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

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

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

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
Detailed Product Description
Material: Stainless Steel 304 Hardness: HRC 65
Diameter: #12 Length: 3/4
Drive: Ex Hex Head: Hex
Point: Drilling TPI: 16
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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 0

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

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

Stainless steel self drilling screws are polished surface with good brightness

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

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 .
Stainless steel self drilling screws are normally used to metal sheets
▲ Metal sheets on roof
▲ Metal wall sheet
▲ Fence
▲ Fender
▲ Furniture
▲ Brige
▲ Highway equipments
▲ 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

Contact Person: MR.LIN

Tel: +8613556778272

Send your inquiry directly to us (0 / 3000)