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Grade 8.8 Carbon Steel Flange Bolts

Diameter (d):

  • M4
  • M5
  • M6
  • M8
  • M10
  • M10-1.25
  • M12
  • M12-1.25
  • M14
  • M16
  • M20

Length (L):

  • 6
  • 8
  • 10
  • 12
  • 14
  • 16
  • 18
  • 20
  • 22
  • 25
  • 30
  • 35
  • 40
  • 45
  • 50
  • 55
  • 60
  • 70
  • 75
  • 80
  • 85
  • 90
  • 95
  • 100
  • 105
  • 110
  • 115
  • 120
  • 125
  • 130
  • 135
  • 140
  • 145
  • 150
  • 155
  • 160
  • 165
  • 170
  • 175
  • 180
  • 185
  • 190
  • 195
  • 200
  • 205
  • 210
  • 215
  • 220
  • 225
  • 230
  • 235
  • 240
  • 245
  • 250

Finish:

  • Blackened
  • Blue and white zinc
  • Dacromet
  • True color
  • Color zinc
  • Zinc nickel alloy black
  • Colored zinc (trivalent)
  • Zinc-nickel alloy true color
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Specification

Description

8.8 Grade Carbon Steel Flange Bolts are high-strength fasteners designed for demanding applications. Made from carbon steel, these bolts achieve a minimum tensile strength of 800 MPa and a yield strength of 640 MPa, as indicated by their "8.8" grade designation. The flange feature on the bolt head provides a larger bearing surface, distributing the load more evenly and reducing the risk of damage to the connected materials. This design also facilitates easier tightening and loosening, even in confined spaces. Commonly used in automotive, construction, and heavy machinery industries, these bolts ensure secure and reliable connections in high-stress environments. They are typically zinc-plated or galvanized to enhance corrosion resistance, making them suitable for outdoor or harsh conditions. Overall, 8.8 Grade Carbon Steel Flange Bolts offer a robust solution for applications requiring strong, durable, and easily accessible fasteners.

about us

Hangzhou Jiangxin Industry Co., Ltd. was established in 2004. It is a national high-tech enterprise and a scientific and technological enterprise in Zhejiang Province. It is a professional fastener manufacturer, integrating production, R&D, and sales. It has advanced fastener production equipment in the world and uses an advanced ERP system for management. Grade 8.8 Carbon Steel Flange Bolts Suppliers.

The company has passed the IS09001 international quality management system certification and has distribution outlets and logistics distribution centers in East China. The company specializes in the production and operation of standard and non-standard parts such as German standard (DIN), American standard (ANSI, ASME), international standard (ISO), national standard (GB), Japanese standard (JIS), and British standard (BSW), high-strength bolts, and high-grade expansion bolts. The materials involve various carbon steels and stainless steels (304 and 316). The products are widely used in the fields of high-speed railway, automobile, ship, machinery, mold, electronics, and construction. Custom Grade 8.8 Carbon Steel Flange Bolts. With its good performance, fast installation, beautiful appearance, stable compatibility, and many other advantages, it is favored by Chinese and foreign merchants.

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