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Home > Products >
Stainless Steel Screw
>
GB5287 Extra Large Flat Washer 100HV M5-M36
All Category

Pan Head Screw

Bugle Head Screw

Self Tapping Screw

Self Drilling Screw

Stainless Steel Screw

Screw Kit

Concrete Anchor Bolt

Hex Head Bolt

Allen Head Bolt

Machine Bolt

Expansion Anchor Bolt

Hex Head Nut

Spring Lock Washer

Waterproof Cable Gland

Precision Turned Components

Plastic Bolt
Contact Us
Ms. Amylin
amylin@ybfasteners.com
+8618658229310
wechat
Contact Now
name
  • name
  • name
  • name
  • name
  • name

GB5287 Extra Large Flat Washer 100HV M5-M36

Brand Name: YONGBIAO
Model Number: Cross Tapping Screw
MOQ: 50000
Price: Negontiation
Packaging Details: Plastic Bag / Paper Box
Payment Terms: T/T
Detail Information
Product Description
Detail Information
Place of Origin:
China
Certification:
ISO 9001
Finish:
Zinc Plated
Sample:
Free Samples
Usage:
For Fastening Metal To Metal
Measurement System:
INCH, Metric
Standard:
DIN, ANSI, GB, JIS, BSW, GOST
Connection:
Common Bolt
Quality:
100% Inspection
Supply Ability:
500 Tons/month
Highlight:

Extra Large Flat Washer M5-M36

,

Stainless Steel Flat Washer 100HV

,

GB5287 Flat Washer with Warranty

Product Description
GB5287 Extra Large Flat Washer 100HV M5-M36
The GB5287 Extra Large Flat Washer (also known as Plain Washer - Extra Large Series - Product Grade C) is a high-quality fastener component manufactured in strict accordance with Chinese National Standard GB/T 5287-2002 (equivalent to ISO 7094:2000). This standard specifies plain washers with nominal sizes (thread major diameters) ranging from 5mm to 36mm, featuring an extra large series design, 100HV hardness grade, and Product Grade C classification.
Technical diagram of GB5287 extra large flat washer showing dimensions and specifications Cross-sectional view of GB5287 extra large flat washer illustrating design features
Key Features
  • Extra Large Outer Diameter: Compared to standard flat washers, the GB5287 series features a significantly larger outside diameter, providing a larger bearing surface to effectively distribute load and prevent damage to the fastened structure.
  • High Hardness (100HV): Manufactured to 100HV hardness grade, ensuring excellent strength and durability under heavy loads.
  • Versatile Material Options: Available in carbon steel, stainless steel (304/316), and alloy steel to meet different environmental and strength requirements.
  • Multiple Surface Finishes: Options include plain, zinc plated, black oxide, phosphate, hot-dip galvanized, and Dacromet coatings for enhanced corrosion resistance.
Technical Specifications
Measurement System INCH, Metric
Standard DIN, ANSI, GB, JIS, BSW, GOST
Process Cold Forging
Finish Zinc Plated
Load Capacity Medium Duty
Usage For Fastening Metal To Metal
HS Code 7318151001
Customization Services
We offer comprehensive OEM and ODM services to meet your specific requirements:
  • Custom head styles, drive types (Phillips H / Pozidriv Z), and thread designs
  • Special lengths, diameters, and tolerances
  • Specific material grades and surface finishes
  • Custom packaging with your branding (labels, boxes, bags, blister packs)
  • Logo engraving on screw heads
Why Choose Us
  • Professional fastener manufacturer with over 10 years of export experience
  • Advanced automatic cold heading and thread rolling equipment ensuring consistent quality and fast delivery
  • Strict quality control system from raw material sourcing to finished product
  • Competitive factory-direct pricing with no middlemen
  • Responsive customer service and technical support
  • Flexible MOQ to accommodate both trial orders and bulk shipments
Contact Us
Email: rainting@ybfasteners.com
Product Images
Various specifications of cross recessed raised countersunk head screws packaged in organized containers Cross recessed raised countersunk head screws in different sizes and finishes displayed together for comparison Industrial packaging of cross recessed raised countersunk head screws ready for shipment and distribution
Packaging Options
Bolts are packed in neutral packaging boxes with standard quantities arranged in small cartons. Custom packaging configurations are available upon request. Small cartons are consolidated into larger master cartons for secure transportation. Palletized units are wrapped with waterproof film and reinforced with packaging straps, with custom shipping marks available.
Packaging Images
Cross recessed raised countersunk head screws in industrial packaging boxes showing organized storage Bulk packaging of cross recessed raised countersunk head screws in secure cartons for shipping Custom packaging solutions for cross recessed raised countersunk head screws with branding options Palletized cross recessed raised countersunk head screw shipment with waterproof wrapping for protection Final packaged cross recessed raised countersunk head screws ready for shipment and delivery
Tags: 

Stainless Carriage Bolt  

M2 Stainless Steel Screws  

316 Stainless Steel Screws

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Products Details

Home > Products >
Stainless Steel Screw
>
GB5287 Extra Large Flat Washer 100HV M5-M36
All Category

Pan Head Screw

Bugle Head Screw

Self Tapping Screw

Self Drilling Screw

Stainless Steel Screw

Screw Kit

Concrete Anchor Bolt

Hex Head Bolt

Allen Head Bolt

Machine Bolt

Expansion Anchor Bolt

Hex Head Nut

Spring Lock Washer

Waterproof Cable Gland

Precision Turned Components

Plastic Bolt
name
  • name
  • name
  • name
  • name
  • name

GB5287 Extra Large Flat Washer 100HV M5-M36

Brand Name: YONGBIAO
Model Number: Cross Tapping Screw
MOQ: 50000
Price: Negontiation
Packaging Details: Plastic Bag / Paper Box
Payment Terms: T/T
Detail Information
Product Description
Detail Information
Place of Origin:
China
Brand Name:
YONGBIAO
Certification:
ISO 9001
Model Number:
Cross Tapping Screw
Finish:
Zinc Plated
Sample:
Free Samples
Usage:
For Fastening Metal To Metal
Measurement System:
INCH, Metric
Standard:
DIN, ANSI, GB, JIS, BSW, GOST
Connection:
Common Bolt
Quality:
100% Inspection
Minimum Order Quantity:
50000
Price:
Negontiation
Packaging Details:
Plastic Bag / Paper Box
Delivery Time:
7-25Days
Payment Terms:
T/T
Supply Ability:
500 Tons/month
Highlight:

Extra Large Flat Washer M5-M36

,

Stainless Steel Flat Washer 100HV

,

GB5287 Flat Washer with Warranty

Product Description
GB5287 Extra Large Flat Washer 100HV M5-M36
The GB5287 Extra Large Flat Washer (also known as Plain Washer - Extra Large Series - Product Grade C) is a high-quality fastener component manufactured in strict accordance with Chinese National Standard GB/T 5287-2002 (equivalent to ISO 7094:2000). This standard specifies plain washers with nominal sizes (thread major diameters) ranging from 5mm to 36mm, featuring an extra large series design, 100HV hardness grade, and Product Grade C classification.
Technical diagram of GB5287 extra large flat washer showing dimensions and specifications Cross-sectional view of GB5287 extra large flat washer illustrating design features
Key Features
  • Extra Large Outer Diameter: Compared to standard flat washers, the GB5287 series features a significantly larger outside diameter, providing a larger bearing surface to effectively distribute load and prevent damage to the fastened structure.
  • High Hardness (100HV): Manufactured to 100HV hardness grade, ensuring excellent strength and durability under heavy loads.
  • Versatile Material Options: Available in carbon steel, stainless steel (304/316), and alloy steel to meet different environmental and strength requirements.
  • Multiple Surface Finishes: Options include plain, zinc plated, black oxide, phosphate, hot-dip galvanized, and Dacromet coatings for enhanced corrosion resistance.
Technical Specifications
Measurement System INCH, Metric
Standard DIN, ANSI, GB, JIS, BSW, GOST
Process Cold Forging
Finish Zinc Plated
Load Capacity Medium Duty
Usage For Fastening Metal To Metal
HS Code 7318151001
Customization Services
We offer comprehensive OEM and ODM services to meet your specific requirements:
  • Custom head styles, drive types (Phillips H / Pozidriv Z), and thread designs
  • Special lengths, diameters, and tolerances
  • Specific material grades and surface finishes
  • Custom packaging with your branding (labels, boxes, bags, blister packs)
  • Logo engraving on screw heads
Why Choose Us
  • Professional fastener manufacturer with over 10 years of export experience
  • Advanced automatic cold heading and thread rolling equipment ensuring consistent quality and fast delivery
  • Strict quality control system from raw material sourcing to finished product
  • Competitive factory-direct pricing with no middlemen
  • Responsive customer service and technical support
  • Flexible MOQ to accommodate both trial orders and bulk shipments
Contact Us
Email: rainting@ybfasteners.com
Product Images
Various specifications of cross recessed raised countersunk head screws packaged in organized containers Cross recessed raised countersunk head screws in different sizes and finishes displayed together for comparison Industrial packaging of cross recessed raised countersunk head screws ready for shipment and distribution
Packaging Options
Bolts are packed in neutral packaging boxes with standard quantities arranged in small cartons. Custom packaging configurations are available upon request. Small cartons are consolidated into larger master cartons for secure transportation. Palletized units are wrapped with waterproof film and reinforced with packaging straps, with custom shipping marks available.
Packaging Images
Cross recessed raised countersunk head screws in industrial packaging boxes showing organized storage Bulk packaging of cross recessed raised countersunk head screws in secure cartons for shipping Custom packaging solutions for cross recessed raised countersunk head screws with branding options Palletized cross recessed raised countersunk head screw shipment with waterproof wrapping for protection Final packaged cross recessed raised countersunk head screws ready for shipment and delivery
Tags: 

Stainless Carriage Bolt

M2 Stainless Steel Screws

316 Stainless Steel Screws

Related Products
Custom Stainless Steel Screws Corrosion Resistant Flat Head Cross Screw M2

Custom Stainless Steel Screws Corrosion Resistant Flat Head Cross Screw M2

Get Best Price
Hexagon Custom Machine Screws Rust Resistant Stainless Steel Phillips Head Screws

Hexagon Custom Machine Screws Rust Resistant Stainless Steel Phillips Head Screws

Get Best Price
Corrosion / Rust Resistant Customized Screw Stainless Steel Socket Head Cap Screws

Corrosion / Rust Resistant Customized Screw Stainless Steel Socket Head Cap Screws

Get Best Price
Pan Head Stainless Steel Screw Round Shape Carriage Head Screw M16

Pan Head Stainless Steel Screw Round Shape Carriage Head Screw M16

Get Best Price
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