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Stainless Steel Self Drilling Screws Hex Washer Head Metal Screw Tapping No. 14

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Good quality Stainless Steel Metal Screws for sales
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Stainless Steel Self Drilling Screws Hex Washer Head Metal Screw Tapping No. 14

China Stainless Steel Self Drilling Screws Hex Washer Head Metal Screw Tapping No. 14 supplier
Stainless Steel Self Drilling Screws Hex Washer Head Metal Screw Tapping No. 14 supplier Stainless Steel Self Drilling Screws Hex Washer Head Metal Screw Tapping No. 14 supplier Stainless Steel Self Drilling Screws Hex Washer Head Metal Screw Tapping No. 14 supplier Stainless Steel Self Drilling Screws Hex Washer Head Metal Screw Tapping No. 14 supplier Stainless Steel Self Drilling Screws Hex Washer Head Metal Screw Tapping No. 14 supplier

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Product Details:

Place of Origin: China
Brand Name: VDL
Certification: ISO 9001
Model Number: SHS4825

Payment & Shipping Terms:

Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: 10000 pcs each carton with dimension 20 X 20 X 22 cm , 500 cartons to a 20 ft container
Delivery Time: 30 days
Payment Terms: L/C, T/T, Western Union , Paypal
Supply Ability: 500 , 000 pcs per month
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Detailed Product Description
Material: Stainless Steel 304 Hardness: HRC 65
Diameter: #12 Length: 3/4
Drive: Ex Hex Head: Hex
Point: Drilling TPI: 16

 

Stainless Steel Self Drilling Screws Hex Washer Head Metal Screw Tapping No. 14

 


With good stainless steel material and perfect working performances , stainless steel self drilling screws are used to various metal sheets and metal proofs in building .
 
Stainless steel self drilling screws with hexagon head that are driven by a hex socket pipe or spanner for easy operation ; Normally , self drilling screws with teck points which are completely different from other screw’s points , this kind point with fast drilling performance and improve efficiency much .
 

Specific Dimensions
 
Self drilling screws with tapping threads based on standard DIN7504 K
 
Stainless Steel Self Drilling Screws Hex Washer Head Metal Screw Tapping No. 14

Head diameter dk 12.6
Thread length L 3/4
Shaft diameter d #12
Head height K 5.5
Hex cross width s 9.5
Pitch P 11 per inch
TPI 16
Thread type ST

 

 

Typical Features

 

● Good ductility
 
● High tensile strength
 
● No magnet
 
● Corrosion resistant
 
● Fine roughness
 
 Torque


Stainless steel self drilling screws are used for securing metal sheets , the thickness of metal sheets should be suitable for related specification of screw .
 

Screw size #12
Min. case Hardness 600
Core Hardness Hv 0.3 300~400
Min. Torsional Lb-in 61
Drill point Point # Nr. 3
Test Plate Thickness 0.062~0.068

 
 
Physical Performance
 

Material Stainless steel
Property class 18-8
Tensile strength σb (MPa) 650
Yield Strength σs (MPa) 320
Elongation δ5 (%) 35
Reduction of area ψ (%) 45
Density g/cm3) 7.98

 
 
 
Finish
 
Stainless steel self drilling screws are polished surface with good brightness
 

Finish Polishing
Roughness R6.3
Surface request No burrs and bright

 
 
Installations 
 
1 , Choose a special electric driller for self drilling screws
 
2 , Adjust locator in electric driller to a proper posiztion for leading screws are to be driven to right position
 
3 , Check drilling rate of driller
 

Screw size Drilling rate RPM
3.5 ( 6 # ) 1500 - 2500
3.9 ( 7 # ) 1500 – 2500
4.2 ( 8 # ) 1500 - 2500
4.8 ( 10 # ) 1500 - 2500
5.5 ( 12 # ) 1000 – 1800
6.3 ( 14 # ) 1000 - 1800

 
4 , Choose attached screwdriver bit and drive screws into metal sheets .
 
If you take a single electric driller operated by hand , please note
 
① Don’t put more joint on locating device in electric driller
② Make sure the sheet thickness is suitable for the length of screw , or screws will be broken easily .
③ Don’t put more RMP that overs max RMP of electric driller , or the point of screws will be melt down .
④ Don’t choose conflicting model for screws .
 
 
Applications
 
Stainless steel self drilling screws are normally used to metal sheets
 
▲ Metal sheets on roof
▲ Metal wall sheet
▲ Fence
▲ Fender
▲ Furniture
▲ Brige
▲ Highway equipments
 
 
Characteristics
 
▲ Wide versatility
▲ Top material
▲ Quick installation
▲ Convenient operation
▲ Simple deign
▲ Recylable
▲ Eco-friendly
▲ Standard Sizes
 
 
Tips for installations

 

 

★ A screw gun with a depth sensitive nose piece that be used to install drillers ,the screwgun should be a min of 4 amps and a RPM range from 0 to 2500c
★ Adjust the screw gun nose piece to properly set the fastener
★ Damaged bit tips should be replaced
★ The fastener is fully setted when the head is flush with the work surface
★ The fastener have to penetrate beyond the metal structure a min of 3 picthes of threads
★ Put 13 kgs or so force on screw gun and keep force direction is same as the centr of drilling point

 
 

Contact Details
VEDALI HARDWARE CO., LTD

Contact Person: MR.LIN

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