Premium Hollow Hex Bolts Manufacturer, Supplier & Exporter

Hollow Hex Bolts are specialized fasteners featuring a hollow shaft and hexagonal head, ideal for weight-sensitive and fluid passage applications. Commonly used in automotive, aerospace, and machinery industries, they are available in stainless steel, carbon steel, and alloy steel, conforming to ASTM and ISO standards.
M6–M36
Diameter
20–200 mm
Length
ASTM • ISO
Standards
SS • Carbon Steel • Alloy Steel
Materials

Overview

About Hollow Hex Bolts

Hollow Hex Bolts are specialized fasteners designed to provide secure and reliable connections in various industrial applications. Characterized by their hexagonal heads and hollow shafts, these bolts allow for weight reduction without compromising structural integrity. Manufactured using precision machining and forging techniques, Hollow Hex Bolts are typically made from high-grade steel alloys, stainless steel, or other corrosion-resistant materials to ensure durability and resistance to environmental factors. Their unique hollow design facilitates the passage of wires, fluids, or other components through the bolt, making them ideal for applications requiring both fastening and conduit functions. The hexagonal head design enables easy installation and removal using standard tools, enhancing efficiency in assembly and maintenance processes.

Performance-wise, Hollow Hex Bolts offer excellent tensile strength and resistance to shear forces, making them suitable for use in automotive, aerospace, construction, and machinery industries. Their ability to reduce overall weight while maintaining strength contributes to improved system efficiency and cost-effectiveness. Additionally, the hollow core can be utilized for lubrication or inspection purposes, extending the service life of the assembled components. The versatility of Hollow Hex Bolts allows them to be employed in both static and dynamic load environments, providing reliable fastening solutions where conventional solid bolts may be less effective. Overall, Hollow Hex Bolts combine innovative design with robust materials to meet demanding industrial fastening requirements.

Hollow Hex Bolts Quick Specifications

Product Type Hollow Hex Bolts
Head Style Hexagonal Head
Manufacturing Process Cold Forged and Machined
Thread Type Fully or Partially Threaded, Metric or UNC/UNF
Common Materials Carbon Steel, Stainless Steel, Alloy Steel
Available Sizes M4 to M24 (Metric), 1/4″ to 1″ (Imperial)
Strength Features High Tensile Strength, Lightweight due to Hollow Shaft
Typical Applications Automotive, Machinery, Structural Assemblies, Lightweight Fastening
Surface Finishes Zinc Plated, Black Oxide, Hot-Dip Galvanized, Plain
Standards ISO 4014, DIN 931, ASTM A193
Customization Custom Sizes, Materials, Threads & Surface Finishes Available

Why Choose Hollow Hex Bolts for Precision Fastening

Choose our Hollow Hex Bolts for applications demanding precision engineering, high strength, and dependable fit. As a trusted manufacturer, supplier, exporter, and stockist of industrial fasteners, we offer custom sizes, bulk supply, strict quality control, traceability, competitive pricing, and worldwide shipping for OEM and EPC procurement teams.

Lightweight Design

Reduces overall assembly weight without compromising strength, ideal for aerospace and automotive applications requiring weight efficiency.

Corrosion Resistance

Available in stainless steel grades providing excellent resistance to rust and harsh environments.

Precision Threading

Manufactured with tight thread tolerances for reliable and secure fastening performance.

Versatile Applications

Suitable for fluid passage, wiring, and lightweight structural assemblies across multiple industries.

High Strength Materials

Produced from carbon and alloy steels to meet demanding mechanical requirements.

Custom Lengths Available

Offered in various lengths to accommodate specific design and installation needs.

Available Material Options for Hollow Hex Bolts in Industrial Applications

Hollow Hex Bolts are commonly manufactured from stainless steel, carbon steel, and alloy steel. Stainless steel options offer superior corrosion resistance for marine and chemical environments, while carbon and alloy steels provide enhanced strength and durability for heavy-duty applications. These materials also withstand a wide temperature range, ensuring reliable performance in diverse operating conditions.

Global Engineering Compliance and Quality Standards for Hollow Hex Bolts

Hollow Hex Bolts adhere to international standards ensuring dimensional accuracy, mechanical properties, and material quality. Compliance with ASTM and ISO standards guarantees compatibility and reliability for global industrial applications, facilitating interchangeability and meeting stringent engineering requirements.

Hollow Hex Bolts Technical Specifications, Dimensions & Material Details

Hollow Hex Bolts are detailed with key engineering data including standard dimensions, diameter and length ranges, thread types, material grades, property classes, surface finishes, and applicable fastening standards. This section helps engineers, contractors, procurement teams, fabricators, and designers verify compatibility, load performance, assembly requirements, and reliable installation in industrial and structural applications.

Technical Specifications

Product TypeHollow Hex Bolts
Thread TypeMetric Coarse and Fine
Diameter RangeM6 to M36
Length Range20 mm to 200 mm
Available MaterialsStainless Steel, Carbon Steel, Alloy Steel
Manufacturing StandardsASTM A193, ISO 4014
Surface FinishPlain, Zinc Plated, Hot-Dip Galvanized

Dimensions

Diameter (mm)Length (mm)
M620–100
M1230–150
M2450–200
M3680–200

Engineering Applications for Hollow Hex Bolts Manufacturer Supplier & Exporter

Hollow Hex Bolts Manufacturer Supplier & Exporter products are used in machinery assemblies, structural frameworks, automotive systems, aerospace components, and heavy engineering projects where internal threading or weight reduction is required. Their precision engineering supports reliable fastening, dimensional accuracy, and strong load-bearing performance. Suitable material selection also provides corrosion resistance, structural integrity, and long service life in demanding industrial environments.
In aerospace, Hollow Hex Bolts reduce aircraft weight while maintaining structural integrity, contributing to fuel efficiency and performance. Their hollow core allows routing of wiring or fluids, essential for complex aerospace assemblies requiring precision and reliability.
Used extensively in automotive manufacturing, these bolts help reduce vehicle weight and enable fluid passage in hydraulic and fuel systems, improving efficiency and performance in engines and chassis components.
Hollow Hex Bolts facilitate fluid transfer within hydraulic machinery by allowing fluid passage through the bolt shaft, ensuring leak-free and efficient system operation in industrial and mobile hydraulics.
In industrial machinery, these bolts provide strong fastening with the added benefit of weight reduction and internal passageways for cables or fluids, enhancing machine design flexibility and maintenance access.

Why Choose Hollow Hex Bolts for Precision Fastening

Choose our Hollow Hex Bolts for applications demanding precision engineering, high strength, and dependable fit. As a trusted manufacturer, supplier, exporter, and stockist of industrial fasteners, we offer custom sizes, bulk supply, strict quality control, traceability, competitive pricing, and worldwide shipping for OEM and EPC procurement teams.

Looking for Premium Hollow Hex Bolts?

Contact RealBolt for competitive pricing, expert technical assistance, stock availability, and custom manufacturing solutions tailored to your project needs. Our team is ready to support your fastener requirements with quality and service excellence.

Hollow Hex Bolts FAQs: Technical Guidance and Product Information

Hollow Hex Bolts FAQs answer common questions about materials, sizes, applications, standards, surface finishes, installation methods, performance factors, and product selection. This section offers practical technical guidance to help engineers, buyers, and maintenance teams understand key specifications and choose the right fastener for demanding industrial assemblies.
Hollow Hex Bolts are typically manufactured from stainless steel, carbon steel, and alloy steel. Stainless steel offers excellent corrosion resistance, ideal for harsh environments, while carbon and alloy steels provide higher strength for demanding mechanical applications. Material choice depends on application requirements such as strength, corrosion resistance, and temperature exposure. Proper selection ensures optimal performance and longevity of the fastener in service.
Hollow Hex Bolts conform to standards such as ASTM A193 and ISO 4014, which specify dimensions, mechanical properties, and material requirements. These standards ensure compatibility, safety, and reliability across various industrial applications, facilitating global interchangeability and quality assurance for critical fastening components.
Hollow Hex Bolts are widely used in aerospace, automotive, hydraulic systems, and industrial machinery. Their lightweight design and hollow core enable fluid or wiring passage, making them essential in applications where weight reduction and specialized functionality are critical for performance and efficiency.
Selecting the correct size involves considering diameter, length, thread type, and material based on load requirements and application environment. Proper sizing ensures adequate strength, fit, and function. Consulting technical specifications and standards, along with engineering guidance, helps determine the optimal bolt dimensions for safe and effective fastening.

Industrial Cities We Serve:

  • Ahmedabad
  • Aurangabad
  • Bengaluru
  • Chennai
  • Coimbatore
  • Faridabad
  • Gandhidham
  • Greater Noida
  • Gurugram
  • Hazira
  • Hosur
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  • Mumbai
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Countries We Export To:

  • US
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