High Voltage Transmission Line
We have got 220kV Transmission Line Steel Pole Quality Certificate
from Power Industry Steel Tower Qualified Inspection & Test Center
from 2001 year.
Our steel poles are made from quality sheet through bending, forming,
automatic welding and hot galvanization. We can reach one-run machining
length of 14m and can bend sheet of thickness up to 45mm. We adopt
advanced welding procedures, automatically weld main joints and reach
rank-II welding quality. We supply more than 4000ton Substation
Structure for our clients every year.
Transmission Line Steel Pole, Utility Pole, Steel Tubular Pole, High Voltage Transmission Line Jiangsu Xinjinlei Steel Industry Co., Ltd. , https://www.steelpolejl.com
304/316/410 Stainless Steel Philips Flat Head Self Drilling Screw #3 Tek Point
Self drilling screws have a drilling tek point. Flat heads are countersunk (cone shaped under the head) with a flat top. Phillips drive is installed with a phillips screw driver.
The self-drilling screws are made of stainless steel and have a sheet metal thread with a self-drilling cutting  point to pierce through metal steel, aluminium, wood etc., including structural steel.
The higher the TEK number the larger the drilling point to pierce heavier gauge metals. Different stainless mode for different applications.
Application
SUS304/316:Â Aluminum to Aluminum or thin metal to thin metal
SUS410/435:Â Â Metal to Metal(including stainless steel)
Specification
Â
Type
Self Drilling Screw /Â Tek Screw
Grade
SUS304, SUS316, SS410 /Â 435, or bi-metal
Head Type
Flat /Â Countersunk
Drive Type
#3 Tek Point (#4 ~Â #7 also available)
Diameter
#8 ~Â 1/4", 4.2 ~Â 6.3mm
Length
1" ~Â 10", 25.0 ~Â 250mm
Standard
DIN, ANSI, JIS, GB
OEM/ODM
Available
Stock
Unavailable
Contact
If you're insterested in our Products, please do not hesitate to send us an email  or call us at +86 18072687675 (Mobile)directly. 
Â
Product Description:
304/316/410 Stainless Steel Philips Flat Head Self Drilling Screw #3 Tek Point
Self drilling screws have a drilling tek point. Flat heads are countersunk (cone shaped under the head) with a flat top. Phillips drive is installed with a phillips screw driver.
The self-drilling screws are made of stainless steel and have a sheet metal thread with a self-drilling cutting  point to pierce through metal steel, aluminium, wood etc., including structural steel.
The higher the TEK number the larger the drilling point to pierce heavier gauge metals. Different stainless mode for different applications.
Application
SUS304/316:Â Aluminum to Aluminum or thin metal to thin metal
SUS410/435:Â Â Metal to Metal(including stainless steel)
Specification
Â
Type
Self Drilling Screw /Â Tek Screw
Grade
SUS304, SUS316, SS410 /Â 435, or bi-metal
Head Type
Flat /Â Countersunk
Drive Type
#3 Tek Point (#4 ~Â #7 also available)
Diameter
#8 ~Â 1/4", 4.2 ~Â 6.3mm
Length
1" ~Â 10", 25.0 ~Â 250mm
Standard
DIN, ANSI, JIS, GB
OEM/ODM
Available
Stock
Unavailable
Contact
If you're insterested in our Products, please do not hesitate to send us an email  or call us at +86 18072687675 (Mobile)directly.Â
Â
Stainless Steel Philips Flat Self Drilling Screw with Fine Thread
Heat Treatment: Hot-Working
Delivery: 30-40 Days
Applied Area: Building, Machinery, Auto, Car Wheel
QC Equipment: Salt Spray Machine, Hardness Testor, Caliper
Brand: Gl
Process: Cold Forming
Specialty: OEM, ODM
Sample: Free Sample in Store
QC Control: Inspect 30mins in Production and Before Delivery
Service: Response in One Hour
Trademark: Global
Specification: (Dia)M3.5-6.3*(Length)9.5-200mm
Origin: China
HS Code: 7318149001
Heat Treatment: Hot-Working
Delivery: 30-40 Days
Applied Area: Building, Machinery, Auto, Car Wheel
QC Equipment: Salt Spray Machine, Hardness Testor, Caliper
Brand: Gl
Process: Cold Forming
Specialty: OEM, ODM
Sample: Free Sample in Store
QC Control: Inspect 30mins in Production and Before Delivery
Service: Response in One Hour
Trademark: Global
Specification: (Dia)M3.5-6.3*(Length)9.5-200mm
Origin: China
HS Code: 7318149001
Product Description: