Thread Size Thread Size |
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Height Height |
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Flange Diameter Flange Diameter |
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Specifications Met Specifications Met |
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Drive Style Drive Style |
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| External 12- Point | External Hex |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Nuts, Materials, and Finishes
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Stainless Steel High-Torque 12-Point Flange Nuts
These flange nuts have excellent resistance to chemicals and salt water. With more points of contact than a hex, they allow you to get a better grip for more driver torque. The flange distributes pressure where the nut meets the material surface, eliminating the need for a separate washer. Height includes the flange.
For technical drawings and 3-D models, click on a part number.
Flange | ||||||
|---|---|---|---|---|---|---|
| Thread Size | Wd. | Ht. | Dia. | Thick. | Each | |
A286 Stainless Steel | ||||||
| 1/4"-20 | 5/16" | 19/64" | 7/16" | 0.06" | 000000000 | 00000 |
| 1/4"-28 | 5/16" | 19/64" | 7/16" | 0.06" | 000000000 | 0000 |
| 5/16"-18 | 3/8" | 11/32" | 17/32" | 0.08" | 000000000 | 0000 |
| 5/16"-24 | 3/8" | 11/32" | 17/32" | 0.08" | 000000000 | 0000 |
| 3/8"-16 | 7/16" | 25/64" | 5/8" | 0.09" | 000000000 | 0000 |
| 3/8"-24 | 7/16" | 25/64" | 5/8" | 0.09" | 000000000 | 0000 |
| 7/16"-14 | 1/2" | 7/16" | 45/64" | 0.11" | 000000000 | 0000 |
| 7/16"-20 | 1/2" | 7/16" | 45/64" | 0.11" | 000000000 | 0000 |
| 1/2"-13 | 9/16" | 33/64" | 53/64" | 0.13" | 000000000 | 0000 |
| 1/2"-20 | 9/16" | 33/64" | 53/64" | 0.13" | 000000000 | 0000 |
| 9/16"-18 | 11/16" | 5/8" | 31/32" | 0.13" | 000000000 | 0000 |
Thread | Flange | ||||||
|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Wd., mm | Ht., mm | Dia. | Thick., mm | Each | |
A286 Stainless Steel | |||||||
| M6 | 1 | 8 | 6.1 | 10.5 | 1.6 | 000000000 | 00000 |
| M7 | 1 | 9 | 7 | 12 | 1.6 | 000000000 | 0000 |
| M8 | 1 | 10 | 8.1 | 15.9 | 1.6 | 000000000 | 0000 |
| M8 | 1.25 | 10 | 8.1 | 13.6 | 1.6 | 000000000 | 0000 |
| M9 | 1 | 11 | 9.5 | 15.6 | 1.6 | 000000000 | 0000 |
| M10 | 1 | 12 | 10.2 | 17.8 | 3.2 | 000000000 | 0000 |
| M10 | 1.25 | 12 | 10.2 | 17.8 | 3.2 | 000000000 | 0000 |
| M10 | 1.5 | 12 | 10.2 | 17.8 | 3.2 | 000000000 | 0000 |
| M11 | 1.25 | 13 | 11 | 17.8 | 3.2 | 000000000 | 0000 |
| M11 | 1.25 | 14 | 13 | 20.9 | 3.2 | 000000000 | 0000 |
| M12 | 1 | 14 | 12.8 | 19.1 | 3.2 | 000000000 | 0000 |
| M12 | 1.25 | 14 | 12.8 | 19.1 | 3.2 | 000000000 | 0000 |
| M12 | 1.25 | 14 | 12.8 | 20.9 | 3.2 | 000000000 | 0000 |
| M12 | 1.75 | 14 | 12.8 | 20.9 | 3.2 | 000000000 | 0000 |
Stainless Steel Distorted-Thread Flange Locknuts
These flange locknuts have excellent resistance to chemicals and salt water. They have an irregularly shaped thread that grips the bolt for a stronger hold than nylon-insert flange locknuts. A flange distributes pressure where the nut meets the material surface, eliminating the need for a separate washer. These nuts may be mildly magnetic. Height includes the flange.
A286 stainless steel nuts cannot be reused. Those with lubricant thread onto bolts smoothly.
For technical drawings and 3-D models, click on a part number.
Flange | ||||||||
|---|---|---|---|---|---|---|---|---|
| Thread Size | Wd. | Ht. | Dia. | Thick. | Specifications Met | Pkg. Qty. | Pkg. | |
Silver-Plated A286 Stainless Steel | ||||||||
| 4-40 | 5/32" | 1/8" | 0.206" | 0.03" | MS21043-04 | 5 | 000000000 | 000000 |
| 6-32 | 3/16" | 9/64" | 0.244" | 0.03" | MS21043-06 | 5 | 000000000 | 0000 |
| 8-32 | 7/32" | 3/16" | 0.29" | 0.03" | MS21043-08 | 5 | 000000000 | 00000 |
| 10-32 | 1/4" | 3/16" | 0.33" | 0.03" | MS21043-3 | 5 | 000000000 | 0000 |
| 1/4"-28 | 5/16" | 7/32" | 0.42" | 0.04" | MS21043-4 | 5 | 000000000 | 0000 |
| 5/16"-24 | 3/8" | 17/64" | 0.52" | 0.04" | MS21043-5 | 1 | 000000000 | 0000 |
| 3/8"-24 | 7/16" | 9/32" | 0.62" | 0.04" | MS21043-6 | 1 | 000000000 | 0000 |
A286 Stainless Steel with Lubricant | ||||||||
| 2-56 | 1/8" | 3/32" | 0.167" | 0.01" | NAS1291C02M | 5 | 000000000 | 00000 |
| 4-40 | 5/32" | 1/8" | 0.206" | 0.01" | NAS1291C04M | 1 | 000000000 | 0000 |
| 6-32 | 3/16" | 9/64" | 0.244" | 0.01" | NAS1291C06M | 1 | 000000000 | 0000 |
| 8-32 | 7/32" | 3/16" | 0.29" | 0.02" | NAS1291C08M | 1 | 000000000 | 0000 |
| 10-32 | 1/4" | 3/16" | 0.33" | 0.02" | NAS1291C3M | 1 | 000000000 | 0000 |
| 1/4"-28 | 5/16" | 7/32" | 0.42" | 0.02" | NAS1291C4M | 1 | 000000000 | 0000 |
| 5/16"-24 | 3/8" | 17/64" | 0.52" | 0.03" | NAS1291C5M | 1 | 000000000 | 0000 |
| 3/8"-24 | 7/16" | 9/32" | 0.62" | 0.03" | NAS1291C6M | 1 | 000000000 | 00000 |
| 7/16"-20 | 1/2" | 21/64" | 0.708" | 0.04" | NAS1291C7M | 1 | 000000000 | 00000 |
| 1/2"-20 | 9/16" | 13/32" | 0.814" | 0.04" | NAS1291C8M | 1 | 000000000 | 00000 |