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Grade 8.8 Carbon Steel Socket Cap Screws

Diameter (d):

  • M2
  • M2.5
  • M3
  • M4
  • M5
  • M6
  • M8
  • M10
  • M12
  • M14
  • M14-1.5
  • M16
  • M18
  • M20
  • M22
  • M24
  • M27
  • M30
  • M36
  • M42
  • M48

Length (L):

  • 4
  • 5
  • 6
  • 8
  • 10
  • 12
  • 14
  • 15
  • 16
  • 18
  • 20
  • 22
  • 25
  • 28
  • 30
  • 35
  • 40
  • 45
  • 50
  • 55
  • 60
  • 65
  • 70
  • 75
  • 80
  • 85
  • 90
  • 95
  • 100
  • 105
  • 110
  • 115
  • 120
  • 125
  • 130
  • 140
  • 145
  • 150
  • 155
  • 160
  • 170
  • 175
  • 180
  • 190
  • 195
  • 200
  • 210
  • 220
  • 225
  • 230
  • 235
  • 240
  • 245
  • 250
  • 260
  • 265
  • 270
  • 275
  • 280
  • 290
  • 300
  • 350
  • 640

Finish:

  • Blackened
  • Blue and white zinc
  • Dacromet
  • Black zinc
  • True color
  • Nickel plated
  • Color zinc
  • Hot dip galvanized
  • Zinc nickel alloy black
  • Colored zinc (trivalent)
  • Chrome
  • Zinc-nickel alloy true color
  • Mechanical galvanizing
  • Gray phosphating
  • White nickel
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Specification

Description

8.8 Grade Carbon Steel Socket Cap Screws are a type of high-strength fastening hardware commonly used in various industrial applications. These screws are made from carbon steel, which is heat-treated to achieve a minimum tensile strength of 800 MPa and a yield strength of 640 MPa, hence the designation "8.8." The socket cap design features a hexagonal drive on the head, allowing for secure and efficient tightening with a hex key or socket wrench. This design also provides a flush surface when installed, making it ideal for applications where a low-profile finish is desired.

These screws are widely used in automotive, construction, and machinery assembly due to their durability and resistance to high stress and torque. They are available in various sizes and thread types to accommodate different applications. The 8.8 grade ensures reliability and performance, making these screws a preferred choice for critical fastening tasks.

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 Socket Cap Screws 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 Socket Cap Screws. 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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