Cross Recessed Pan Head Combined Sems Machine Screw,Cr3 White zinc
Plated
Sems screws are machine screws that can have one or more flat or
lock washer under the head already assembled. Phillips pan head
machine screws are often used with nuts as well as driven into
tapped holes. In practice, they tend to be mostly available in
smaller sizes and the smaller sizes are referred to as screws or
less ambiguously as machine screws, although some kinds of machine
screw can be referred to as stove bolts.
We have SEMS screws with a single Flat Washer and we have them with
a double washer which consists of a Split Lock Washer and a Flat
Washer.
The combination screw countries expressed in GB9074 label.Common cross slot label is GB9074.8 first three combination screw
small countries.This. 8 refers to small head.Is often said that the pan head screw head size.With letters for the PM
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
| Norminal Sizes | W | H1 | G | F | T | R | M | Philips Driver Size |
| Head Dia | Height of Head | Recess Depth | Flat washer Dia | Flat washer Thickness | Split lock washer Dia | Split Lock washer material thickness |
| Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Ref |
| 4 | 0.219 | 0.204 | 0.08 | 0.07 | 0.071 | 0.053 | 0.382 | 0.369 | 0.045 | 0.036 | 0.208 | 0.194 | 0.031 | 1 |
| 6 | 0.27 | 0.255 | 0.097 | 0.086 | 0.08 | 0.055 | 0.445 | 0.432 | 0.045 | 0.036 | 0.261 | 0.247 | 0.034 | 2 |
| 8 | 0.321 | 0.305 | 0.115 | 0.104 | 0.097 | 0.071 | 0.507 | 0.494 | 0.045 | 0.036 | 0.319 | 0.304 | 0.031 | 2 |
| 10 | 0.373 | 0.356 | 0.133 | 0.121 | 0.113 | 0.089 | 0.569 | 0.556 | 0.045 | 0.036 | 0.373 | 0.358 | 0.047 | 2 |
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 .
