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Countersunk Head Self Drilling Screw

Countersunk Head Self Drilling Screw

This is Jiaxing Chishing Precision Hardware Technology Co.,Ltd. Jiaxing Chishing® have been specializing in Countersunk head self drilling screws production for 16 years and It also cooperates with customers in the United States,Russia,Britain,Germany, Switzerland,Brazil, Chile,Singapore,Thailand,India and other countries.We hope to find a way to cooperate with you!
Our factory mainly produces drywall screw,pallets screw, chipboard screw,straw rope screw,self tapping screw, Countersunk head self drilling screws,bolts and nails etc.on the premise of quality first and affordable price.Samples can be sent free of charge when placing an order.
If you have any questions about the specification or model, please contact me.Looking forward to talking to you as soon as possible!

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Product Description

Characteristics and applications of Jiaxing Chishing® countersunk head self drilling screws

1. Countersunk head self drilling screws is a kind of screw with drill bit. It is constructed by special electric tools. Drilling, tapping,fixing and locking are completed at one time.Self drilling and self tapping screws are mainly used for the connection and fixation of some thin plate parts,such as the connection between color steel plates and color steel plates,the connection between color steel plates and purl-ins,wall beams, etc.their penetration capacity is generally not more than 6mm, and not more than 12mm.

2.Countersunk head self drilling screws are often exposed outdoors and have strong corrosion resistance;The rubber sealing ring can ensure that the screw is impermeable and has good corrosion resistance.

3.Countersunk head self drilling screws are also suitable for wood materials,which are generally operated manually.

4. Countersunk head self drilling screws is the combination of tap and bolt.The front is a tap and the back is a thread.On general soft materials, drill a hole and screw it in directly.The thread is tapped out by the tap,and then the bolt thread is strong.If the screw diameter is small,the material is soft.You may not even need to punch holes first, such as screwing into wood.

5. Countersunk head self drilling screws are usually described by three parameters:screw diameter series,number of threads per inch length and screw length.There are 10 and 12 levels of screw diameters,and the corresponding screw diameters are 4.87mm and 5.43mm respectively;There are 14,16 and 24 threads per inch length.The more threads per inch length,the stronger the self drilling ability.

The process is controlled layer by layer,and everyone pays attention to quality.

(1) Quality:Products use high-quality materials to ensure quality. We have a professional QC team to inspect every project from production to packaging.And before leaving the factory,all specifications of products are sampled and tested to ensure stable quality.We guarantee the high-quality coating and low roughness of screws.

(2) Product features:Straight,not easy to break,sharp thread, good drill ability.

(3) Strict quality control:For each order,the quality control department will conduct strict inspection before delivery.Poor quality will be avoided in the door.

(4) Transportation:We have transportation department and freight forwarder,so we can ensure faster delivery and better protection of goods.

(5) Efficiency:Fast production time,only 260 minutes away from the nearest Shanghai port.

(6) Service:Customer service answers customer questions online 24 hours a day,and uses high-quality materials to ensure quality.

Product display of countersunk head self drilling screw

Countersunk head self drilling screw product parameter


Self Drilling Screw

Product Name

Countersunk Head Self Drilling Screw






Carbon Steel(C1022A)

Surface Treatment

Zinc Plating,Nickel Plating

Head Type

Countersunk Head

Groove Type



Drill Point or Sharp Point








Good Anti Corrosion Ability

HS Code








Wooden Furniture/Metal Plate



Transport Package

Bulk,Bag,Box,Plastic Barrel


FOB Ningbo or Shanghai port

Payment method


Delivery Time


Production Capacity



Zhejiang China

Support for Custom


Product advantages:

1. Use good quality material to ensure the quality

2. High quality coating and low roughness

3. Straight,not easy to broken

4. Sharp thread,good drilling

5. Stable quality

6. Fast production time

Instructions for the use of Jiaxing Chishing® countersunk head self drilling screws

Tools for installing countersunk head self drilling screws:the screwdriver is its loading and unloading tool,and its shape matches the groove shape of the countersunk head self drilling screws;In addition, there is a special screw driver installed on the bow drill,which is suitable for loading and unloading larger countersunk head self drilling screws,which is more convenient and labor-saving.Another thing to pay attention to is that countersunk head self drilling screws must be screwed in with a screw driver.Never knock in with a hammer,which will damage the surrounding wood.

Packing method of countersunk head self drilling screws

We usually use bulk,color box,Kraft carton,PC plastic box,PC plastic bucket,tray and other packaging methods.

Of course, customers can also customize.

Company introduction

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