GB70.1 M2-M8 316 Stainless Steel Screw Hex Socket Cup/Cylindrical Head Fastener

Regular price $1.40 USD

Regular price ~~$1.40 USD~~ Sale price $1.40 USD

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316 stainless steel GB70.1 screws are precision-engineered industrial fasteners, integrating a hex socket drive and dual cup/cylindrical head design. Covering sizes from M2 to M8, these screws fully comply with GB70.1 standards, offering exceptional corrosion resistance and stable fastening performance for a wide range of industrial, mechanical, and commercial scenarios.

Crafted from high-grade 316 stainless steel, they boast superior resistance to rust, chemicals, saltwater, and harsh environmental conditions—making them ideal for marine, offshore, high-humidity, and outdoor applications where durability and anti-corrosion are non-negotiable. The hex socket drive ensures secure tool engagement, allowing for precise torque control and seamless installation even in narrow or hard-to-reach spaces.

The cup/cylindrical head design delivers a clean, low-profile finish, 适配 both visible installations (where aesthetics matter) and concealed fastening needs. With a complete size range of M2, M2.5, M3, M4, M5, M6, and M8, these screws cater to diverse requirements, from small electronic components and precision instruments to medium-duty machinery parts. Compliant with GB70.1 standards, they guarantee consistent dimensional accuracy, strong load-bearing capacity, and long-lasting reliability for professional use.

Core Features & Advantages

316 Stainless Steel: Premium material for outstanding corrosion, rust, and chemical resistance, suitable for harsh environments.
GB70.1 Compliant: Adheres to strict standards for dimensional precision, ensuring universal compatibility and reliability.
Hex Socket Drive: Enables secure tool grip and precise torque control, enhancing installation efficiency and stability.
Dual Cup/Cylindrical Head: Offers a neat finish, versatile for both visible and concealed fastening scenarios.
Full M2-M8 Size Range: Covers small to medium components, meeting diverse industrial and mechanical needs.

Key Specifications

Material: 316 Stainless Steel
Standard: GB70.1
Drive Type: Hex Socket
Design: Cup/Cylindrical Head
Sizes: M2, M2.5, M3, M4, M5, M6, M8
Applications: Marine, Offshore, High-Humidity Environments, Electronics, Precision Instruments, Machinery, Outdoor Installations
Performance: Corrosion-Resistant, Wear-Resistant, Precision-Fit, Durable, Versatile