Zinc Plated Grade 2 Steel Standard Hex Nylon Insert Locknuts
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| Style | Model | Hex Width | Nut Height | Hex Height | Temp. | Hex Type | Hardness | Resistance Properties | Rockwell Hardness | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | U12300.087.0001 | 1 1/4" | 1" | 1" | - | Standard Hex | Rockwell C28 | Corrosion Resistant | Hrc 28 Max. | 5 | €11.06 | |
| B | U12705.075.0001 | 1 1/4" | 45/64" | 45/64" | -0°F to +250°F | Heavy Jam Hex | Rockwell B68-C32 | - | - | 10 | €55.13 | |
| C | U12320.087.0002 | 1 1/4" | 63/64" | 63/64" | -58°F to +302°F | Standard Hex | Rockwell B68-C32 | - | - | 5 | €12.86 | |
| D | NLFI20750NTE-025P | 1 1/8" | 13/32" | 13/32" | -0°F to +250°F | Standard Hex | Rockwell C28 | - | - | 25 | €35.98 | |
| E | 4RXV3 | 1 1/16" | 13/32" | 9/32" | -0°F to +250°F | Jam Hex | Rockwell C32 | Chemical Resistant, Impact Resistant, Temperature Resistant, Vibration Resistant | - | 1000 | €655.39 | |
| F | 12P612 | 1 1/16" | 7/8" | 7/8" | -0°F to +250°F | Standard Hex | Rockwell C32 | - | - | 20 | €14.13 | |
| G | NLI20620NU-010P | 1 1/16" | 55/64" | 55/64" | - | Standard Hex | Rockwell B68-C32 | - | - | 10 | €14.13 | |
| C | U12705.062.0001 | 1 1/16" | 39/64" | 39/64" | -0°F to +250°F | Heavy Jam Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 10 | €18.40 | |
| H | U12300.075.0001 | 1 1/16" | 0.888" | 57/64" | - | Standard Hex | - | - | - | 10 | €9.12 | |
| C | U12320.075.0002 | 1 1/16" | 57/64" | 57/64" | -58°F to +302°F | Standard Hex | Rockwell B68-C32 | - | - | 10 | €11.38 | |
| I | U12380.075.0002 | 1 1/16" | 57/64" | 9/32" | - | Jam Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 10 | €13.17 | |
| C | U12380.112.0002 | 1 5/8" | 41/64" | - | - | - | Rockwell B68-C32 | - | - | 5 | €55.97 | |
| C | U12320.112.0002 | 1 5/8" | 1 9/32" | - | -58°F to +302°F | - | Rockwell B68-C32 | - | - | 5 | €44.45 | |
| J | U12601.100.0001 | 1 5/8" | 1 9/32" | 1 9/32" | -0°F to +250°F | Heavy Hex | Rockwell B68-C32 | - | - | 5 | €56.20 | |
| K | U12300.112.0001 | 1 5/8" | 1 9/32" | 1 9/32" | -58°F to +302°F | Standard Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 5 | €19.81 | |
| C | U12705.100.0001 | 1 5/8" | 57/64" | 57/64" | -0°F to +250°F | Heavy Jam Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 5 | €30.68 | |
| L | U12300.100.0001 | 1 7/16" | 1 3/64" | 1 3/64" | - | Standard Hex | Rockwell B68-C32 | - | - | 5 | €13.53 | |
| C | U12601.087.0001 | 1 7/16" | 1 1/8" | 1 1/8" | -0°F to +250°F | Heavy Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 5 | €23.82 | |
| C | U12320.101.0002 | 1 7/16" | 1 3/64" | 1 3/64" | - | Standard Hex | Rockwell B68-C32 | - | C28 | 5 | €24.44 | |
| M | 4RXU5 | 1 13/16" | 47/64" | - | -0°F to +250°F | - | Rockwell C32 | - | - | 100 | €487.32 | |
| N | U12300.125.0001 | 1 13/16" | 1 27/64" | 1 27/64" | -58°F to +302°F | Standard Hex | Rockwell B68-C32 | - | - | 5 | €57.26 | |
| C | U12320.125.0002 | 1 13/16" | 1 27/64" | 1 27/64" | -58°F to +302°F | Standard Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 5 | €23.66 | |
| O | U12705.112.0001 | 1 13/16" | 31/32" | 31/32" | -0°F to +250°F | Heavy Jam Hex | Rockwell B68-C32 | - | - | 5 | €81.31 | |
| P | U12320.031.0002 | 1/2" | 11/32" | 11/32" | - | Standard Hex | Rockwell B68-C32 | - | - | 100 | €6.44 | |
| C | U12300.031.0001 | 1/2" | 11/32" | 11/32" | - | Standard Hex | Rockwell B68-C32 | - | - | 100 | €6.73 | |
| C | U12705.025.0001 | 1/2" | 9/32" | 9/32" | -0°F to +250°F | Heavy Jam Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 100 | €14.13 | |
| Q | U12423.031.0001 | 1/2" | 23/64" | 23/64" | - | Jam Hex | Rockwell B68-C32 | - | - | 100 | €14.13 | |
| C | U12300.009.0001 | 1/4" | 9/64" | 9/64" | -0°F to +250°F | Standard Hex | Rockwell B68-C32 | - | C28 | 100 | €16.46 | |
| R | U12423.011.0001 | 1/4" | 1/8" | 1/8" | -0°F to +250°F | Jam Hex | Rockwell B68-C32 | - | C28 | 100 | €21.54 | |
| S | U12423.012.0001 | 1/4" | 1/8" | 1/8" | -0°F to +250°F | Jam Hex | Rockwell B68-C32 | - | - | 100 | €11.64 | |
| T | U12300.008.0001 | 1/4" | 9/64" | 9/64" | -0°F to +250°F | Standard Hex | Rockwell B68-C32 | - | C28 | 100 | €15.34 | |
| U | U12300.011.0001 | 1/4" | 0.163" | 3/32" | - | Standard Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 100 | €5.18 | |
| C | U12300.150.0001 | 2 3/16" | 1 43/64" | - | -58°F to +302°F | Standard Hex | Rockwell B68-C32 | - | - | 5 | €72.95 | |
| C | U12320.150.0002 | 2 3/16" | 1 43/64" | - | -58°F to +302°F | - | Rockwell B68-C32 | - | - | 5 | €49.06 | |
| V | 4RXU4 | 2 13/64" | 51/64" | 9/16" | -0°F to +250°F | Jam Hex | Rockwell C32 | Chemical Resistant, Impact Resistant, Temperature Resistant, Vibration Resistant | - | 60 | €380.71 | |
| C | U12320.050.0002 | 3/4" | 3/5" | 19/32" | - | Standard Hex | - | - | - | 25 | €13.00 | |
| C | U12601.043.0001 | 3/4" | 19/32" | 19/32" | -0°F to +250°F | Heavy Hex | Rockwell B68-C32 | - | - | 25 | €28.27 | |
| W | U12300.050.0001 | 3/4" | 3/5" | 19/32" | - | Standard Hex | - | - | - | 25 | €16.59 | |
| X | U12705.043.0001 | 3/4" | 7/16" | 7/16" | -0°F to +250°F | Heavy Jam Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 25 | €6.53 | |
| C | U12423.019.0001 | 3/8" | 3/16" | 3/16" | -0°F to +250°F | Jam Hex | Rockwell B68-C32 | - | - | 100 | €6.92 | |
| Y | U12300.019.0001 | 3/8" | 15/64" | 15/64" | - | Standard Hex | Rockwell B68-C32 | - | - | 100 | €5.28 | |
| Z | U12320.019.0002 | 3/8" | 15/64" | 15/64" | - | Standard Hex | Rockwell B68-C32 | - | - | 100 | €8.82 | |
| A1 | U12320.043.0002 | 5/8" | 3/4" | 3/4" | - | Standard Hex | - | - | - | 25 | €4.84 | |
| B1 | U12300.043.0001 | 5/8" | 3/4" | 3/4" | - | Standard Hex | - | - | - | 25 | €4.79 | |
| C | U12423.013.0001 | 5/16" | 9/64" | 9/64" | -0°F to +250°F | Jam Hex | Rockwell B68-C32 | - | C28 | 100 | €18.81 | |
| C1 | U12300.013.0001 | 5/16" | 11/64" | 11/64" | - | Standard Hex | Rockwell B68-C32 | - | - | 100 | €5.95 | |
| D1 | U12705.050.0001 | 7/8" | 17/32" | 17/32" | -0°F to +250°F | Heavy Jam Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 25 | €28.27 | |
| C | U12423.056.0001 | 7/8" | 21/32" | - | - | Jam Hex | Rockwell B68-C32 | - | - | 25 | €28.27 | |
| E1 | U12300.056.0001 | 7/8" | 25/32" | 25/32" | - | Standard Hex | Rockwell B68-C32 | - | - | 25 | €12.35 | |
| C | U12380.056.0002 | 7/8" | 3/8" | 3/8" | - | Jam Hex | Rockwell B68-C32 | - | - | 25 | €26.67 | |
| F1 | U12320.056.0002 | 7/8" | 25/32" | 25/32" | - | Standard Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 25 | €21.44 | |
| C | U12380.025.0002 | 7/16" | 5/16" | 5/16" | - | Jam Hex | Rockwell B68-C32 | - | - | 100 | €7.09 | |
| G1 | 4RXU8 | 7/16" | 13/64" | 1/8" | -0°F to +250°F | Jam Hex | Rockwell C32 | Chemical Resistant, Impact Resistant, Temperature Resistant, Vibration Resistant | - | 3500 | €172.72 | |
| C | U12300.025.0001 | 7/16" | 5/16" | - | - | - | Rockwell B68-C32 | - | - | 100 | €6.82 | |
| H1 | U12423.025.0001 | 7/16" | 0.238" | - | - | Jam Hex | Rockwell B68-C32 | - | - | 100 | €7.07 | |
| I1 | U12320.025.0002 | 7/16" | 5/16" | 5/16" | - | Standard Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 100 | €12.19 | |
| J1 | U12705.031.0001 | 9/16" | 5/16" | 5/16" | -0°F to +250°F | Heavy Jam Hex | Rockwell B68-C32 | - | - | 100 | €29.96 | |
| C | U12320.037.0002 | 9/16" | 15/32" | 15/32" | -58°F to +302°F | Standard Hex | Rockwell B68-C32 | - | - | 50 | €7.72 | |
| K1 | U12705.037.0001 | 9/16" | 13/32" | 13/32" | -0°F to +250°F | Heavy Jam Hex | Rockwell B68-C32 | - | - | 50 | €35.75 | |
| C | U12423.037.0001 | 9/16" | 15/32" | 5/32" | - | Jam Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 50 | €6.24 | |
| L1 | U12300.037.0001 | 9/16" | 15/32" | 15/32" | -58°F to +302°F | Standard Hex | Rockwell B68-C32 | - | - | 50 | €7.66 |





































