A2 A4 DIN7981 #8 #10 #12 Pan Head Philips Self Tapping Metal Screws
The head of pan head screws is round, and it is also as "Phillips
head screws," What is the cross, it is the head of the screw is
cross-shaped, the cross is a cross with a fine blanking, stamping
made. For the material, phillips pan head screws are made of iron
which is into carbon steel, stainless steel is also divided. There
are three types of carbon steel, low carbon steel, middle carbon
steel, high carbon steel. Stainless steel also has different type:
stainless steel SUS201 stainless steel SUS304, stainless steel
SUS316, stainless steel SUS404 and the like.
For the surface treatment, phillips pan head screws ordinary plating color and environmental
protection. Common color plated is with zinc, white zinc, nickel,
black zinc, blue zinc, white zinc environmentally friendly and
environmental protection. Cross recessed pan head self-tapping
screws are used for non-metal or soft metal, do not hit the hole
and tapping low; self-tapping screws are pointed, so as to
"self-tapping"; Ordinary screw heads are flat. The self-tapping
screws is to drill hole without tap holes. The screws are different
with general screws.
Specifications and technical performance:
|Size||Diameter:#8 #10 #12|
|Length:1/2 1 1/2 3/4 1 1/4|
|3. Alloy steel||SCM435,C10B21,C10B33|
1. Auto-matic Machine Threading machines Sieving machine
2. Salt atmoshere testing machine, Go-No go gauge, image screening
3. Samples room. All kinds of screws.
4. Free samples.
5. Quick delivery, and much stock.
These equipment and machines can help produce high quality of screw