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Changzhou Wan You Fastener Co., Ltd.
Changzhou Wan You Fastener Co., Ltd. Professional Manufacturer Of SS Self Drilling Screws、Self Tapping Screws、Deck Screws、Timber Screws.
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CSK Head Compound Self Drilling Screw , Flat Head Bi Metal Self Drilling Screws

CSK Head Compound Self Drilling Screw , Flat Head Bi Metal Self Drilling Screws

Brand Name : Chengyue
Model Number : DIN7504k
Certification : CE / ISO9001-2015
Place of Origin : China
MOQ : 100000 Pieces / 500 KGS
Price : Negotiation
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 300 Tons per month
Delivery Time : Within 5 Weeks After Deposit
Packaging Details : Plastic Bag, Paper Bag, And Carton Box Or According To The Customers' Requirements.
Material : Stainless steel 410 + 304
Head : Countersunk Head
Driver : PH #1 , #2 , #3
Finish : Passivated
Surface Treatment : Wax Polished
Color : Silvery Grey
Size : #6(3.5),#7(3.9),#8(4.2),#10(4.8),#12(5.5),#14(6.3)
Length : 20mm--190mm
Thread : Type AB Thread
OEM : Workable
Standard : DIN
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1. Product Description.



Meterdiameter (mm)



ST3.5(#6)


ST3.9(#7)


ST4.2(#8)


ST4.8(#10)


ST5.5(#12)


ST6.3(#14)


Pitch (mm)



1.3


1.3


1.4


1.6


1.8


1.8


dk max (mm)



7.3


7.5


8.4


9.3


10.3


11.3


dk min (mm)



6.9


7.14


8.0


8.9


9.9


10.9


k max (mm)



2.1


2.3


2.5


3


3.4


3.8


d (mm)



3.35-3.53


3.73-3.90


4.04-4.22


4.62-4.80


5.28-5.46


6.03-6.25


L (mm)



9.5-51


9.5-51


13-76


13-200


16-200


16-200


​​

Specifications:

China Domestic first Bi-metal (SUS410+SUS304) Self Drilling Screw Manufacturer

WY Brand Composite Screw Strength:

1.Double stainless steel combination, more long serive life than SCM 435 steel with stainless.

2.Wider range of applicantion , while same price as regular compound self drilling screw.

3.Environmental protection ruspert coating , which has a 1000-1500 hours' salt spray test time and multi-color matching.

4.

Hex Head Bi-metal Self Drilling Screws , Double Stainless Steel Combination Self Drilling Screw

5. Customized and OEM

Head mark / thread / dimension and package can be customized or produced with your logo.

6. CE certificate approved

Screws' dimensions and strengths are tested strictly according to DIN / ANSI / ISO standards , so our products have passed CE and ISO9001-

2015 Certificate.

7.Professional Suppliers

The China domestic first BSD thread stainless steel self drilling screw supplier , which has been focusing on stainless steel self drilling screw

production for 10 years .

Packing . (OEM is workable)

FAQ:

1. You are a manufacturing company or trading company ?
--- We specialized in manufacturing self drilling screw and we have 10 years of exporting experience. And our price is reasonable.
2. What quote do you offer ?
--- FOB,CIF and other ways according to your needs.
3. How pay ?
--- All of kinds payment we all accept from you.
4. How transport ?
--- Sea freight , air freight and others express delivery ways for you .
5. Can we print our own logo ?
--- Yes, we can print logo for you.
6. Can I order a small list ?
--- Of course, you can.
7. What is the quality of your products guarantee ?
--- We have passed ISO 9001:2015 Quality Management System Certification , COM Qualty Management System Certification and IQNET
Quality Management System Certification, If the quality doesen't accord the standard, you can exchange the goods for free.
8. Do you have after-sales service ?
--- Certainly, you can contact us at any time.
9. Why choose us ?
I.Stable and traceable raw material suppling lines
II.Years of manufacturing & exporting experience
III.Controllable delivery time
IX.Flexible payment term
X.Multi-language service : English / Russian / Spanish / French / Portuguese
10. Our strengths ?
Save Time and Money - Eliminate separate drilling and tapping operations for faster, more economical installations .
Starts Exactly Where It Is Placed - State of the art forging process technology and tooling produced to strict specifications provide a sharp, clean

and consistent drill point.
Broad Selection of Sizes and Applications - A wide variety of head styles and drive sytems are available to meet specialized application and

installation demands. Self drilling screws are avaiable to penetrate thin sheet metal through 1/2'' thick steel .
Selection of Finishes - Screw are provided zinc plated ,ruspert ,dacromet ,passivated ,phosphated ,HDG ,climaseal ,radiant ,iridite

,Ni,Tin,chrome finish. When noted, screws are also available with Stagard corrosion-resistant coating which provide 800 hours of salt spray

resistance or 15 cycles Kesternich Test .























































































































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