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DIN 7504 Fastener Screws , 5.5 x 50 Hex Washer Head Bi Metal Self Drilling Screws

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VEDALI HARDWARE CO., LTD
City: Dongguan
Province/State: Guangdong
Country/Region: China
Tel: 86-769-82601418
Contact Person:
Mr David

DIN 7504 Fastener Screws , 5.5 x 50 Hex Washer Head Bi Metal Self Drilling Screws

Brand Name : VDL
Model Number : SDS1001
Certification : ISO 9001
Place of Origin : China
MOQ : Negotiation
Price : Negotiation
Payment Terms : L/C, T/T, Western Union . Paypal
Supply Ability : 500, 000 pcs per month
Delivery Time : 30 days
Packaging Details : 10000 pcs each cartons with dimension 20 X 22 X 25 cm , 500 cartons to a 20 ft container
Material : Carbon Steel / Stainless Steel
Proprty Class : 6.8
Hardness : HRC 35
Drive : Hex IN.
Head : Hex Washer
Point : Drilling
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DIN 7504 Fastener Screws , 5.5 x 50 Hex Washer Head Bi Metal Self Drilling Screws


Bi-metal Self Drilling Screws with hexagon washer head combined with a EPDM bonded washer ,full tapping threads with drilling point that can cut and drill fast into metal sheet in a power drill .


Bi-metal self drilling tapping screws are made in two different materials for combination of durable corrosion and strong hardness . Normally , Bi-metal self-drilling tapping screws are made of stainless steel but drilling point is made from carbon steel so that screws can be capable of drilling metal sheets smoothly and work for a long time .


Typical Features


1 Strong hardness


2 Perfect durable corrosion


3 Recyclable


4 Fast drilling rate


Specification



DIN7504

DLPDfSeK
5.5(#12)191.81188.75.4
5.5(#12)251.81188.75.4
5.5(#12)321.81188.75.4
5.5(#12)381.81188.75.4
5.5(#12)511.81188.75.4
5.5(#12)641.81188.75.4
6.3(#14)191.813.51010.955.9
6.3(#14)251.813.51010.955.9
6.3(#14)321.813.51010.955.9
6.3(#14)381.813.51010.955.9
6.3(#14)511.813.51010.955.9
6.3(#14)601.813.51010.955.9
6.3(#14)751.813.51010.955.9
6.3(#14)801.813.51010.955.9
6.3(#14)1001.813.51010.955.9
6.3(#14)1101.813.51010.955.9
6.3(#14)1201.813.51010.955.9
6.3(#14)1301.813.51010.955.9
6.3(#14)1501.813.51010.955.9
6.3(#14)1751.813.51010.955.9

Note :

1 , We offer non-standard sizes as well .

2 , Bonded EPDM washer is optional .


Bi-metal self-drilling tapping screws must to be plated a film protective finish to prevent screws from rusting and extend service time . we supply different finish for different applications , you can make a right choice according to the characteristic each kind .


1 , Zinc

This is popular finish and various colors for choice . The resistance of rust is good and eco-friendly .


2 , Nickel

Nickel finish makes the surface of the screws will more bright and hardened and the performance of screws will be improved .


3 , Polishing

Bi-metal self-drilling tapping screws can be polished after forming for getting a bright surface and anti-rust purpose , but it is not good as other finishes on anti-rust . polish is usually for stainless steel screws.


4 , Tin

It is very perfect to be anti-rust , and widely used to components .


5 , Brass

It is available for stainless steel screws and carbon steel screws and perfect on durable corrosion .


6 , Dacromet

This finish is used for screws with big sizes and can stop screws to be rusted long time even under bad surroundings .


More options for bi-metal self-drilling tapping screws


Stainless steel : SUS 201 , SUS303 , SUS 304 ,SUS 316 , SUS 416 ,SUS 430 and SUS 420 .


Carbon steel : 1018 , 1022 , 1035 , 1045 , SCM 435 and 40CRO


Bi-metal self drilling tapping screws are used to drill sheet metal should be considered the thickness of sheet and make sure enough torque to finish secure .


d/ diam#6#7#8#10#12#14 (1/4)
Min. case Hardness600600600600600600
Core Hardness Hv 0.3300~400300~400300~400300~400300~400300~400
Min. Torsional Lb-in2424426192150
Drill point Point #Nr 2Nr. 2Nr. 2Nr. 3Nr. 3Nr. 3
Test Plate Thick ness0.062~0.0680.062~0.0680.062~0.0680.062~0.0680.062~0.0680.062~0.068

Torque Strength


Gauge#6#8#10#12#14
Value41.276144186235

Unit:Kgf


Shearing Strength


Gauge#6#8#10#12#14
Value37069092511101495

Unit:Kgf


Tensile Strength


Gauge#6#8#10#12#14
Value689986126916632286

Unit:Kgf


Applications


Bi-metal self drilling tapping screw is used for lock metal sheet that service in building ,bridge ,furniture and barrier etc .


Competitive Advantage


※ Top quality with cheap price


※ Strict dimensions control and high precision


※ All Screws are eco-friendly


※ Quick delivery


※ Perfect sales-after service


Features

  • Fast drilling performance
  • Easy installation
  • Solid stability pieces are made from good material
  • Eco-friendly from material to finish are RoHS meet

Product Tags:

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DIN 7504 Fastener Screws , 5.5 x 50 Hex Washer Head Bi Metal Self Drilling Screws Images

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