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Product Specifications:
| Item | Lock Nut |
| Finish | Cadmium Plated |
| Grade | Grade 2 |
| Hex Height | 13/32" |
| Hex Type | Standard Light Hex |
| Hex Width | 15/16" |
| Lock Type | Flexible Top |
| Material | Steel |
| Material Grade/class | Grade 2 |
| Max. Temp. | 1200°F |
| Min. Temp. | -70°F |
| Nut Height | 0.759" |
| Nut Type | Top Lock |
| Nut Type | Flexible Top |
| Removable | Yes |
| Resistance Properties | Impact Resistant, Shock And Vibration Resistant, Temperature Resistant |
| System Of Measurement | Imperial |
| Thread Direction | Right Hand |
| Thread Fit | 3B |
| Thread Size | 5/8"-18 |
| Type | Top Lock |
Shipping Info:
| Ship weight (kg) | 0.9 |
| Ship height (cm) | 1.02 |
| Ship length (cm) | 3.05 |
| Ship width (cm) | 2.36 |
| Country of Origin | US |
Product Variants
| Product | Model | Hex Width | Nut Height | Hex Height | Thread Fit | Thread Direction | Material Grade/class | Lock Type | Hex Type | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
20FAF-714 | 5/8" | 0.462" | 13/64" | 2B | Right Hand | Grade 2 | Flexible Top | Standard Light Hex | 25 | €139.10 | |
![]() |
21FA-1024 | 3/8" | 0.243" | 5/64" | 3B | Right Hand | Grade 2 | Flexible Top | Standard Light Hex | 100 | €178.97 | |
![]() |
21FA-832 | 11/32" | 0.243" | 7/64" | 3B | Right Hand | Grade 2 | Flexible Top | Standard Light Hex | 100 | €128.42 | |
![]() |
21FAF-518 | 1/2" | 0.353" | 5/32" | 2B | Right Hand | Grade 2 | Flexible Top | Standard Light Hex | 100 | €178.00 | |
![]() |
21FAF-714 | 5/8" | 0.462" | 13/64" | 2B | Right Hand | Grade 2 | Flexible Top | Standard Light Hex | 25 | €194.03 | |
![]() |
21FC-428 | 7/16" | 8/25" | 9/64" | 3B | Right Hand | Grade 2 | Flexible Top | Standard Light Hex | 100 | €142.93 | |
![]() |
21FC-524 | 1/2" | 0.353" | - | - | Right Hand | - | - | - | 100 | €284.71 |
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FLEXLOC 31FC-1018 Locknut, 5/8 In - 18 Thread Size, Flexible Top, 15/16 In Hex Wd., Top Lock, Gr. 2, Steel
€186.98 /pack







