Stainless Steel Pan Head Self Tapping Screws 3.9 X 20 DIN798 HRC 62

Stainless Steel Pan Head Self Tapping Screws 3.9 X 20 DIN798 HRC 62

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

Unit : mm

Physical Performance

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

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 .

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 .