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  • Hex Flange Self Drilling Screw
  • Hex Flange Self Drilling Screw
  • Hex Flange Self Drilling Screw
  • Hex Flange Self Drilling Screw

Hex Flange Self Drilling Screw

The Hex Flange Self Drilling Screw has hexagonal head and pointed tail, which can be drilled, tapped and locked directly on the material (steel plate), greatly saving the drilling time.

Product Description

1. Introduction

The Hex Flange Self Drilling Screw has hexagonal head and pointed tail, which can be drilled, tapped and locked directly on the material (steel plate), greatly saving the drilling time. It has the following advantages:

①Cold galvanized surface treatment with yellow zinc and white zinc.

②Carburizing and tempering treatment enhance the surface hardness, to ensure the strength.

The carburizing intensity is as follows:

4#-6#: 0.05-0.18mm

8#-12#: 0.10-0.23mm

14#: 0.13-0.28mm

③The rubber /PVC/Composite washer is waterproof and extends its life.


2. Application

The hex flange self drilling screw is used for fixing the connection of colored steel sheet on angle, channel, I-beam and C.Z purline in steel structure engineering. Also used in the assembly of automobile body, container, shipbuilding and refrigeration equipment.


3. Specification

MaterialC1022, 1022A
Diameter10#=4.8MM, 12#=5.5MM
Length16MM-125MM
FinishWhite-blue zinc plated, Yellow zinc plated
Head typeFlange Hex Head
PointSelf drilling
Packing1000pcs/800pcs/500pcs /250pcs per box, or 1kg/25kg per bag
MOQ2 Tons for each size
PortPort Tianjin, China
Delivery timeNormally in15-30 days

Hex Flange Self Drilling Screw

Hex Flange Self Drilling Screw

Hex Flange Self Drilling Screw


4. Production process


Hex Flange Self Drilling ScrewHex Flange Self Drilling ScrewHex Flange Self Drilling Screw
1. Raw material2. Cold upsetting3. Rolling thread
Hex Flange Self Drilling ScrewHex Flange Self Drilling ScrewHex Flange Self Drilling Screw
4. Hot treatment5. Galvanize/Parkerising6. Packing


5. Quality control

A) Purchase 1022A materials from famous brand factories in China to ensure the quality.

B) Follow up the production of every procedure, strictly follow the ISO9001 standard.

Hex Flange Self Drilling ScrewHex Flange Self Drilling ScrewHex Flange Self Drilling Screw

C) Weigh test

D) Check size

D) Check size

Hex Flange Self Drilling ScrewHex Flange Self Drilling Screw

E) Attack speed test

F)Salt spray test more than 72 hours.


6.Packing & Shipment

High-grade package:

A) 1kg/small plastic bag, or 25kgs / PP woven bag, then bags or cartons loaded on pallet;

B) 1000pcs / 800pcs / 500pcs / 250pcs per small box, then small boxes into cartons;

C) Support customized packaging.


Hex Flange Self Drilling ScrewHex Flange Self Drilling Screw

Hex Flange Self Drilling Screw

Hex Flange Self Drilling ScrewHex Flange Self Drilling Screw


Shipping: By LCL or FCL Sea Shipment;


Hex Flange Self Drilling ScrewHex Flange Self Drilling Screw
Hex Flange Self Drilling ScrewHex Flange Self Drilling Screw
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