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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Hexagon Wafer / Flange Head Self Drilling Screw With Mark on Head Class4 Galvanised ,Roofing Tek Screw
Hex head Self Drilling Screws have some Drill Point, Such as Type T4 and T5 hex head drill point. these screws are designed for heavy gauge metal to metal framing applications. These screws feature NanoGard exterior grade coating for improved corrosion resistance.
Fast and Easy application into steel
They are suitable for fixing metal roofing to steel between 1mm and 5mm thick/metal to metal.
| Material | Carbon Steel , Stainless Steel | Size | 3.5mm/3.8mm/3.9mm/4.0mm/4.2mm /4.8mm /5.5mm |
| Length | 13mm/16mm-152mm | Thread Type | Tapping thread |
| Head Type | Bugle or Flat or Pan | standard | DIN 7504 |
| surface | Plain,Phosphate,Zinc Plated | Packing | Box+Carton+Pallet |
| Recess Type | Phillips, Pozi, Square,Torx | Port | Shanghai |
| Lead Time | 25 days-35days |
| D | ST2.9 | ST3.5 | ST4.2 | ST4.8 | STS.5 | ST6.3 | |
| P | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | |
| dk | MAX | 6.3 | 8.3 | 8.8 | 10.5 | 11 | 13.5 |
| MIN | 5.8 | 7.6 | 8.1 | 9.8 | 10 | 12.2 | |
| K | MAX | 2.8 | 3.4 | 4.1 | 4.3 | 5.4 | 5.9 |
| MIN | 2.5 | 3 | 3.6 | 4.8 | 4.8 | 5.3 | |
| S | MAX | 4 | 5.5 | 7 | 8 | 8 | 10 |
| MIN | 3.82 | 5.32 | 6.78 | 7.78 | 7.78 | 9.78 | |
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 .