Shenzhen Qiangtuo Fastener Co., Ltd
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7x24h screws factory service available

7x24h screws factory service available

QT factory is professionally producing all kinds of machine screws, self tapping screws. Especially in small screws zone, QT can meet our clients' needs 100%. We provide 7x24h screws service, enquiry will be replied within 2 hours. We provide an online dedicated support and our highly professional customer service representives are available. QT factory, your wise screws factory choice!!!

QT ISO9001:2015 annual audit successfully

QT ISO9001:2015 annual audit successfully

On July 13th ,this date which is QT 2019 annual ISO9001:2015 audit day. The below pictures are QT staffs and  the official staff from the regulator . ISO 9001:2015 specifies requirements for a quality management system when an organization: a) needs to demonstrate its ability to consistently provide products and services that meet customer and applicable statutory and regulatory requirements b) aims to enhance customer satisfaction through the effective application of the system, including processes for improvement of the system and the assurance of conformity to customer and applicable statutory and regulatory requirements. All the requirements of ISO 9001:2015 are generic and are intended to be applicable to any organization, regardless of its type or size, or the products and services it provides. As a qualified screws factory ,QT always put quality first,quality is our soul. As a reliable and trustworthy screws factory, we alywas try our best to meet customers' needs.

Valve equipment screws from QT Fastener

Valve equipment screws from QT Fastener

QT company has over 17 years screws producing experience. All kinds of machine screws are available. The below pictures are our application for the valve machines/equipment. Combination screws like GB9074.7 are widely and high volume used in the valve machines. Picture 01 Picture 02 Picture 03

QT screws  are highly appreciated by our clients

QT screws are highly appreciated by our clients

QT screws has over 17 years production experience. Widely used in various industries. QT machine screws are highly appreciated by our clients. (soldering machine/equipment) The below contents are pictures from one of our long-term cooperation customers. We are their golden supplier for many years. Picture 01-(screws on the circuit board) Picture 02-(client plant) Picture 03-(client plant)

Visiting our customer as a golden supplier

Visiting our customer as a golden supplier

On 18th Feb.,we were invited to one of our customers as their golden supplier. (pictures of certificates) The below pictures showed some of their starring products.(laser machine screws) Our QT Fastener factory is mainly professionally supplying all kinds of screws,bolts ,nuts  etc. We are golden supplier of many our customers. We always try our best to provide qualified products and competitive price. That is why more and more customers choosing us . Choosing QT, Choosing reliable partner,let's get a brighter future together.

Spring Festival holiday schedule

Spring Festival holiday schedule

Dear customers, Our company Spring Festival holiday will be during 2019.1.28-2019.2.12 . Totally 15 days. We will deliver the goods on Feb. 13. We sincerely apologize for the inconvenient to you. You can connect us when you need our help. HP/Skype/Whatsapp/Wechat:+8618813901699 Kindly note this pls. Shenzhen Qiangtuo Fastener Co., Ltd 

World market of QT

World market of QT

Shenzhen QT Fastener Co.,Ltd marketing network is all over the world. QT mainly supplys standard and non-standard fasteners pieces: machine screws,self tapping screws,nuts,bolts,pins,rivets,retaining rings etc. Over 17 years of factory producing experience, diversified standard and non-standard pieces can meet different needs,Get top quality machine screws,self tapping screws,etc,welcome to here.

QT team members in Shenzhen International marathon

QT team members in Shenzhen International marathon

CMSK OTC 2017 Shenzhen Baoan Intrenational Marathon One of the athletes of QT. All of the athletes take group photos QT fastener factory is producing various kinds of screws such as:machine screws,self tapping screws,nuts and bolts,washers,pins,rivets,retaining ring etc. Welcome your enquiry.

QT factory participating fire-drill

QT factory participating fire-drill

In order to prevent fire,our company participated fire-drill on 3 Sept 2018.This activity is organized by fire policeman. We all devote ourselves to take active part in this activity. QT always put management of safety production firstly. As we know that safety is the most important thing. We are appreciated by the administrative department. Production safety is our company's first priority.  Safe storage is our basic requirement. QT will follow the administrative policies . We will keep high standard safety management to reassure our customers. We are fastener factory producing machine screws,self tapping screws,nuts and bolts,washers,pins,rivets,retaining ring etc. Welcome your enquiry.

QT screws used for touch AD machine

QT screws used for touch AD machine

Touch AD machines are very popular nowadays. QT is an qualified supplier and reliable Machine Screws/nuts/bolts manufacturer in China. Our customers appreciate our products and services. Customers are our god,quality is our soul. QT will keep high quality standards all the time. Welcome your enquiry.


Carbon Steel Copper Plated Machine Thread Stud Welding Screw

M6 M8 M10 Brass Copper Plated Stud Welding Screws and Nuts

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product details

Carbon Steel Copper Plated Machine threaded stud welding screws

Machine threaded stud welding screws can also be called welded bolts or spot welding screws. The main use is 304 stainless steel, welded bolt mechanical screws and solder joints. The cost is low and simple, and it is widely used in power plants, electric control cabinets, buildings, shipbuilding, bridges and other fields.
M6 M8 M10 brass copper plated stud welding screw and nut.

Available Materials:

Steel:C45(K1045), C46(K1046),C20,etc.

Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58),

C27200CuZn37), C28000(CuZn40),etc.

Iron: 1213, 12L14,1215,etc.

Aluminum: Al6061, Al6063, etc.

Alloy steel: SCM435,10B21, C10B33,etc.

Bronze: C51000, C52100, C54400, etc.

Stainless Steel: SS201, SS302,SS303, SS304, SS316, SS410, SS420

Tatinium: TA1,TA2,TC4

Screw Feature

Product name:Machine threaded stud welding screws


Place of Origin:Shenzhen,China


Non-standards:OEM is available,according to drawings or samples

Samples:Samples are free

Package:In standard exported packing,or according to customers' requirement

Payment:T/T,L/C,or others

Finish:Plain,ZP,YZP,HDG,or customized

Material:Carbon Steel,stainless steel or customized

Hardness:Grades customized

Screw Application

Machine thread stud welding screw

Series Show

Machine thread stud welding screw

Machine screws:a machine screw is usually described as small diameter bolt. It features a straight ,untapered shank and a blunt end. QT supply various kinds of machine screws.Standard and non-standard are available.
Nuts: metric nuts and customized sizes for your choosing.

Bolts: metric bolts and customized sizes, all kinds of types such as wing bolts,eye bolts,expansion bolts etc.

Self tapping screws:self tapping screws series including drywall screws,chipboard screws,self drilling tapping screws,sheet metal screws,wood screws.
Hex & Hex socket screws:both hex and hex socket screws are available. We have rich experience over 17 years.

Others:washers,pins,rivets,retaining rings

Company profile

Machine thread stud welding screw


Q1: What will you do for after sales?

A1: When our metal parts apply to your products, we will follow up and await you feedback. Any question related to our metal parts, our experienced engineers are ready to help.

Q2: What do you need to provide a quote?

A2: Please kindly send us the drawing of your product. Details below should be included,

A. Materials B. Surface Finish C.Specifications D.Quantity

Q3: How does the payment process work?

A3: Payment terms are flexible for us in accordance with specific conditions. Generally we advise 50%TT deposit, balance be paid before shipment.

Get high quality Machine Thread Stud Welding Screw is here,factory price and sample is free.
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