304 Stainless Steel Hexagon Socket Shoulder Screw Bolt 1pc

$9.90 $11.18

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304 Stainless Steel Hexagon Socket Shoulder Screw (Contour Shoulder Bolt)

Upgrade your precision fastening projects with this high-quality 304 Stainless Steel Hexagon Socket Shoulder Screw. Designed for applications that demand exact tolerances and reliable performance, this contour shoulder bolt delivers consistent results for engineers, machinists, hobbyists, and DIY enthusiasts alike.

Key Features

Material: Premium 304 stainless steel — excellent corrosion resistance, strength, and durability
Head Style: Round head with internal hexagon (Allen/socket) drive for secure, flush installation
Shoulder Design: Precision-machined contour shoulder for accurate alignment, rotation, and pivot applications
Size Range: Available in multiple sizes from D4×M3 up to D12×M10 — select the size that fits your project
Certification: CE certified
Customizable: Custom sizing available upon request
Package: 1 piece per pack

What Is a Shoulder Screw?

A shoulder screw (also known as a shoulder bolt or stripper bolt) features an unthreaded cylindrical shaft — the "shoulder" — between the head and the threaded portion. This shoulder acts as a precise pivot point, spacer, or guide, making these screws essential in jigs, fixtures, dies, molds, linkages, and machinery assemblies.

Common Applications

Mechanical assemblies and linkage pivots
Tooling, jigs, and fixtures
Mold and die making
Electronic and electrical enclosures
3D printer components and CNC machine parts
Robotics and automation builds

Specifications

Brand	JARBLUE
Material	304 Stainless Steel
Screw Type	Shoulder Screw / Contour Shoulder Bolt
Drive Style	Hexagon Socket (Allen Key)
Head Style	Round
Size Options	D4×M3 to D12×M10
Package Quantity	1 piece
Certification	CE
Country of Origin	Made in Mainland China

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Frequently Asked Questions

Q: What is the difference between a shoulder screw and a standard screw?

A: Unlike a standard screw, a shoulder screw has a smooth, precision-machined cylindrical section (the "shoulder") between the head and the threaded end. This shoulder is used as a pivot point, guide pin, or spacer in mechanical assemblies, providing accurate alignment that a regular screw cannot offer.

Q: What sizes are available for this stainless steel shoulder screw?

A: This shoulder screw is available in a range of sizes from D4×M3 up to D12×M10. Please select the appropriate size for your application when ordering. Custom sizing is also available upon request.

Q: What tool do I need to install this hexagon socket shoulder screw?

A: This screw uses a hexagon socket (Allen key / hex key) drive. Simply use the appropriately sized Allen key or hex wrench that matches the socket head for secure and easy installation.

Q: Is 304 stainless steel suitable for outdoor or corrosive environments?

A: Yes. 304 stainless steel offers excellent resistance to corrosion, oxidation, and rust, making it well-suited for both indoor mechanical assemblies and moderate outdoor or humid environments.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.

We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.