Sdlf Drilling Screw
Drilling screw, also known as self-drilling screw, dovetail screw. The screw tail is drilling tail or sharp tail, no need to assist processing, in the assembly of the screw can drill out the center hole, and then with the help of the adjacent thread part in the carrier hole self-tapping extrusion cut out with the thread, so it is called self-drilling self-tapping screw, mainly used in the steel structure of the color steel tile fixed, can also be used for simple building sheet fixed, But can not be used for metal to metal binding fixed.
Bugle Head
Drywall screw for to steel
Gypsun board screw for steel
Material: Hardende Cabon Steel C1022A
Bugle head self-drilling screws used to fix metal sheet, thin iron sheet in installation. Fine thread, self-drilling point that allows bore into the metal sheet without pre-drilling holes.
Drive type: Philips, Pozi,Torx
Surface treatment: Phophated, Zinc plated
Salt spray test: 24H-96H
Surface hardness: 450HV
Core hardness:300-460HV
Bending angle:MIN 15°
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Countersunk Flat Head
Material: Hardende Cabon Steel C1022A
Countersunk Flat head, self-drilling screws used to fix metal sheet, thin iron sheet in installation. Fine thread, self-drilling point that allows bore into the metal sheet without pre-drilling holes.
Drive type: Philips, Pozi,Torx
Surface treatment: Phophated, Zinc plated
Salt spray test: 24H-96H
Surface hardness: 450HV
Core hardness:300-460HV
Bending angle:MIN 15°
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Pan Head
Material: Hardende Cabon Steel C1022A
Cross recessed Pan head, self-drilling screws used to fix metal sheet, thin iron sheet in installation. Fine thread, self-drilling point that allows bore into the metal sheet without pre-drilling holes.
Drive type: Philips, Pozi,Torx
Surface treatment: Phophated, Zinc plated
Salt spray test: 24H-96H
Surface hardness: 450HV
Core hardness:300-460HV
Bending angle:MIN 15°
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Truss Modified Head
Material: Hardende Cabon Steel C1022A
Modified truss head, self-drilling screws used to fix metal sheet, thin iron sheet in installation. Fine thread, self-drilling point that allows bore into the metal sheet without pre-drilling holes.
Drive type: Philips, Pozi,Torx
Surface treatment: Phophated, Zinc plated
Salt spray test: 24H-96H
Surface hardness: 450HV
Core hardness:300-460HV
Bending angle:MIN 15°
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
By providing quality parts with competitive pricing and consistent excellent services, we have earned our customers' trust developing strong partnerships.
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Our advantage:
High quality
Competitive price
Fast delivery
Best service.
WHY CHOOSE US?
1) We have our own factory, quality can be controlled seriously.
2) We Specialize in manufacturing about 10 years.
3) We have professional testing department and testing equipments.
4) Timely delivery and excellent service.
We use standard good materials and guarantee the quality,directly factory price is very competitive in the market.
Welcome inquiry!
Audited Supplier 
){kind=link}