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|Material:||Stainless Steel||Property Class:||18-8|
Flat Point Stainless Steel Metal Screws Hex Socket Cup Head SEMS Screws M6 X 15mm
Stainless steel SEMS screws are combined with a Flat washer and a flat washer and both washers are put on the shaft of SEMS screw , under shaft is threaded length that diameter is more bigger than the shaft diameter for prevent both washers from slipping out and play a secure role on objects .
Cup head SEMS screw with inside hex socket , you can take a hex wrench to drive screws by hand , when SEMS screws are installed on material , flat washer or spring washer increase more frictions on material and screws are not easy to be loosen and backed out .
Stainless steel SEMS screws with size M4 X 20 mm with attached standard flat washer and spring washer .
|Flat washer size||Standard||1.5 X 12|
|Spring washer size||Standard||1.5 X 10.5|
● Good ductility
● High tensile strength
● No magnet
● Corrosion resistant
● Fine roughness
|Material||Property class / Value|
|Tensile strength σb (MPa)||650|
|Yield Strength σs (MPa)||320|
|Elongation δ5 (%)||35|
|Reduction of area ψ (%)||45|
Stainless steel cup head SEMS screws are polished surface with good brightness
|Surface request||No burrs and bright|
How to install SEMS screws
1 , Drill a threaded hole on work piece , the hole sizes are same as the SEMS screw’s .
2 , Put SEMS screw into hole and rotate screw to the surface of work piece .
3 , Further secure screws and tighten screws in work piece .
SEMS Screws have a wide applications in industry and make a important roles on secure and joint .
★ Household applicanes
★ Electric items
★ Official items
▲ Wide versatility
▲ Top material
▲ Quick installation
▲ Convenient operation
▲ Simple deign
▲ Standard Sizes
Tips for installations
1 , Stainless steel SEMS screws are polished and surface is bright , please don’t strike screws into material during installation for keep nice appearance , especially for decorative applications .
2 , Please take right and suitable screwdriver bits to drive stainless steel self tapping screws for more quick installation .