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 .