S SYDIEN
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6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
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6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2 Shoulder Dia, 1-1/2 Shoulder Length, 3/8-16 UNC Thread
With a high cylindrical head, socket cap head fasteners have a recessed driving area and offer high hold power at high torque levels.
6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2" Shoulder Dia, 1-1/2" Shoulder Length, 3/8"-16 UNC Thread
Item #: 32141708

6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt 1/2" Shoulder Dia, 1-1/2" Shoulder Length, 3/8"-16 UNC Thread

Item #: 32141708

GBP 21

Price Details

Price
GBP 21

Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )

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Only 4 items left in stock.
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Tuesday, July 28
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With a high cylindrical head, socket cap head fasteners have a recessed driving area and offer high hold power at high torque levels.
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What Stands Out

Durable Material
Crafted from high-quality alloy steel, these screws offer exceptional strength and durability, making them ideal for heavy-duty applications and ensuring long-lasting performance in demanding environments.
Precision Design
The hexagon socket head allows for easy and reliable torque application, while the precise shoulder dimensions ensure a perfect fit, reducing assembly time and enhancing overall project efficiency.
Versatile Use
Designed for various applications, these screws are perfect for mechanical assemblies, woodworking, and automotive projects, providing flexibility and value for professionals and DIY enthusiasts alike.

Product Details

Shop the strongest and durable Sydien Alloy Steel Shoulder Bolt online at Ubuy UK. Hexagon-shaped hole with high hold power and high torque levels. Perfect for automotive and mechanical applications. Fast shipping & 100% after-sales service!
  • Package Content: 6Pcs Shoulder Screws. Shoulder Length: 1-1/2". Shoulder Diameter: 1/2". Thread Size: 3/8"-16. Total Size: 62mm*18mm/2.44"*0.71"(L*D)
  • These shoulder screws is made of alloy steel, strongest and durable. Alloy steel is one of the strongest materials used in fasteners, making this an ideal material to use when the primary concern is the application pulling apart
  • Coarse threads are better for brittle materials, and will assemble and disassemble more quickly than fine threads
  • With a high cylindrical head, socket cap head fasteners have a recessed driving area and offer high hold power at high torque levels
  • Shoulder bolt is widely used for several different applications,including those that involve rotation or require a locking type of screw
Thread Size3/8"-16 (9692.6 cm)
Item Weight0.36 Kilograms
Thread CoverageFully Threaded
Fastener Size1/2*1-1/2
Size Name1/2*1-1/2
Item Diameter0.5 Inches (1.3 cm)
Compatible Groove Diameter0.5 Inches (1.3 cm)
Number of Pieces6
Outside Diameter0.5 Inches (1.3 cm)
BrandS SYDIEN
ColorSilver
Fastener TypeHexagon Bolt
UPC756171212666
Set NameS SYDIEN Alloy Steel Hexagon Socket Head Shoulder Screw Set (6 Pcs, 1/2*1-1/2, 3/8"-16 UNC)
Number Of Items6
Part NumberH20181001BC0876
Unit Count6.0 Count
ManufacturerSydien
Screw Head StyleSocket
Screw Point StyleSocket Point
Head TypeSocket
Thread TypeUnc
Set Screw Thread TypeUNC
Thread StyleRight Hand Coarse
Thread ClassCoarse
Grade RatingClass 8.8
Drive SystemExternal Hex
Material TypeAlloy Steel
Exterior FinishAlloy Steel
Metal TypeAlloy Steel
Finish TypesUncoated
MaterialAlloy Steel
Head StyleSocket
Point StyleSocket Point

Who Should Buy?

Suitable For
  • Machinists

    Ideal for machinists needing reliable and precise shoulder screws for intricate mechanical assemblies and constructions.

  • DIY Enthusiasts

    Great for DIY projects, providing strong fastening options for various home repairs and creative constructions.

  • Industrial Applications

    Suitable for industrial machinery requiring robust shoulder bolts for high-load applications and extended durability.

Not Suitable For
  • Light Duty Use

    Not ideal for applications requiring lightweight or non-load bearing components, as these are heavy-duty bolts.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What materials are the Sydien shoulder screws made of?

    Answer: The Sydien shoulder screws are crafted from high-quality alloy steel, ensuring excellent durability and strength. Alloy steel is known for its hardness and resilience, making these screws suitable for a variety of demanding applications. This material can withstand significant stress and impact, making it ideal for mechanical and industrial uses where reliability is crucial.
  • Question: What is the significance of the shoulder diameter and shoulder length in these screws?

    Answer: The shoulder diameter of 12mm and shoulder length of 1-12mm are critical dimensions that define the screw's application. The shoulder acts as a precise location for assembly, providing enhanced stability and strength in connections. These specifications ensure that the screws fit correctly in their respective applications, making them perfect for machine components, fixtures, and frameworks that require a secure, non-loosening attachment.
  • Question: Can these shoulder screws be used for external applications?

    Answer: Yes, the Sydien shoulder screws can be used for external applications provided they are protected from harsh elements and corrosion. Given their alloy steel construction, they offer strength and stability, but it’s advisable to use anti-corrosive coatings or treatments if they will be exposed to moisture. They are ideal for outdoor machinery, car parts, and equipment that may face weather variations.
  • Question: What type of tools are needed to install these screws?

    Answer: To install the Sydien shoulder screws, a hexagonal socket wrench or Allen key is required, as they feature a hexagon socket head design. This allows for efficient torque application without damaging the screw head. Using the correct size tool ensures a proper fit and secure installation, making these screws a go-to choice for precise engineering tasks and mechanical repairs.
  • Question: Are these screws suitable for 3D printing applications?

    Answer: Yes, the Sydien shoulder screws are suitable for 3D printing applications as they can serve as structural components in various 3D printed products. Their shoulder design allows for secure connections, which is beneficial in 3D prints where stability is needed. They can be used in assembly kits or fixtures, providing a strong and reliable component in your printed designs.
  • Question: What is the thread specification of these screws?

    Answer: The Sydien shoulder screws feature a 3/8-16 UNC thread, which indicates a unified coarse thread standard. This specification ensures compatibility with numerous nuts and tapped holes, making them versatile for diverse applications. The coarse thread design aids in quick and easy assembly and provides effective gripping strength, vital for mechanical engineering and construction purposes.
  • Question: In what industries are these screws predominantly used?

    Answer: These shoulder screws are predominantly used in manufacturing, automotive, and machinery industries. Their strength and precise dimensions make them ideal for applications like assembly of mechanical parts, industrial machinery maintenance, and custom builds. They are also useful in the aerospace sector where precision and strength are paramount, ensuring that components are securely fastened.
  • Question: How many screws are included in one package?

    Answer: Each package of the Sydien shoulder screws includes 6 pieces, providing an adequate quantity for various projects or repairs. This allows users to conveniently stock up on a common fastener type without needing to purchase larger packs for smaller tasks. Ideal for both DIY enthusiasts and professional tradespeople, this quantity serves well in various construction and repair scenarios.
  • Question: What makes these shoulder screws different from regular screws?

    Answer: What sets the Sydien shoulder screws apart from regular screws is their unique shoulder design, allowing for enhanced stability and precision in assemblies. Unlike standard screws that only serve to fasten parts together, these screws help maintain alignment, prevent parts from rotating or loosening, and support robust structures. This makes them essential in applications requiring both fastening and support.
  • Question: Where can I buy Sydien 6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt?

    Answer: You can buy the Sydien 6Pcs Alloy Steel Hexagon Socket Head Shoulder Screw Bolt from Ubuy in UK. Ubuy offers a variety of products and is a reliable platform to source this item, ensuring easy access to quality components for your projects. Browse their selection to find the screws that meet your specifications and needs.

S SYDIEN Shoulder Screws Editorial Review

The Sydien Alloy Steel Shoulder Bolt is a 1/4" diameter, 1/2" length, 10-24 UNC thread pack of 6. This product is ideal for mounting bearings onto a block to act as a guide for a crank and pushrod system. Made of durable alloy steel, this shoulder bolt is built to last and can handle heavy loads without bending or breaking. The price of the shoulder bolt is also affordable, making it a great value for any DIY or professional project.

Customer Reviews & Ratings

4.6
118 customers ratings
  • 5 Star
    78%
  • 4 Star
    12%
  • 3 Star
    6%
  • 2 Star
    0%
  • 1 Star
    4%

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Pros

  • Durable alloy steel material
  • Ideal for mounting bearings
  • Can handle heavy loads
  • Comes in a pack of 6
  • Affordable price

Cons

  • No notable Cons mentioned in reviews

Platform Trust & Buyer Confidence

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Mohd
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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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GBP 21

Excluding VAT : VAT will be calculated on the checkout page

Order now and get it around Tuesday, July 28

QTY:

Only 4 items left in stock.
Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
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Fastest cross-border delivery

Features & Benefits

  • Made of Alloy Steel material
  • Hexagon-shaped hole drive system
  • High hold power at high torque levels
  • Widely used in automotive and mechanical applications

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