Jiaxing Goshen Hardware Supplies Co,Ltd

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    Black Nylon Lock Nut

    Quality of Nuts generally are specified as Class 5, 8, 10, 12 for metric series (DIN/ISO/JIS) while inch series marked as Grade 2, 5, 8 as per SAE requirement.Materials used for manufacturing nut

    1. Detailed information

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    1. Standard:DIN,ISO,ANSI/ASME,etc

    2. Grade :Carbon Steel :4.8/6.8/8.8/10.9/12.9

    3. Size : M5-M24

    4. Surface: Black O

    5. ISO RoHS approve

    6. Material certificate can be provide if needed.

    7. Delivery term, FOB Shanghai, Ningbo, Ex-works, CNF, CIF, etc.

    8. Packing details, Bags+Catons+Pallets, or according to clients` requirement.


    Black Nylon Lock Nut

    Place of Origin



    M5-M24 or non-standard as requst&design


    Black Oxide

    Head Type

    Hexagon  head


    Carbon Steel


    Carbon Steel :4.8/6.8/8.8/10.9/12.9




    Samples are free


    Bulk in master cartons, then on pallets, or according to customers' requirement.


    T/T or L/C

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    Why choose us? 

    1 Professional manufacturer for bolt,nut,screw,washer,threaded rod, anchor, PEM Fastener,CNC lathe machined parts, automatic lathe parts,milling machine parts ect. 

    2 More than 6 years experience.  

    3 100% inspection on critical dimensions with high accuracy +/-0.01-0.05mm according to requirement. 

    4 Shortest delivery time and Best service.

    5 Hight Quality and Competitive price.


    The lock nut is a kind of nut widely used in machinery and other industries. Its working principle is to use the friction between the nut and the bolt for self-locking. However, the reliability of this self-locking will be reduced in dynamic loads