System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Thread Type Thread Type |
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Hex Nut Profile Hex Nut Profile |
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Thin | Extra-Wide Thin |
Material Material |
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Thread Spacing Thread Spacing |
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Thread Direction Thread Direction |
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![]() | Right Hand |
Thread Fit Thread Fit |
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Finish Finish |
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Drive Style Drive Style |
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![]() | External Hex |
Specifications Met Specifications Met |
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Nut Style Nut Style |
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Locking Type Locking Type |
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Nylon Insert | Flex-Top |
Insert Maximum Temperature Insert Maximum Temperature |
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To select the best shock absorber for your application, you need to find the energy capacity your application requires. Use this formula to calculate the energy capacity required to stop a horizontal-moving load. For example, if you have a 250-lb. load moving at 25 inches per second, your calculation is (250 lbs. ÷ 772) × 252 = 202.4 in.-lbs. energy capacity.
Note: Choose a shock absorber with a higher energy capacity than you calculated. Factors such as driving force or an inclined surface will increase the energy capacity required.
Energy Capacity (in.-lbs.) = (Weight, lbs./772) × Velocity2 (in. per second)
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Also known as jam nuts, these are about half the height of standard hex nuts. Use them in low-clearance applications or jam one against another nut to hold it in place. They're suitable for fastening most machinery and equipment when used in conjunction with a standard hex nut. A zinc plating provides corrosion resistance in wet environments.
For technical drawings and 3-D models, click on a part number.
Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel—Grade 5 | ||||||
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1 3/8"-12 | 2 1/16" | 25/32" | ASME B18.2.2 | 1 | 000000000 | 000000 |
Also known as jam nuts, these are about half the height of standard hex nuts. Use them in low-clearance applications or jam one against another nut to hold it in place. About half the strength of medium-strength steel thin nuts, use them for light duty fastening applications, such as securing access panels.
For technical drawings and 3-D models, click on a part number.
Thread Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
Steel—Grade 2 | |||||
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1 3/8"-12 | 2 1/16" | 25/32" | 5 | 000000000 | 000000 |
About half the height and 10% wider than standard nylon-insert locknuts, use these in low-clearance applications or jam one against an extra-wide hex nut to hold it in place. The nylon insert grips the bolt to resist loosening without damaging threads. They're reusable, but their holding power lessens with each use. Comparable in strength to Grade 8 bolts, these locknuts are about three times stronger than low-strength steel extra-wide thin locknuts.
Steel locknuts without a finish are ready to be welded, painted and finished.
For technical drawings and 3-D models, click on a part number.
Thread Size | Wd. | Ht. | Insert Max. Temp., °F | Each | |
Steel—Grade C | |||||
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1 3/8"-12 | 2 13/64" | 1 3/16" | 250° | 000000000 | 000000 |
About two-thirds the height of standard flex-top locknuts, use these in low-clearance applications or jam one against a hex nut to hold it in place. Threads at the top of the nut expand to grip the bolt on all sides for a stronger hold than distorted-thread locknuts. The strength of the bolt should match the strength of the nut to prevent damaging threads. These locknuts have equivalent strength to Grade 8 steel locknuts.
Plain steel locknuts are uncoated and ready for painting.
For technical drawings and 3-D models, click on a part number.
Thread Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
Steel | |||||
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1 3/8"-12 | 1 15/16" | 57/64" | 1 | 000000000 | 000000 |
Use Mounting Blocks for Shock Absorbers (not included) to mount and secure threaded-body shock absorbers.