Cross Recessed Indented  Hexagon Head Combined Sems Self- Tapping Screw,Black Electrophoresis
 
Combination screw is a screw with a spring washers with a flat pad by thread rolling, combination of fastening assembly together.And two combination screw is a screw with only one ball pad or only with a flat mat, would you still can only go with a tooth of the assembly.
Self tapping Screw with fully threaded and  a sharp point ,used in a variety of applications ranging from DIY carpentry to surgery.

3. Applications:

2) Building . window and door , metal floor, steel structure and building beam etc

3) Heavy industry . Car , air , shipping , machinery and military equipments .

4) Electronic product .computer , calculator , telecontroller and phone etc
 


 

 
 

 
Question & Answer 
 
1. Payment : T/T (30% T/T in advance and balance 70% against copy of B/L)
                       L/C at sight 
 
2. Lead Time : If have stock , can be packing and ship within 10-15 days ,        
                        If not have stock , usually take 25-30 days to produce one container order .
 
3. Free Sample : For standard item , we can supply the samples free .  courier cost by the buyer.
                            For nonstandard item , we will quote the mould charge ineed,  but the mould charge can be return if bulk          order released .
 
4. OEM  : We  Can produce the drawing according to your drawing or samples , also can packing the products as customer's     request with LOGO  and company information on it 
 
5. How to place a order :
    Send inquiry -------quotation --------Confirm order (price ,lead time , technical detail with drawing and payment ) ---------pay    deposit -------Start to produce after got deposit ---------sample approve (if need) ------------ass produce -----send picture of packing for confirm------arrange shippment ---------send copy of B/L -------------Pay balance payment ----------send the documents for clearance ----------feedback 
 
6. Anyother question , welcome to contact us anytime .