CNS155 Square Washers | Heavy-Duty Flat Square Washers | OEM Customization Available

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Product Description

JIS B1251 Internal Tooth Sprin...
DIN 436 Square Washers | Heavy...

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
Categories: , Tags: , , , , , , , ,

Description

CNS155 Square Washers are flat washers with a square shape used to increase bearing surface and evenly distribute loads under bolt or screw heads. Ideal for use with large bolts, wood structures, or steel fabrication, these washers help prevent pull-through and maintain joint integrity under high pressure or vibration.

Manufactured from carbon steel or stainless steel, these washers are available in multiple protective finishes to suit various environmental conditions:

  • Plain

  • Black Oxide

  • Zinc Electroplating

  • Hot Dip Galvanizing

  • Copper Plating

  • Nickel Plating

  • Zinc Impregnation

  • Custom finishes on request

These washers comply with standards such as CNS155, GB, DIN, ISO, ANSI/ASTM, BS, JIS, and can be customized for non-standard sizes or OEM requirements based on your sample or technical drawing. Free samples are available for your evaluation.

Specifications:

  • Standard: CNS155, GB, DIN, ISO, ANSI/ASTM, BS, JIS

  • Material: Carbon Steel, Stainless Steel

  • Finish Options: Plain, Black Oxide, Zinc Electroplating, Hot Dip Galvanizing, Copper Plating, Nickel Plating, Zinc Impregnation

  • Non-Standard/OEM: Available based on drawings or samples

  • Samples: Free

Packaging Options:

  • Wooden Boxes

  • Pallets

  • Cartons

  • Plastic Bags

  • Nylon Bags

Applications:
✔ Construction & Structural Engineering
✔ Steel Framing
✔ Heavy Equipment Mounting
✔ Timber Connections
✔ Industrial Bolting Systems

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