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High-Precision ISO 7380-2 Hex Socket Flange Button Head Bolts for Machinery
High-Precision ISO 7380-2 Hex Socket Flange Button Head Bolts for Machinery are engineered to meet rigorous industrial standards with superior performance characteristics.
Product Overview
ISO 7380-2 is a globally recognized standard for hexagon socket button head screws featuring an integrated flange or collar under the head. Unlike the standard ISO 7380-1, the ISO 7380-2 design eliminates the need for separate washers, providing a streamlined, low-profile fastening solution. Manufactured from high-quality stainless steel (typically Grade A2-70 or A4-80), these machine screws are designed for applications requiring aesthetic appeal, security, and wide load-bearing surface distribution.
Core Features
Exceptional Hardness: Unlike 300-series stainless steel, 410 grade can be hardened through heat treatment, allowing the screw to penetrate carbon steel sheets and harder substrates without tip burnout.
Time-Saving Efficiency: The integrated drill point eliminates the need for pre-drilling and hole alignment, drastically reducing installation time and labor costs.
Corrosion Resistance: Provides reliable protection against atmospheric corrosion, water, and mild chemicals, superior to standard carbon steel fasteners in humid environments.
High Torque Strength: The hexagonal head design ensures maximum torque transmission and prevents cam-out during high-speed installation with power tools.
Integrated Sealing: Often used with EPDM bonded washers to provide leak-proof seals, critical for outdoor and roofing applications.
Application Scenarios
Automotive & Transportation: Used in interior trim, dashboard assemblies, and external bodywork where smooth, decorative finishes are required.
Industrial Machinery: Ideal for guarding, paneling, and enclosures where space is limited and low-profile heads are necessary.
Electronics & Appliances: Widely used in consumer electronics, server racks, and household appliances due to compact, neat appearance.
Furniture & Architecture: Common in high-end furniture assembly and architectural fixtures where screw heads remain exposed.
Bicycles & Sporting Goods: Used for mounting accessories and structural components requiring high-strength fastening with minimal wind resistance.
Technical Specifications
Packaging Options
Carton Packaging: Bolts are packed in neutral packaging boxes with standard quantities arranged in small cartons. Exact unit quantities per carton are confirmed with customers to align with specific requirements. Customized packaging configurations are available upon request.
Outer Carton Box Packaging: Small cartons are consolidated into larger master cartons for secure transportation and storage. Quantity per master carton can be customized based on client specifications or standard logistical requirements.
Pallet Packaging: Palletized units are securely wrapped with waterproof film and reinforced with packaging straps. Customer-specific shipping marks or labels are affixed to each pallet, ensuring clear identification and compliance with logistics requirements. This final packaging stage guarantees weather-resistant protection and stability during transportation.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2012
Total Annual:
5000000-6000000
Employee Number:
45~53
Ecer Certification：
Verified Supplier
Ningbo Yongbiao Fastener Manufacturing Co., Ltd. is located in Ningbo, the second largest port city in China. The factory is 50 kilometers away from Ningbo Port and can reach the sea freight warehouse in one hour, with very fast logistics. The company was founded in 2012 and after years of hard work... Ningbo Yongbiao Fastener Manufacturing Co., Ltd. is located in Ningbo, the second largest port city in China. The factory is 50 kilometers away from Ningbo Port and can reach the sea freight warehouse in one hour, with very fast logistics. The company was founded in 2012 and after years of hard work...
