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Product Specifications:
| Item | Hex Locknut |
| Class | Not Applicable |
| Dimensional Standards | Asme B18.16.6 |
| Finish | Zinc Plated |
| Grade | Grade 2 |
| Hardness | Rockwell B68-C32 |
| Hex Height | 5/16" |
| Hex Type | Heavy Jam Hex |
| Hex Width | 9/16" |
| Lock Type | Nylon Insert |
| Material | Steel |
| Material Grade/class | Grade 2 |
| Nut Height | 5/16" |
| Nut Type | Nylon Insert Lock Nut |
| Nut Type | Nylon Insert |
| System Of Measurement | Imperial |
| Temp. | -0°F to +250°F |
| Thread Direction | Right Hand |
| Thread Size | 5/16"-18 |
| Thread Type | Coarse |
| Type | Standard Hex |
Shipping Info:
| Ship weight (kg) | 0.69 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 16.99 |
| Ship width (cm) | 16.99 |
| HS code | 7318160085 |
| Country of Origin | TW |
Product Variants
| Product | Model | Hex Width | Nut Height | Hex Height | Temp. | Hex Type | Hardness | Resistance Properties | Rockwell Hardness | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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U12300.056.0001 | 7/8" | 25/32" | 25/32" | - | Standard Hex | Rockwell B68-C32 | - | - | 25 | €12.35 | |
![]() |
U12320.056.0002 | 7/8" | 25/32" | 25/32" | - | Standard Hex | Rockwell B68-C32 | Corrosion Resistant | Hrc 28 Max. | 25 | €21.44 | |
![]() |
12P612 | 1 1/16" | 7/8" | 7/8" | -0°F to +250°F | Standard Hex | Rockwell C32 | - | - | 20 | €14.13 | |
![]() |
U12300.043.0001 | 5/8" | 3/4" | 3/4" | - | Standard Hex | - | - | - | 25 | €4.79 | |
![]() |
U12300.050.0001 | 3/4" | 3/5" | 19/32" | - | Standard Hex | - | - | - | 25 | €16.59 | |
![]() |
U12300.062.0001 | 15/16" | 3/4" | 3/4" | - | Standard Hex | - | - | - | 10 | €8.33 | |
![]() |
U12300.075.0001 | 1 1/16" | 0.888" | 57/64" | - | Standard Hex | - | - | - | 10 | €9.12 |
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APPROVED VENDOR U12705.031.0001 Hex Locknut, 5/16 In - 18 Thread Size, Nylon Insert, 9/16 In Hex Wd., Std Hex, Gr. 2
€29.96 /pack







