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Stainless Steel Self Tapping Screws Pan Head DIN7981 A2-70 Fastener

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Stainless Steel Self Tapping Screws Pan Head DIN7981 A2-70 Fastener

Stainless Steel Self Tapping Screws Pan Head DIN7981 A2-70 Fastener
Stainless Steel Self Tapping Screws Pan Head DIN7981 A2-70 Fastener Stainless Steel Self Tapping Screws Pan Head DIN7981 A2-70 Fastener Stainless Steel Self Tapping Screws Pan Head DIN7981 A2-70 Fastener Stainless Steel Self Tapping Screws Pan Head DIN7981 A2-70 Fastener Stainless Steel Self Tapping Screws Pan Head DIN7981 A2-70 Fastener

Large Image :  Stainless Steel Self Tapping Screws Pan Head DIN7981 A2-70 Fastener

Product Details:
Place of Origin: China
Brand Name: VDL
Certification: ISO 9001
Model Number: SPS3920
Payment & Shipping Terms:
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: 10000 pcs each carton in bulk 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: 1000 , 000 pcs per month
Detailed Product Description
Material: Stainless Steel 18-8 Hardness: HRC 62
Finish: Polishing Diameter: 3.9
Length: 20 Standard: DIN
Drive: PH Head: Pan
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Stainless Steel Self Tapping Screws Pan Head DIN7981 A2-70 Fastener​

 

 

Pan head with phillips drive stainless steel screws , sharp point with full tapping threads for secure metal or wooden or plastic objects . stainless steel self tapping screws with self tapping threads that can cut material when screws are being installed .

 

 

Stainless steel self tapping screw is made of austenitic stainless steel grade ANSI 18-8 with perfect features

 

● Good ductility

 

● High tensile strength

 

● No magnet

 

● Corrosion resistant

 

● Fine roughness

 

● Resistant high temperature

 

 

Specification

Stainless Steel Self Tapping Screws Pan Head DIN7981 A2-70 Fastener 0

 

d 3.9
H max 2.8
min 2.55
D 7.5
m ( PH ) 4.4

Unit : mm

 

 

Physical Performance

 

 

Material Property class / Value
Stainless steel 18-8
Density g/cm3) 7.98
Fusing point(℃) 1398~1454
Specific heat capacity(0~100℃,KJ·kg-1K-1) 0.5
Heat conductivity(W·m-1·K-1) (100℃)16.3, 500℃)21.5
Resistivity(20℃,10-6Ω·m) 0.73

 

 

 

Mechanical Properties

 

Core hardness : HV 250

 

Case hardness : HV720

 

Min torque : 2.3 N.m ( property class 20 H )

 

Tensile strength σb (MPa) : 650

 

Yield Strength σs (MPa) : 320

 

Elongation δ5 (%) : 35

 

Reduction of area ψ (%) : 45

 

 

 

Chemical Elements

 

C Si Mn S P N Cr Ni
0.07 0.06 2 0.025 0.04
 
0.1 19 10.5

 

 

 

Finish

 

Stainless steel self tapping screws are passived with grey color for improving anti-corrosion effect

 

 

Resistant Corrosion

 

Stainless steel self tapping screws with 18-8 grade , different “ carbon ” contents that resist corrosion time under temperature 550 degree to 925 degree .

 

Stainless Steel Self Tapping Screws Pan Head DIN7981 A2-70 Fastener 1

Note : Refer to Standard GB /T 3098.21

 

 

 

Applications

 

Normally , There are much applications in every fields for Stainless steel self tapping screws as its versatility .

 

★ Aerospace

★ Cars

★ Vessel

★ Trains

★ Household applicanes

★ Machines

★ Buliding

★ Decoration

★ Toys

★ Electric items

★ Official items

★ Furniture

★ Communication

★ Food industry

★ Medical apparatus

★ Dinnerware

 

 

Characteristics

 

▲ Wide versatility

▲ Top material

▲ Quick installation

▲ Convenient operation

▲ Simple deign

▲ Recylable

▲ Eco-friendly

▲ Standard Sizes

 

 

Tips for installations

 

Stainless steel self tapping screws are polished and surface is bright , please don’t strike screws into material during installation for keep nice appearance , especially for decorative applications .

 

Please take right and suitable screwdriver bits to drive stainless steel self tapping screws for more quick installation .

 

Contact Details
VEDALI HARDWARE CO., LTD

Contact Person: MR.LIN

Tel: +8613556778272

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