
Black oxide carriage audio screws details:
Specific Material  | 1.Stainless Steel:SS302, SS304, SS316, (good tenacity)  | |
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  | ||
Size  | M2-M12and depend on the concrete orders  | 
Head Code  | Flat,oval,round,pan ,truss,hex  | 
Drive Code  | Slotted,phillips,phil-slot,hex socket,one way  | 
Standard  | GB ,DIN, JIS, ANSI ,non-standard  | 
Finish Code  | Heat-treatment,Znic-platnted,Mickel-plated,Electroplating, Oxidation  | 
Certification  | ISO card  | 
Packing  | Using PE bag inside, carton(23*33mm) outside or depend on the customer’s requirements  | 
Payment Terms  | T/T, western union  | 
Delivery  | road transportation,inland water transportation,parcel post transportation.3-10days after the order was confirmed,  | 
After Sales Service  | We provide the best service after sales, please contact with us in time  | 
The head and drive types we can provide:

 


