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Hunan Jia Shan Hardware Tech Co., Ltd.

  • China ,Hunan
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China M5 M8 Carbon steel Galvanized sqaure wahser Grade8.8 Class 8.8 Customized Zinc
China M5 M8 Carbon steel Galvanized sqaure wahser Grade8.8 Class 8.8 Customized Zinc

  1. China M5 M8 Carbon steel Galvanized sqaure wahser Grade8.8 Class 8.8 Customized Zinc
  2. China M5 M8 Carbon steel Galvanized sqaure wahser Grade8.8 Class 8.8 Customized Zinc
  3. China M5 M8 Carbon steel Galvanized sqaure wahser Grade8.8 Class 8.8 Customized Zinc

M5 M8 Carbon steel Galvanized sqaure wahser Grade8.8 Class 8.8 Customized Zinc

  1. MOQ: 100
  2. Price: USD0.2/pcs-USD1/pcs
  3. Get Latest Price
Payment Terms T/T, Western Union
Supply Ability Batch order abailable
Delivery Time 1-5 weekds
Usage Fastening
Style Square washer
Size Various sizes available
Head Style Square washer
Strength High
Finish zinc plating
Manufacturer JIA SHAN Hardward Company
Length As customisation
Package Small Packing+Carton Packing+Pallet
Standard DIN
Package Quantity 100 pieces
Shape Self Tapping Screws
Measurement System INCH, Metric
Port Shenzhen
Quality Inspection before shipment
Color As customisation
Material Carbon steel
Brand Name JIA SHAN
Model Number DIN, ASEM, ISO
Certification ISO
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T, Western Union Supply Ability Batch order abailable
Delivery Time 1-5 weekds Usage Fastening
Style Square washer Size Various sizes available
Head Style Square washer Strength High
Finish zinc plating Manufacturer JIA SHAN Hardward Company
Length As customisation Package Small Packing+Carton Packing+Pallet
Standard DIN Package Quantity 100 pieces
Shape Self Tapping Screws Measurement System INCH, Metric
Port Shenzhen Quality Inspection before shipment
Color As customisation Material Carbon steel
Brand Name JIA SHAN Model Number DIN, ASEM, ISO
Certification ISO Place of Origin China
High Light M5 M8 carbon steel washergalvanized square metal washerGrade 8.8 zinc plating washer
M5 M8 Carbon Steel Galvanized Square Washer Grade 8.8 Class 8.8 Customized Zinc Plating
Product Specifications
Attribute Value
Usage Fastening
Style Square washer
Size Various sizes available
Head Style Square washer
Strength High
Finish Zinc plating
Manufacturer JIA SHAN Hardward Company
Length As customization
Package Small Packing+Carton Packing+Pallet
Standard DIN
Package Quantity 100 pieces
Shape Self Tapping Screws
Measurement System INCH, Metric
Port Shenzhen
Quality Inspection before shipment
Color As customization
Material Carbon steel
Product Description
M5 M8 Carbon Steel Galvanized Square Washer

Square shaped shims and round shims are two common fasteners, mainly used for connecting the gap and stress distribution between bolts, nuts and connecting parts to reduce friction, limit deformation, transfer pressure and prevent air and liquid leakage.

Key Differences
  • Shape: Square shims are in quadrilateral shape with equal side lengths and 90-degree angles; round shims are round with uniform circumferential edges.
  • Application scenarios: Square shims are suitable for certain square or regular structural connections and bolt holes due to their shape characteristics, mainly used for track connections such as angles, I-beams and rails; round shims are suitable for a wide range of scenarios and are more commonly used.
  • Material: Both can use various metal and non-metallic materials (steel, copper, aluminium, rubber, silicone, etc.), selected based on working conditions.
  • Installation effect: Round gasket edges provide continuous circumference with more uniform stress distribution; square gaskets may have force concentration at corners.
  • Torque control: Generally easier with round shims due to uniform pressure distribution; square shims may require stricter torque control to avoid corner overloading.
  • Stress concentration: Square shims have four corners where stress may concentrate, while round shims distribute stress more evenly.

Flat washers are thin, flat, round with a hole in the center. The flat washer application is designed to apply loads over a relatively large area and provide support for small head screws. Also known as A-flat washers, they are suitable for general use.

Carbon Steel Properties
Advantages
  • High strength: Excellent strength characteristics suitable for construction, automotive, and aerospace applications.
  • Good wear resistance: Ideal for tools, machine parts and industrial equipment.
  • Strong plasticity: Easy to process and form into complex shapes through cold working, hot working and forging.
  • Price economy: Competitive cost advantage for large-scale industrial applications.
Disadvantages
  • Corrosion tendency: Requires corrosion protection or resistant coatings when exposed to moisture or acidic substances.
  • Low shock resistance: Less suitable for vibration environments compared to high-strength alloys.
Galvanizing Process

Galvanizing is a surface treatment technique of plating a layer of zinc on the surface of metals, alloys or other materials to provide a beautiful and rust-resistant appearance. The color of zinc after galvanizing is silver-white, and the color after passivation of galvanizing can be white, colored, army green, etc.

Material Composition
No. C% Cr% Ni% Mo%
304 0.07 17.5-19.5 8.0-10.5 /
316 0.08 16.0-18.0 10.0-14.0 2.00-3.00
301 0.15 16.0-18.1 6-8 /
310 0.08 24-26 19-22 /
304L 0.03 18-20 8-12 /
316L 0.03 16-18 10-14 2-3
321 0.08 17-19 9-12 /
About Us
Packaging
Product packaging

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter,Seller

  • Year Established:

    2007

  • Total Annual:

    15000000-20000000

  • Employee Number:

    100~200

  • Ecer Certification:

    Verified Supplier

Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ... Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ...

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Get in touch with us

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  • Hunan Jia Shan Hardware Tech Co., Ltd.
  • 1st Floor,Building 8 Phase II Factory Building,No.8 Lutian Road,Lugu Base,Lugu Street,Xiangjiang New Area,Hunan Province.Postal Code:410205
  • https://www.cnc-partsmachining.com/

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