Precision Shoulder Screw Manufacturer, Supplier & Exporter

Shoulder Screws are precision-machined fasteners featuring a smooth, cylindrical shoulder between the head and threaded shaft. Commonly used in machinery, automotive, and tooling applications, they are available in stainless steel, alloy steel, and carbon steel, manufactured to DIN, ISO, and ASME standards.
M3–M24
Diameter
10–150 mm
Length
DIN • ISO • ASME
Standards
SS • Carbon Steel • Alloy Steel
Materials

Overview

About Shoulder Screw

Shoulder screws are precision-engineered fasteners designed to provide a smooth, cylindrical bearing surface for rotating or sliding components. Featuring a distinct unthreaded shoulder between the head and the threaded shaft, the shoulder screw allows for accurate alignment and controlled movement in assemblies. Manufactured from high-quality materials such as stainless steel, alloy steel, or brass, shoulder screws are produced using advanced machining processes to ensure tight tolerances and consistent dimensions. The design of the shoulder screw supports applications requiring a durable pivot point or spacer, making it ideal for use in machinery, automotive components, and industrial equipment. Key features include a polished shoulder surface for reduced friction, a variety of head styles to accommodate different tools, and corrosion-resistant finishes to enhance longevity in demanding environments.

In terms of performance, shoulder screws offer reliable strength and precision, maintaining structural integrity under repeated stress and motion. Their versatility allows them to be used in a wide range of applications, including die sets, pulleys, linkages, and conveyor systems, where precise positioning and smooth operation are critical. The shoulder screw’s ability to serve as both a fastener and a functional component reduces the need for additional parts, streamlining assembly processes and improving overall efficiency. By combining robust materials with meticulous manufacturing standards, shoulder screws deliver consistent performance and durability, making them an essential component in industrial fastener solutions where accuracy and reliability are paramount.

Shoulder Screw Quick Specifications

Product Type Shoulder Screw
Head Style Knurled or Round Head
Manufacturing Process Cold Forged and Machined
Thread Type Unified National Coarse (UNC) or Unified National Fine (UNF)
Common Materials Carbon Steel, Stainless Steel, Alloy Steel
Available Sizes Shoulder Diameter: 1/8″ to 1″; Thread Diameter: #4 to 1″
Strength Features High Shear Strength, Precision Shoulder Diameter for Accurate Alignment
Typical Applications Machinery, Automotive, Electronics, Pivot Points, Sliding Mechanisms
Surface Finishes Zinc Plated, Black Oxide, Passivated, Plain
Standards ASME B18.3, ISO 7379
Customization Custom Sizes, Materials, Threads & Surface Finishes Available

Shoulder Screw from a Trusted Manufacturer & Supplier

Choose our precision engineered Shoulder Screw for dependable alignment and high strength fastening in demanding industrial applications. As a reliable Shoulder Screw Manufacturer, Supplier, Exporter, and Stockist of Industrial Fasteners, we offer high quality, custom sizes, bulk supply, strict quality control, traceability, competitive pricing, and worldwide shipping.

Precision Machined Shoulder

Ensures exact diameter and smooth surface for accurate alignment and rotation in assemblies.

High Strength Materials

Available in alloy and stainless steels for enhanced tensile strength and corrosion resistance.

Versatile Applications

Suitable for use in automotive, aerospace, and industrial machinery requiring precise component positioning.

Corrosion Resistant Finishes

Options include zinc plating and passivation to protect against environmental degradation.

Smooth Shoulder Surface

Minimizes friction and wear between moving parts for extended service life.

Standard Compliance

Manufactured to meet DIN, ISO, and ASME standards ensuring quality and interchangeability.

Available Material Options For Shoulder Screw In Precision Industrial Applications

Shoulder Screws are commonly made from stainless steel, carbon steel, and alloy steel, offering a balance of strength, corrosion resistance, and temperature tolerance suitable for demanding environments and precision machinery.

Global Engineering Compliance and Quality Standards for Shoulder Screw

These screws conform to international standards such as DIN 5406, ISO 7379, and ASME B18.3, which define dimensions, mechanical properties, and quality requirements for consistent performance.

Shoulder Screw Technical Specifications, Sizes & Engineering Details

Shoulder Screw specifications include shoulder diameter, thread size, overall length, head style, material grade, tolerance class, and surface finish options for precision fastening applications. This technical data supports engineers, contractors, procurement teams, fabricators, and designers in selecting compatible components for accurate alignment, controlled spacing, load performance, and reliable installation.

Technical Specifications

Product TypeShoulder Screw
Thread TypeMetric, UNC, UNF
Diameter RangeM3 to M24
Length Range10 mm to 150 mm
Available MaterialsStainless Steel, Carbon Steel, Alloy Steel
Manufacturing StandardsDIN 5406, ISO 7379, ASME B18.3
Surface FinishZinc Plated, Passivated, Plain

Dimensions

Diameter (mm)Shoulder Length (mm)Thread Length (mm)
M36 – 204 – 10
M610 – 506 – 30
M1220 – 10010 – 50
M2450 – 15020 – 80

Precision Engineering Uses for Shoulder Screw Manufacturer Supplier & Exporter

Shoulder Screw Manufacturer Supplier & Exporter products are used in machinery, automotive assemblies, aerospace equipment, manufacturing systems, and heavy engineering applications where accurate alignment and controlled movement are essential. Their precision shoulder design supports reliable fastening, load-bearing capacity, dimensional accuracy, and smooth rotational or sliding motion. With high strength and long service life, these screws help maintain structural integrity in demanding industrial environments.
In automotive manufacturing, shoulder screws serve as pivot points and spacers in engines, transmissions, and suspension systems, ensuring precise alignment and reliable operation of moving parts.
Used extensively in aerospace assemblies, these screws provide critical alignment and rotational support in aircraft components where precision and safety are paramount.
Robotic systems utilize shoulder screws for accurate joint movement and component positioning, enhancing performance and durability in automated machinery.
In tooling and industrial machinery, shoulder screws act as guides and shafts, enabling smooth operation and reducing wear in high-precision equipment.

Shoulder Screw from a Trusted Manufacturer & Supplier

Choose our precision engineered Shoulder Screw for dependable alignment and high strength fastening in demanding industrial applications. As a reliable Shoulder Screw Manufacturer, Supplier, Exporter, and Stockist of Industrial Fasteners, we offer high quality, custom sizes, bulk supply, strict quality control, traceability, competitive pricing, and worldwide shipping.

Looking for Premium Shoulder Screw?

Contact RealBolt for competitive pricing, expert technical assistance, stock availability, and custom manufacturing solutions tailored to your project requirements.

Shoulder Screw FAQs: Common Questions and Technical Guidance

Shoulder Screw FAQs answer common questions about materials, sizes, applications, standards, surface finishes, production methods, installation practices, performance factors, and product selection. This section provides clear technical guidance to help users understand shoulder screw specifications and choose suitable options for precision fastening needs.
Shoulder screws are typically made from stainless steel, carbon steel, and alloy steel, chosen for their strength, corrosion resistance, and suitability for precision applications. Material selection depends on the operating environment and mechanical requirements.
Common standards for shoulder screws include DIN 5406, ISO 7379, and ASME B18.3, which specify dimensions, mechanical properties, and quality to ensure compatibility and performance across industries.
Shoulder screws are widely used in automotive, aerospace, robotics, and tooling industries where precise alignment, smooth rotation, and reliable fastening are essential for mechanical assemblies.
Selecting the correct shoulder screw size involves considering the shoulder diameter, length, thread size, and application requirements to ensure proper fit, alignment, and load capacity in the assembly.

Industrial Cities We Serve:

  • Ahmedabad
  • Aurangabad
  • Bengaluru
  • Chennai
  • Coimbatore
  • Faridabad
  • Gandhidham
  • Greater Noida
  • Gurugram
  • Hazira
  • Hosur
  • Hyderabad
  • Jamnagar
  • Jamshedpur
  • Ludhiana
  • Mumbai
  • Mundra
  • Mysuru
  • Nagpur
  • Nashik
  • Navi Mumbai
  • Noida
  • Pune
  • Rajkot
  • Sanand
  • Surat
  • Thane
  • Tiruppur
  • Vadodara
  • Visakhapatnam

Countries We Export To:

  • US
  • Canada
  • Mexico
  • Germany
  • UK
  • France
  • Italy
  • Spain
  • Netherlands
  • Belgium
  • Poland
  • Sweden
  • Norway
  • Denmark
  • Turkey
  • UAE
  • Saudi Arabia
  • Qatar
  • Oman
  • Kuwait
  • Bahrain
  • South Africa
  • Egypt
  • Nigeria
  • Australia
  • New Zealand
  • Singapore
  • Malaysia
  • Indonesia
  • Thailand
  • Vietnam
  • South Korea
  • Japan
  • Brazil