Dongguan Shuangxin Industry Co., Ltd.
                                                                                                           
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23 Years
Since 2003
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Blue Zinc Plated Carbon Steel Hex Head Bolt with Internal Hex Drive - Precision Threaded Fastener ±0.01mm Tolerance

Price Negotiable
Price: Negotiable
MOQ: 100
Delivery Time: Negotiable
Brand: ODM/OEM
Product Description
Product Overview

This high-strength carbon steel bolt combines traditional hex head design with internal hex drive capability, engineered for precision fastening in demanding mechanical and industrial applications.

Key Features & Specifications
Material & Surface Treatment
  • High-quality carbon steel construction
  • Blue zinc electroplating for superior corrosion resistance
  • Suitable for indoor and semi-outdoor environments
  • Extended service life with enhanced durability
Dual Drive System Design
  • Hexagonal head with six symmetrical flat sides for wrench/socket access
  • Internal hex socket (Allen drive) at tail end for confined space applications
  • Robust torque handling capabilities
  • Easy installation and removal flexibility
Precision Thread Engineering
  • Uniform, tightly spaced threads with clear definition
  • Smooth and secure mating with nuts or threaded holes
  • Conforms to industry standards (metric or imperial)
  • Custom threading options available
Applications
  • Machinery assembly and maintenance operations
  • Automotive and engine component fastening
  • Equipment frame and housing installations
  • Electronic enclosures and control panel assemblies
  • Industrial-grade mechanical connections
Manufacturing Capabilities
Capability Available Options
Material Selection Carbon steel, alloy steel, stainless steel (304/316), brass, aluminum, titanium
Thread Types Metric (M), Unified (UNC/UNF), BSW, custom threads (ACME, Trapezoidal)
Head Styles Hex head, socket cap, button head, flat head, pan head, round head
Drive Types Slotted, Phillips, Torx, Allen (hex), custom tamper-proof designs
Surface Treatments Blue zinc plating, black oxide, nickel plating, Dacromet, hot-dip galvanizing
Precision Tolerances ±0.01mm on critical dimensions; threading per ISO/DIN/ANSI/JIS standards
Batch Sizes Small prototype runs to high-volume OEM production
Quality Assurance
  • 100% dimensional inspection
  • Salt spray corrosion testing
  • Hardness and material certification
  • Thread pitch and concentricity verification
Custom Fastener Solutions Available
Submit your drawings, samples, or technical requirements for full OEM/ODM support with competitive pricing and fast response times.
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Company Dongguan Shuangxin Industry Co., Ltd.
Location No. 7,Qinghu Road,Qinghutou,Tangxia Town,Dongguan,Guangdong,China
Contact Person Long

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