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Hex Flange Stainless Steel Screws , Washer Head Self Drilling Sheet Metal Screws With EPDM

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Suzhou Crever Fastener Co., Ltd
City: Suzhou
Province/State: Jiangsu
Country/Region: China

Hex Flange Stainless Steel Screws , Washer Head Self Drilling Sheet Metal Screws With EPDM

Brand Name : Crever
Model Number : DIN7504K
Certification : ISO
Place of Origin : Jiangsu, China
MOQ : Negotiable
Price : Negotiable
Payment Terms : T/T, L/C, D/P, MoneyGram
Supply Ability : 400 ton per month
Delivery Time : 10-30 working days
Packaging Details : bulk packing, small box packing, packing as required
Material : stainless steel SS201, SS304, SS316, SS410
Colour : zinc, black oxide, plain, HDG, ruspert, nickel
Sizes : #6x10mm---#14x200mm
Thread : double thread, Hi-Low thread, full thread
Washer : EPDM, rubber washer, bonded washer
Head : hex washer head, hex flange head
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Hex Flange Stainless Steel Screws , Washer Head Self Drilling Sheet Metal Screws With EPDM
1. Descriptions:

Hex head Self Drilling Screws have some Drill Point, Such as Type T4 and T5 hex head drill point. these screws are designed for heavy gauge metal to metal framing applications. These screws feature NanoGard exterior grade coating for improved corrosion resistance.

We are factory to supply full range and sizes of drilling screws for more than 15 years, if you have such requirements, pls contact us freely, we will give you best prices accordingly....Hope to establish good business relations with your esteemed company earlier.

2. Specifications:

Product Name
DIN7504K hex head self drilling screw, roofing screw
stainless steel, carbon steel, alloy steel, brass and so on
yellow zinc, black phosphate, gray, white zinc, HDG, ruspert, nickel and so on
C1018, C1022, SUS201, SUS304, SUS316, A2-70, A2-80, A4-80, 4.8 6.8 8.8 10.9 12.9
#6x10mm---#14x200mm, 3.5x10mm--6.3x200mm
full thread, partical thread, Hi-Low thread
philips, pozi, socket, hex, square, solloted, combined

3. Features:

  • High Performance – Continuous thread design up to drilling point maximizes pullout performance and shear strength.
  • Precision – Drilling these screws is achieved in a single process thus eliminating the need of alignment or pre-drilled holes and thus ensuring precision.
  • Easy and Smooth Tapping – Its smooth thread allows easy and self tapping through the structure.
  • Easy to Use with Minimal Efforts – Design of these screws is so engineered that unskilled amateur can use them with minimal efforts.
  • Time Saving – Using these screws saves time by eliminating the need of alignment or pre-drilled holes.
  • Dual Functionality – Allows fastening to both, timber and steel.
  • Minimal Wastage – Reduces Wastage

4. Mechanical properties Tests:

Mechanical properties Tests
drill pointsizestorque strength kgftensile strength kgfshear strength kgf
  SUS304 and SUS316SUS302  
No.3 point#8 (4.2)4536-- -- 
#10 (4.8)5242-- -- 
#12 (5.5)8468810620
#14 (6.3)132-- 900710
No.5 point#12 (5.5)8468920650
#14 (6.3)132-- 1050745

5. How to Install :

  • Insert the 8 or 10 mm (according to required size) hex head adapter into the drill motor. Center the adapter into the drill’s chuck to ensure that adaptor does not wander.
  • Put on the safety glasses to protect your eyes.
  • Inspect the hex end of the adaptor for cleanliness. If metal shavings are built up inside the tip, insert the drilling end of the screw into the cavity of the hex head while holding the trigger of the drill.
  • Place a self-drilling screw into the hex head adapter.
  • Depress the trigger of the drill slowly, while the drilling tip of the screw rests against the metal. Increase the speed of the drill when the screw finds its center.
  • Stop drilling when the head of the self drilling screw tightens against the surface of the metal. If the drill you are using does not have a clutch, pay close attention to the screw head, as too much pressure will either snap the screw of strip the threads formed in the metal by the screw.
  • Perform Step 3 before you install another self drilling screw.

6. More pictures:


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Hex Flange Stainless Steel Screws , Washer Head Self Drilling Sheet Metal Screws With EPDM Images

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