Payment & Shipping Terms:
|Material:||Carbon Steel||Property Class:||4|
|Color:||Silver||Specification:||M8 To M55|
|Standard:||DIN 436||Environment Friendly:||RoHS|
washers and spacers,
metal stamped parts
DIN 436 Metal Stamping Parts Flat Stainless Steel Square Washers Sizes M8 - M55
Stamped square washer with flat profile and blank hole in the middle for threaded screw or bolt assembly , the width for each side of square washer are same , usually , the width of square washer is more bigger than head diameter of screw or bolt , square washer provides more frictions when it is installed on material , this lets screw or bolt to secure material well .
Standard sizes for square washers are from 9 to 58 ( hole diameter ) which available for thread M8 to M55 as following shows , we are capable of manufacturing more smaller and bigger customized sizes .
Stamped square washers normally are made of carbon steel with grade 4.8 that suitable for grade 4.8 to 8.8 screws or bolts .
Tensile strength(σb/MPa ): 410
Density g/cm^3 : 7.85
Yiled strength N/mm2 : 365
Hardness HV : 150
Reduction of area Z ( % ) : 41
Stamped square washers are available for different finish to apply for various applications .
The most popular plating for the most products
Bright and smooth
The film thickness is 1～3μm , it improves brightness and wear resistance
Reduce roughness of parts and improve brightness .
With film thickness 0.13～1.27μm , tin finish with bright surface and good ductility ,corrosion resistance ,lower melting point ,eco-friendly features .
Usually, 5gm～8gm finish coating thickness and with good dispersibility ,Bright appearance .
This finish is grey color with High corrosion resistance , No hydrogen embrittlement ,Heat resistance ,Easy to plated more ,eco-friendly etc charictersitics and the film thickness is 4-8μm .
Chrome finish is silver white color and the thickness of film is 0．25～0．5μm normally . chrome finish has many practical Features
Stamped square washers are packed in boxes for convenient shipment , customized packages are available .
|d1||a||s||Pcs / box|
Contact Person: MR.LIN