Jiashan Chaoyi Fastener. Co,LTD
JIASHAN CHAOYI FASTENER CO.,LTD JIAXING CHAOYI TRADE CO.,LTD QUALITY FIRST , WIN-WIN BUSINESS , DEVELOP TOGETHER
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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:
1) Household electrical appliances
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
| d | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST6.3 | ST8 | |
| P | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 2.1 | |
| s | Max | 5 | 5.5 | 7 | 8 | 10 | 13 |
| Min | 4.82 | 5.32 | 6.78 | 7.78 | 9.78 | 12.73 | |
| k | Max | 2.3 | 2.6 | 3 | 3.8 | 4.7 | 6 |
| Min | 2 | 2.3 | 2.6 | 3.3 | 4.1 | 5.2 | |
| drive | 1 | 2 | 2 | 2 | 3 | 3 | |
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 .