We are a professional manufacturer of high quality fasteners specialized in:
Product Range: Bolts, Screws, Nuts, Thread Rods, Flat Washers, Stamping Parts, Automotive Parts, Special Parts, etc.
Material: Stainless Steel, Carbon Steel, Brass, etc.
Standards: DIN, ISO, ANSI, ASME, BSW, JIS, etc.
Market: Europe, North America, South America, Asia, Mid-East, Africa, etc.
Our factory mainly produce with:
* Good Service / Reasonable price / Best quality .
* Customized products are also welcomed .
If you have any inquiries, pls feel free to contact us!
Item |
Cross Recessed Raised Contersunk Self-drilling Tapping Screws DIN 7504 (P) |
Material |
Carbon Steel, Stainless Steel, Brass, etc. |
Size |
ST2.9-6.3 |
Customization |
Accepted as customer's drawing or sample |
Finish |
Plain, Black Oxide, Zinc Plated, Hot-Dip Galvanized, Electro Galvanized, Zinc Yellow-Chromate Plated, etc. |
Grade |
4.8, 5.6, 8.8, 10.9, 12.9, A2, A4, etc. |
Standard |
DIN, ISO, ANSI, ASME, BSW, JIS, etc. |
Sample |
Sample is free |
Package |
Bulk or small box in one normal carton then onto wooden pallet |
Delivery time |
30-60 days after receiving deposit |
Market |
Europe, North America, South America, Asia, Mid-East, Africa, etc. |
Thread Size |
ST2.9 |
ST3.5 |
(ST3.9) |
ST4.2 |
ST4.8 |
ST5.5 |
ST6.3 |
|
P |
Pitch |
a |
max |
dk |
max=nominal size |
min |
k |
≈ |
r |
max |
Socket No. |
M1 |
M2 |
dp |
max |
Drilling range(thickness) |
|
1.1 |
1.3 |
1.3 |
1.4 |
1.6 |
1.8 |
1.8 |
1.1 |
1.3 |
1.3 |
1.4 |
1.6 |
1.8 |
1.8 |
5.5 |
6.8 |
7.5 |
8.1 |
9.5 |
10.8 |
12.4 |
5.2 |
6.44 |
7.14 |
7.74 |
9.14 |
10.37 |
11.97 |
1.7 |
2.1 |
2.3 |
2.5 |
3 |
3.4 |
3.8 |
1.1 |
1.4 |
1.5 |
1.6 |
1.9 |
2.1 |
2.4 |
1 |
2 |
2 |
2 |
2 |
3 |
3 |
3 |
4.2 |
4.6 |
4.7 |
5.1 |
6.8 |
7.1 |
2.8 |
4 |
4.2 |
4.4 |
5 |
6.3 |
7 |
2.3 |
2.8 |
3.1 |
3.6 |
4.1 |
4.8 |
5.8 |
0.7~1.9 |
0.7~2.25 |
0.7~2.4 |
1.75~3 |
1.75~4.4 |
1.75~5.25 |
2~6 |
|





Q: What do I need for offering a quote
A: Please offer us 2D or 3D drawings (with material, dimension, tolerance, surface treatment and other technical requirement etc. ), quantity, application or samples.
Q: What is your MOQ?
A: MOQ depends on our client's needs. Besides, we welcome trial order before mass-prduction.
Q: What kind of payment terms do you accept?
A: T/T, L/C, Escrow, paypal, western union, moneygram, etc.
Q: Is it possible to know how is my product going on without visiting your company?
A: We will offer a detailed products schedule and send weekly reports with digital pictures and videos which show the machining progress.