Square Neck Bolts

Mushroom Head Square Neck Bolt and Nuts

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  • Inquiry

Bolts&Nuts

Product Name: Square Neck Bolts

1.Product Parameter

Product Name Square Neck Bolt and Nuts Mushroom Head
SizeM3-M72(3/16”- 4”)
GradeSUS201,SUS304,SUS316,A2-70,A2-80,A4-80,4.8 6.8 8.8 10.9 12.9
Materialcarbon steel, alloy steel, stainless steel
StandardDIN GB ISO JIS BA ANSI
Threadunc,unf,metric thread
Usedbuilding industry machinery  43546
CertificationISO9001, SGS, CTI, ROHS
Material1.Stainless Steel: SUS302,SUS304,SUS316,SUS201,etc
2.Carbon steel:1018,1022 etc
3.Alloy Steel:Titanium Alloy,10B21,435,40Cr etc
4.Aluminum or Aluminum Alloy
5.Brass
HardnessHardness: HV350-450; HV400-550; HV450-700;
Rockwell hardness: Grade8.8 HRC22-32; Grade10.9 HRC32-39; Grade12.9 HRC39-44
Surface treatmentZinc,Nickel,Bronze,Copper,Phosphate,Oxidation black Tin,Gold,Chrome,Sliver,Zinc-nickel
alloy plated etc.
StandardDIN,GB,ISO,ANSI,BS,JIS etc

 

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