security screw of nylok anti-loose screw

Testing instruments:

   To ensure the quality and performance of the manufacturing, as a China screw manufacturer, our company is equipped with all kinds of professional testing equipment: universal testing machine, hardness tester, torque, metallographic analyzer, projectors, imager, and salt spray test machine and so on. Professional inspection: digital micrometer, inside and outside diameter micrometer, a micrometer head, triangular thread odd micrometer, a few significant vernier caliper, thread ring gauges and thread plug gauge and other professional testing equipment.

Details:

1.Specific Material:

1)Stainless Steel:SS302, SS304, SS316,(goodtenacity)

2)Steel:C45(K1045), C46(K1046),C20

3)Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58),C27200CuZn37), C28000(CuZn40)

4)Bronze: C51000, C52100, C54400, etc

5)Iron: 1213, 1214,1215

6)Aluminum: Al6061, Al6063 etc

7)Carbon steel:C1006,C1010,C1018,C1022,C1035K,C1045

8) Alloy steel:SCM435,C10B21,C10B33

9)othermaterial:UNS C11000 Copper

2.Size: M2-M12and depend on the concrete orders

3.Head Code: Flat,oval,round,pan ,truss,hex

4.Drive Code: Slotted,phillips,phil-slot,hex socket,one way

5.Standard: GB ,DIN, JIS, ANSI ,non-standard

6.Finish Code: Heat-treatment,Znic-platnted,Mickel-plated,Electroplating,Oxidation

7.Certification: ISO card

8.Packing: Using PE bag inside, carton(23*33mm) outside or depend on the customer’s requirements

9.Payment Terms: T/T, western union

10.Delivery: road transportation,inland water transportation,parcel post transportation.3-10days after the order was confirmed,

11.After Sales Service: We provide the best service after sales, please contact with us in time