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You are here: Home » Products » Bolts & Studs » Hex Bolts & Screws » UNI 6421 Hexagon Screws for Manufacture of Railway And Tramway Rolling Stock - ISO Metric Coarse Thread - Finish A

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UNI 6421 Hexagon Screws for Manufacture of Railway And Tramway Rolling Stock - ISO Metric Coarse Thread - Finish A

Finish:Plain, black oxide , Zinc Electroplating,Hot Dip Galvanizing,Copper plating,Nickel plating,Zinc impregnation,ETC.
Material:Carbon steel,Stainless steel
Standard :GB, DIN, ISO, ANSI/ASTM, BS, JIS,ETC.
Non-standards:OEM is available, according to drawing or samples.
Samples:Samples are free.
Package:Wooden boxes, pallet, cartons, plastic bags, nylon bags.
Availability:
Quantity:
  • M4~M14

  • LUOSI

  • black oxide, White zinc, Yellow zinc, Hot Dip Galvanizing, Plain, dacromet, Blue white zinc

1009_en


UNI6421

Size     M4~M14 or non-standard as request&design
Finish

    Plain, black oxide , Zinc Electroplating,Hot Dip Galvanizing,Copper plating,

    Nickel plating,Zinc impregnation,ETC.

Material

    Carbon steel、Stainless steel

Grade     4.8,8.8,10.9,12.9
Standard     GB, DIN, ISO, ANSI/ASTM, BS, JIS,ETC.
Non-standards     OEM is available, according to drawing or samples.
Samples     Samples are free.
Package

    Wooden boxes, pallet, cartons, plastic bags, nylon bags.


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