CUP SQUARE BOLTS
Product Introduction:
- Specifications: Available in diameters from M6 to M12.
- Length: Ranging from 10mm to 200mm.
- Materials: Offered in carbon steel, stainless steel, alloy steel, and non-ferrous metals.
- Durability Levels: Available in grades 4.6, 8.8, and 10.9.
- Thread Pitch: Conforming to metric thread standards.
- Surface Finishes: Options include white polish, yellow polish, black dye, hot dip galvanized, black goods, and painted.
- Standards: Compliant with DIN, JIS, and ISO standards.
- Origin: Manufactured in Taiwan, China, Korea, and Vietnam.

Characteristics of Cup Square Bolts:
- Structure: Cup square bolts feature
+ A round, spherical bolt head,
+ A square neck,
+ A threaded body
+ In Vietnam, these bolts adhere to metric thread standards.
- Classification: They are available in various materials, including stainless steel types like 201, 304, 316, and 316L.
- Advantages: Their square neck prevents rotation, eliminating the need for dual wrenches during tightening.
- Disadvantages: Requires machining a square hole of matching size for installation once chosen.
Applications of Cup Square Bolts:
Cup square bolts are versatile in type and size, making them indispensable across various industries:
• Chemical Industry: Used in equipment assembly and maintenance.
• Automobile Industry: Essential for vehicle assembly and structural reinforcement.
• Shipbuilding Industry: Utilized in ship construction and repair.
• Oil and Gas Industry: Critical for pipelines, rigs, and refinery equipment.
• Road and Bridge Construction: Integral in structural assemblies and installations.
• Industrial Machinery: Used for securing components and machinery parts.
• Mechanical and Electrical Systems: Essential in installations and maintenance.
• Cable Ladders and Multipurpose Shelves: Supports structural integrity and load-bearing.
• Telecommunications: Used in the construction of transceiver towers and installations.
Contact Us:
An Hai Production Trading and Service Company Limited
- Address: No. 26, Inter-Area 42, Van Canh Urban Area, Van Canh Commune, Hoai Duc District, Ha Noi City, Vietnam
- Hotline: +84 982877474
- Email: bulonganhai@gmail.com