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  • CSK Head Self Drilling/Tapping Screw
  • CSK Head Self Drilling/Tapping Screw
  • CSK Head Self Drilling/Tapping Screw
  • CSK Head Self Drilling/Tapping Screw

CSK Head Self Drilling/Tapping Screw

The head of CSK head self tapping/drilling screw is a 90-degree centrum, similar to the common wooden screw.

Product Description

1. Introduction

The head of CSK head self tapping/drilling screw is a 90-degree centrum, similar to the common wooden screw. The head of normal screw will protrude from the surface of the connected object, making the surface lose its flatness. But the CSK head screw can be under the surface of material to make it smooth. This is the biggest advantage.

The product is processed by heat treatment and carburization technology, its surface is galvanized with good anti-corrosion performance, including white-blue zinc plated, yellow zinc plated, color zinc.


2. Application

It is used to connect the wood board and iron plate, and between steel sheets. It can be directly drilled into the hole by electric tools without tapping.

3. Specification

MaterialC1022, 1022A
Diameter8#:4.2mm
Length14mm-75mm
FinishWhite-blue zinc plated, yellow zinc plated, color zinc
Head typeDIN7504P CSK head
PointSharp point or self-drilling point
Packing1000pcs/800pcs/500pcs per box, or 1kg/25kg per bag
MOQTwo tons for each size
Delivery timeNormally in15-30 days


Pycnometer of self tapping screw white-blue zinc plated, C1022


CSK Head Self Drilling/Tapping Screw


Pycnometer of self drilling screw white-blue zinc plated, C1022


CSK Head Self Drilling/Tapping Screw


4. Production process

CSK Head Self Drilling/Tapping ScrewCSK Head Self Drilling/Tapping ScrewCSK Head Self Drilling/Tapping Screw
1. Raw material2. Cold upsetting3. Rolling thread
CSK Head Self Drilling/Tapping ScrewCSK Head Self Drilling/Tapping ScrewCSK Head Self Drilling/Tapping 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.

CSK Head Self Drilling/Tapping ScrewCSK Head Self Drilling/Tapping ScrewCSK Head Self Drilling/Tapping Screw

C) Weigh test

D) Check size

D) Check size

CSK Head Self Drilling/Tapping ScrewCSK Head Self Drilling/Tapping Screw

E) Attack speed test

F)72-hours salt pray test


6. Packing & Shipment

High-grade package:

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

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

C) Package can be customized as per client's requirement.

CSK Head Self Drilling/Tapping ScrewCSK Head Self Drilling/Tapping Screw

CSK Head Self Drilling/Tapping Screw

CSK Head Self Drilling/Tapping ScrewCSK Head Self Drilling/Tapping Screw


Shipping: By LCL or FCL Sea Shipment;

CSK Head Self Drilling/Tapping ScrewCSK Head Self Drilling/Tapping Screw
CSK Head Self Drilling/Tapping ScrewCSK Head Self Drilling/Tapping Screw
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  • E-mail: evershine@188.com
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