 | 000000000 | 00000 |
1/4"-20 | 1/4" | 7/16" | 15/32" | Nylon Patch | 250° | 5 | 000000000 | 00000 |
5/16"-18 | 5/16" | 1/2" | 17/32" | Nylon Patch | 250° | 1 | 000000000 | 0000 |
3/8"-16 | 3/8" | 9/16" | 5/8" | Nylon Patch | 250° | 1 | 000000000 | 0000 |
1/2"-13 | 1/2" | 3/4" | 13/16" | Nylon Patch | 250° | 1 | 000000000 | 00000 |
5/8"-11 | 5/8" | 15/16" | 1" | Nylon Patch | 250° | 1 | 000000000 | 00000 |
Sealing Binding Barrels and Screws
Sealed with PVC foam under the head to prevent leaks and keep contaminants out. Barrels and screws have a low-profile head with a Torx drive. Screws have a knurled shoulder that resists rotation and adhesive on the threads to resist loosening. They're also known as Camtainer fasteners. A zinc plating provides corrosion resistance in wet environments. Barrel length is measured from under the head; screw length is measured from under the shoulder.
For technical drawings and 3-D models, click on a part number.
Barrel | Screw | Thread Locker | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Material Thick. | Lg. | Dia. | Head Dia. | Head Ht | Drive Size | Lg. | Head Dia. | Head Ht. | Seal Temperature Range, °F | Type | Temperature Range, °F | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||||||||
5/16"-18 | ||||||||||||||
0.695" to 0.744" | 3/8" | 25/64" | 1" | 5/32" | T55 | 39/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 000000 |
0.72" to 0.814" | 3/8" | 25/64" | 1" | 5/32" | T55 | 47/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
0.82" to 0.869" | 1/2" | 25/64" | 1" | 5/32" | T55 | 39/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
0.82" to 0.939" | 1/2" | 25/64" | 1" | 5/32" | T55 | 47/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
0.845" to 0.939" | 1/2" | 25/64" | 1" | 5/32" | T55 | 55/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
0.935" to 0.984" | 5/8" | 25/64" | 1" | 5/32" | T55 | 39/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
0.935" to 1.054" | 5/8" | 25/64" | 1" | 5/32" | T55 | 47/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
0.935" to 1.179" | 5/8" | 25/64" | 1" | 5/32" | T55 | 55/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
0.97" to 1.064" | 3/8" | 25/64" | 1" | 5/32" | T55 | 63/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
0.97" to 1.189" | 1/2" | 25/64" | 1" | 5/32" | T55 | 63/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
0.97" to 1.304" | 5/8" | 25/64" | 1" | 5/32" | T55 | 63/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
1.22" to 1.439" | 1/2" | 25/64" | 1" | 5/32" | T55 | 1 15/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
1.22" to 1.554" | 5/8" | 25/64" | 1" | 5/32" | T55 | 1 15/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
1.32" to 1.369" | 1" | 25/64" | 1" | 5/32" | T55 | 39/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
1.32" to 1.564" | 1" | 25/64" | 1" | 5/32" | T55 | 55/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
1.32" to 1.689" | 1" | 25/64" | 1" | 5/32" | T55 | 63/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
1.32" to 1.939" | 1" | 25/64" | 1" | 5/32" | T55 | 1 15/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
1.401" to 1.495" | 3/8" | 25/64" | 1" | 5/32" | T55 | 1 27/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
1.401" to 1.62" | 1/2" | 25/64" | 1" | 5/32" | T55 | 1 27/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
1.401" to 2.12" | 1" | 25/64" | 1" | 5/32" | T55 | 1 27/64" | 7/8" | 3/16" | -40° to 300° | Epoxy Patch | -65° to 300° | 5 | 000000000 | 00000 |
Thread-Locking Male-Female Threaded Hex Standoffs
A nylon patch bonded to the threads adds friction, preventing these standoffs from loosening from vibration. They’re reusable, but with each use they’ll have less holding power. Made of 18-8 stainless steel, they have good corrosion resistance, so they won’t corrode from frequent washdowns with harsh cleaners and sanitizers. They may be mildly magnetic. The flat sides of their hex are easy to grip with a wrench.
For technical drawings and 3-D models, click on a part number.
Thread (A) | Thread (B) | Each | |||||||
---|---|---|---|---|---|---|---|---|---|
Lg. | Size | Lg. | Size | Min. Lg. | Thread Locker Temp. Range, °F | Specifications Met | 1-9 | 10-Up | |
3/16" Hex Size | |||||||||
3/16" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 00000 |
7/32" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
1/4" | 2-56 | 5/32" | 2-56 | 3/16" | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
1/4" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
5/16" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
3/8" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
1/2" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
5/8" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
3/4" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
1" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
1/4" Hex Size | |||||||||
1/4" | 4-40 | 3/16" | 4-40 | 9/64" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
1/4" | 6-32 | 1/4" | 6-32 | 7/64" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
3/8" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
3/8" | 6-32 | 1/4" | 6-32 | 15/64" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
1/2" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
1/2" | 6-32 | 1/4" | 6-32 | 23/64" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
1/2" | 8-32 | 3/8" | 8-32 | 11/32" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
5/8" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
5/8" | 6-32 | 1/4" | 6-32 | 3/8" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
3/4" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
3/4" | 6-32 | 1/4" | 6-32 | 3/8" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
1" | 4-40 | 3/16" | 4-40 | 1/4" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
1" | 6-32 | 1/4" | 6-32 | 3/8" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
1" | 8-32 | 3/8" | 8-32 | 7/16" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
1 1/4" | 6-32 | 1/4" | 6-32 | 3/8" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
1 1/4" | 8-32 | 3/8" | 8-32 | 7/16" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
1 1/2" | 6-32 | 1/4" | 6-32 | 3/8" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
2" | 6-32 | 1/4" | 6-32 | 3/8" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
3/8" Hex Size | |||||||||
3/8" | 10-32 | 3/8" | 10-32 | 13/64" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
1/2" | 10-32 | 3/8" | 10-32 | 21/64" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
3/4" | 10-32 | 3/8" | 10-32 | 1/2" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
1" | 10-32 | 3/8" | 10-32 | 1/2" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
1 1/2" | 10-32 | 3/8" | 10-32 | 1/2" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
2" | 10-32 | 3/8" | 10-32 | 1/2" | -70° to 245° | ASTM A582 | 000000000 | 0000 | 0000 |
3" | 10-32 | 3/8" | 10-32 | 1/2" | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 0000 |
1/2" Hex Size | |||||||||
1/2" | 1/4"-20 | 1/2" | 1/4"-20 | 5/8" | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 00000 |
3/4" | 1/4"-20 | 1/2" | 1/4"-20 | 5/8" | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 00000 |
1" | 1/4"-20 | 1/2" | 1/4"-20 | 5/8" | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 00000 |
1 1/2" | 1/4"-20 | 1/2" | 1/4"-20 | 5/8" | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 00000 |
2" | 1/4"-20 | 1/2" | 1/4"-20 | 5/8" | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 00000 |
3" | 1/4"-20 | 1/2" | 1/4"-20 | 5/8" | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 00000 |
4" | 1/4"-20 | 1/2" | 1/4"-20 | 5/8" | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 00000 |
4" | 10-32 | 3/8" | 10-32 | 1/2" | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 00000 |
Thread (A) | Thread (B) | Each | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Lg., mm | Size | Pitch, mm | Lg., mm | Size | Pitch, mm | Min. Lg., mm | Thread Locker Temp. Range, °F | Specifications Met | 1-9 | 10-Up | |
4.5 mm Hex Size | |||||||||||
5 | M2.5 | 0.45 | 4 | M2.5 | 0.45 | 2.7 | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 00000 |
5 | M3 | 0.5 | 4.8 | M3 | 0.5 | 2.7 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
6 | M2.5 | 0.45 | 4 | M2.5 | 0.45 | 3.7 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
6 | M3 | 0.5 | 4.8 | M3 | 0.5 | 3.7 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
8 | M3 | 0.5 | 4.8 | M3 | 0.5 | 6.4 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
10 | M3 | 0.5 | 4.8 | M3 | 0.5 | 6.4 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
12 | M3 | 0.5 | 4.8 | M3 | 0.5 | 6.4 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
16 | M3 | 0.5 | 4.8 | M3 | 0.5 | 6.4 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
20 | M3 | 0.5 | 4.8 | M3 | 0.5 | 6.4 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
30 | M3 | 0.5 | 4.8 | M3 | 0.5 | 6.4 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
6 mm Hex Size | |||||||||||
5 | M3 | 0.5 | 4.8 | M3 | 0.5 | 2.7 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
6 | M3 | 0.5 | 4.8 | M3 | 0.5 | 3.7 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
8 | M3 | 0.5 | 4.8 | M3 | 0.5 | 5.7 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
10 | M3 | 0.5 | 4.8 | M3 | 0.5 | 6.4 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
12 | M3 | 0.5 | 4.8 | M3 | 0.5 | 6.4 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
14 | M3 | 0.5 | 4.8 | M3 | 0.5 | 6.4 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
25 | M3 | 0.5 | 4.8 | M3 | 0.5 | 6.4 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
8 mm Hex Size | |||||||||||
10 | M4 | 0.7 | 9.5 | M4 | 0.7 | 6.8 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
30 | M4 | 0.7 | 9.5 | M4 | 0.7 | 11.1 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
30 | M5 | 0.8 | 9.5 | M5 | 0.8 | 12.7 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
51 | M4 | 0.7 | 9.5 | M4 | 0.7 | 11.1 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
10 mm Hex Size | |||||||||||
51 | M5 | 0.8 | 9.5 | M5 | 0.8 | 12.7 | -70° to 250° | ASTM A581 or A582 | 000000000 | 0000 | 0000 |
13 mm Hex Size | |||||||||||
20 | M6 | 1 | 12.7 | M6 | 1 | 16 | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 00000 |
25 | M6 | 1 | 12.7 | M6 | 1 | 16 | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 00000 |
30 | M6 | 1 | 12.7 | M6 | 1 | 16 | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 0000 |
51 | M6 | 1 | 12.7 | M6 | 1 | 16 | -70° to 250° | ASTM A581 or A582 | 000000000 | 00000 | 00000 |