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Stainless Steel Bolts

Stainless Steel Bolts is a type of mechanical fastener that is usually used with a nut or washer nut for connecting two or more parts. A bolted joint can be readily disassembled and reassembled; for this reason bolts or screw fasteners are used to a greater extent than any other type of mechanical fastener and have very important role in the development of mass-produced articles and steel structures. Our extensive range of high quality fastenings in A4 /316 stainless steel Bolts are specially suited to marine, swimming pool and other high corrosion applications.

Stainless Steel Bolts is a type of mechanical fastener that is usually used with a nut or washer nut for connecting two or more parts. A bolted joint can be readily disassembled and reassembled; for this reason bolts or screw fasteners are used to a greater extent than any other type of mechanical fastener and have very important role in the development of mass-produced articles and steel structures. Our extensive range of high quality fastenings in A4 /316 stainless steel Bolts are specially suited to marine, swimming pool and other high corrosion applications.


Stainless Steel Bolts grades:

Stainless steels are used for their corrosion resistance, high-temperature strength, scaling resistance, and low-temperature toughness. These properties account for their extremely wide use in practically every industry.  Austenitic Stainless Steels are designated by a 3 digit SAE Stainless Steel Grade beginning with the number 3 (e.g. 304, 316). Another common naming convention for Austenitic Stainless Steels are 18/8, 18/10, 18/0, etc. where the 18 refers to the % of Chromium and 8 to % of Nickel contained in the material.


ASTM A193 / A194 Stainless Steel Bolts Specification

Product nameStainless Steel Bolts
StandardISO 4017, DIN931,  GB5783, DIN, ASTM, ANSI, JIS, EN, AS
DIN StandardB.S. DIN933 DIN931 DIN934 DIN912 DIN603 DIN6923

Surface treatment

Passivation /plain
SizeM2 – M100
DiameterM3-M60
Length6mm-500mm
HeadHex, Square, Round, Hex flange, Flat, T-head & Triangular etc
Neck typeHex, Square, Triangular, Oval & Knurled etc
Drive typePhil, Slotted, Hex socket, Torx & square slot etc
ApplicationWind tower, Nuclear power, Railway, Automotive industry, Construction, Electronic industry
DimensionsASME B18.6.3 **Exception: screws 6 inches and shorter are fully   threaded.
Drive StyleType I
Material18-8 Stainless Steel, stainless steel ss 304/ SS316 A2/A4, SS201, SS303, SS304, SS316, SS316L, SS904L, A2-70; A4-70; A4-80
Thread RequirementsASME B1.1, UNC & UNF, Class 2A (Fastenal will inspect and  accept parts with a 1A no-go gauge)
FinishPer ASTM A380/A380M
FinishingZinc Plated (Yellow, White, Blue, Black), Hop Dip Galvanized (HDG) phosphorization, Black Oxide, Geomet, Dacroment, anodization, Nickel plated, Zinc-Nickel plated, Brass Plated, Tin Plated, Black Plated, Copper Plated, Gold Plated, Salt fog test
Stock ProductsStainless steel: All DIN, GB Standard and part ASNI standard stainless steel Bolts,  Example: ISO7380, DIN7981, DIN7982, DIN916, DIN913, DIN7985, DIN912
Production technologyCold Forged
Manufacturing ProcessWire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing
MOQ10 pieces
Delivery timeRegular product is about 7-15 days, custom product will according to special requirement
OthersOEM, ODM, ±0.03MM tolerance
Surface treatment
  • Passivation

  • Polish

  • Anodizing

  • Sand blasting

  • Electroplating (color, blue, white, black zinc, Ni, Cr, tin, copper, silver)

  • Black oxide coating

  • Heat-disposing

  • Hot-dip galvanizing

  • Rust preventive oil

CoatingsBlack Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request
Tolerance+/-0.01mm to +/-0.05mm
SamplesYes
Production Capacity2,700,000 pieces per month
Payment TermsT/T, Paypal, Western Union, L/C or Trade Assurance 30% deposit & balance before shipping



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