Button Head Socket Cap Screw DIN 7380 A2-70 | Stainless Steel Fasteners Supplier for Industrial & Bulk Orders

Product Details

Product Description

China factory direct supply A2-70 stainless steel button head socket cap screws for wholesale. These versatile screws feature a low-profile rounded head with internal hex drive, providing a smooth finished appearance while offering reliable fastening. Made from A2-70 stainless steel, they offer excellent corrosion resistance for indoor and outdoor applications. Perfect for decorative hardware, electronics, furniture, and machinery where appearance and corrosion resistance are important. Bulk discounts available for distributors and manufacturers.

Technical Specifications

Parameter Specification Parameter Specification
Standard ISO 7380, DIN 7380 Head Type Button Head
Drive Type Hex Socket Thread Type Full Thread
Property Class A2-70 Material Stainless Steel 304
Finish Natural Tensile Strength 700 MPa
Yield Strength 450 MPa Hardness 70-90 HRB
Corrosion Resistance Excellent Temperature Range Up to 400°C

Product Size (Popular Specifications)

Standard button head socket cap screw specifications:

Available Sizes and Dimensions
Diameter (mm) Diameter (Inch) Length (mm) Length (Inch) Head Diameter (mm)
M3 #6 6-30 1/4″-1-1/4″ 5.7
M4 #8 8-40 5/16″-1-1/2″ 7.6
M5 #10 10-50 3/8″-2″ 9.5
M6 1/4″ 12-60 1/2″-2-1/2″ 11.5
M8 5/16″ 16-80 5/8″-3″ 15.4

Note: Custom sizes available for OEM orders

Application Scenarios

Decorative and functional applications:

  • Electronic equipment assembly
  • Furniture and cabinet hardware
  • Automotive interior components
  • Consumer products
  • Medical equipment
  • Marine hardware
  • Architectural metalwork

Frequently Asked Questions (FAQ)