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tel:
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email:
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Self Drilling Screw
Self Drilling Screw
Self drilling screws have a point that acts as a drill bit and sharp cutting threads that tap the hole during installation. Self drilling screws are a commonly used variety of screw for quick drilling into both metal and wood.
Email: marketing@gntcn.com
Tel: 86 13761105129
Product Features:
Standard:DIN7504N，GB /T 15856.1，ISO 15481，DIN EN ISO 15481
Size:ST3.5-ST6.3
Material:Carbon Steel(C1018, C1022, CH22A),Stainless Steel,
Head type:flat CSK, oval, pan, fillister, truss, hex, hex washer, round, cheese
Drive type:Phil, slotted, torx, square, phil& slotted combination
Thread type:BSD, CSD
Finish:Zinc Plated(Clear/Blue/Yellow/Black),HDG, PTFE.
Trade Term:FOB/CIF/CFR/CNF/EXW/DDU/DDP
Payment:T/T, L/C, West Union,Paypal.Etc
Market:Europe/South&North Amrica/East&South East Asia/Middle East/Australia And Ect.
|
螺纹规格 |
ST3.5 |
(ST3.9) |
ST4.2 |
ST4.8 |
ST5.5 |
ST6.3 |
|
|
P |
flank pitch |
1.3 |
1.3 |
1.4 |
1.6 |
1.8 |
1.8 |
|
a |
max |
1.3 |
1.3 |
1.4 |
1.6 |
1.8 |
1.8 |
|
dk |
max |
6.9 |
7.5 |
8.2 |
9.5 |
10.8 |
12.5 |
|
min |
6.54 |
7.14 |
7.84 |
9.14 |
10.37 |
12.07 |
|
|
k |
max |
2.6 |
2.8 |
3.05 |
3.55 |
3.95 |
4.55 |
|
min |
2.35 |
2.55 |
2.75 |
3.25 |
3.65 |
4.25 |
|
|
r |
max |
0.5 |
0.5 |
0.6 |
0.7 |
0.8 |
0.9 |
|
R |
≈ |
5.4 |
5.8 |
6.2 |
7.2 |
8.2 |
9.5 |
|
slot number |
2 |
2 |
2 |
2 |
3 |
3 |
|
|
M1 |
≈ |
4.2 |
4.4 |
4.6 |
5 |
6.5 |
7.1 |
|
M2 |
≈ |
3.9 |
4.1 |
4.3 |
4.7 |
6.2 |
6.7 |
|
dp |
max |
2.8 |
3.1 |
3.6 |
4.1 |
4.8 |
5.8 |
|
drilling range（thick plate） |
0.7~2.25 |
0.7~2.4 |
1.75~3 |
1.75~4.4 |
1.75~5.25 |
2~6 |
|
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