Non-Standard Square type Wafer head Combined Sems   Machine Screw ,with washer​
 
The Square Cone SEMS provides a higher retained clamp load and improved compensation for thermal cycling and vibration. They can accept a high clamp load and still maintain their spring action. The washer design makes for better control during installation and provides better tool bit life. They are ideal for clamping fragile materials and for spanning large clearance holes.
 
Application :

Use on Piano 

 Size 

 
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 .