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| Customization: | Available |
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| Material: | Stainless Steel |
| Type: | Hexagon Head |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Jinmao brand U-shaped lock nut
The U-shaped structure anti loosening principal technology has obtained a national invention patent with patent number ZL 2021 1 0487670.0.
We transfer the position of the vibration force by changing the structure of the nut, transmitting the vibration force to the top of the nut, forming a centripetal tightening force, achieving the best anti loosening effect, and creatively achieving:
One nut can prevent loosening
Repeated installation and never loosening
The vibration stronger, the grip tighter
Jinmao brand U-shaped anti loosening nuts can be applied to vibration and anti loosening scenarios and products such as aerospace, national defense , rail transit, automotive wind power, national power grid, nuclear power, bicycles, household appliances, high-end equipment, etc.
| Name | Jinmao brand U Shape Hex Lock Nut |
| Place of Origin | Jiaxing, Zhengjiang, China |
| Size | Metric (M4-M24) / UNC/UNF (1/4"-3/4") or non-standard as request&design |
| Finish | Zinc Plated / Nickel Plated / Black Oxide / Passivation |
| Head Type | Hex head |
| Material | Carbon Steel / Stainless Steel (304/316) |
| Grade | A2;A4;8.8;10.9;12.9 |
| Standard | Customization |
| Non-standards | OEM is available, according to drawing or samples |
| Package | Bulk in master cartons, then on pallets, or according to customers' requirement. |
| Payment | T/T ,LC |








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Product Name
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English Brand | Model Name | Article No | Unit | Packing Unit |
Packing Instruction |
Quantity of included products |
MOQ | Goods in Stock | Delivery |
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JinMAO
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JMAO | M4 | JMSSM17-4 | Piece | Bag |
The packaging quantity varies according to the production batch. It can be customized according to customer requirements. |
1000 | 1 | Y | 25DAY |
| M5 | 1000 | Y | ||||||||
| M6 | 1000 | Y | ||||||||
| N8 | 500 | Y | ||||||||
| M10 | 200 | N | ||||||||
| M12 | 200 | N | ||||||||
| M14 | 200 | N | ||||||||
| M16 | JMCS1035K | BOX | 200 | Y | ||||||
| M20 | 200 | Y | ||||||||
| M22 | 150 | N | ||||||||
| M24 | 150 | Y |





