Best Singularity Supplies Spring Pins of 2025

Corey Phillips Avatar
Corey Phillips
Last Updated: 1 Feb 2025

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Singularity Supplies offers a range of high-quality spring pins that are designed to provide secure and reliable fastening solutions. These spring pins are made from durable materials and are suitable for various applications. With their precise dimensions and excellent craftsmanship, Singularity Supplies spring pins ensure a secure fit and reliable performance. Whether you need to fasten components together or stabilise moving parts, these spring pins are a reliable choice.

At a Glance: Our Top Picks

D4 Heavy Slotted Spring Pins - 20 Pack Cover #TOP 1
D4 Heavy Slotted Spring Pins - 20 Pack
ftb score rating icon 9.9
D3.5 Heavy Slotted Spring Pins Pack of 20 Cover #TOP 2
D3.5 Heavy Slotted Spring Pins Pack of 20
ftb score rating icon 9.8
D5 Heavy Slotted Spring Pin Pack of 20 Cover #TOP 3
D5 Heavy Slotted Spring Pin Pack of 20
ftb score rating icon 9.6

Top 10 Singularity Supplies Spring Pins

#TOP 1

D4 Heavy Slotted Spring Pins - 20 Pack

D4 Heavy Slotted Spring Pins - 20 Pack Cover
D4 (4mm x 50mm) Slotted Spring Pin (Heavy) - Stainless Steel (A1) (Pack of 20)

The D4 Spring Pins are crafted from durable stainless steel (A1), ensuring they withstand heavy-duty applications. Their slotted design allows for easy insertion and removal, which adds convenience to your projects. The tension locking feature securely holds components in place, giving you peace of mind during use. Additionally, the chamfered tip aids in smooth entry, preventing damage to surrounding materials. Whether you're a professional or a DIY enthusiast, these pins will enhance your assembly tasks.

What We Like
Durable stainless steel construction
Easy to insert and remove
Secure tension locking
Chamfered tip for smooth entry
Ideal for heavy-duty use
#TOP 2

D3.5 Heavy Slotted Spring Pins Pack of 20

D3.5 Heavy Slotted Spring Pins Pack of 20 Cover
D3.5 (3.5mm x 22mm) Slotted Spring Pin (Heavy) - Stainless Steel (A1) (Pack of 20)

The D3.5 Slotted Spring Pins are designed for heavy-duty use, making them ideal for applications requiring strong, reliable fastening. Their slotted design allows for easy installation and removal, providing you with convenience during assembly. The chamfered tip aids in smooth insertion, reducing the risk of damage to your materials. Made from stainless steel (A1), these pins offer excellent resistance to corrosion, ensuring long-lasting performance even in challenging environments.

What We Like
Durable stainless steel material
Easy to install and remove
Heavy-duty design
Corrosion-resistant
Chamfered tip for smooth insertion
#TOP 3

D5 Heavy Slotted Spring Pin Pack of 20

D5 Heavy Slotted Spring Pin Pack of 20 Cover
D5 (5mm x 32mm) Slotted Spring Pin (Heavy) - Stainless Steel (A1) (Pack of 20)

The D5 Spring Pin is a robust solution for your fastening needs. Its slotted design allows for easy installation, making it user-friendly. With a chamfered tip, the pin ensures smooth insertion, reducing the risk of damage to your materials. Being made from stainless steel (A1), it provides excellent durability and resistance to corrosion, which is crucial for long-lasting performance. Additionally, the heavy-duty nature of this spring pin guarantees strong and reliable locking, giving you peace of mind in your projects.

What We Like
Durable stainless steel material
Easy to install
Chamfered tip for smooth insertion
Strong locking mechanism
Pack of 20 for convenience
#TOP 4

D3 Slotted Spring Pin - Heavy Duty

D3 Slotted Spring Pin - Heavy Duty Cover
D3 (3mm x 5mm) Slotted Spring Pin (Heavy) - Stainless Steel (A1) (Pack of 20)

The D3 Spring Pin is a robust and reliable fastening solution made from high-quality stainless steel (A1). Its slotted design allows for easy insertion and removal, while the chamfered tip ensures smooth operation. With a heavy-duty construction, this pin provides excellent tension locking, making it ideal for applications where security is paramount. By choosing this product, you benefit from a durable and efficient fastening option that simplifies your projects and enhances their overall reliability.

What We Like
Durable stainless steel construction
Easy insertion and removal
Secure tension locking
Chamfered tip for smooth operation
Heavy-duty for reliable performance
#TOP 5

D4.5 Slotted Spring Pin Pack of 20

D4.5 Slotted Spring Pin Pack of 20 Cover
D4.5 (4.5mm x 30mm) Slotted Spring Pin (Heavy) - Stainless Steel (A1) (Pack of 20)

The Singularity D4.5 Spring Pins are designed for reliability and strength. Made from heavy-duty stainless steel (A1), these pins ensure durability in various applications. The slotted design allows for easy insertion and removal, making your tasks more efficient. Their chamfered tips provide a smooth entry, reducing the risk of damage during installation. With a tension locking feature, you can trust that these pins will stay securely in place, providing peace of mind in your projects.

What We Like
Durable stainless steel material
Easy insertion and removal
Smooth chamfered tips
Secure tension locking
Heavy-duty design
#TOP 6

D1.5 Slotted Heavy Spring Pins (Pack of 20)

D1.5 Slotted Heavy Spring Pins (Pack of 20) Cover
D1.5 (1.5mm x 10mm) Slotted Spring Pin (Heavy) - Stainless Steel (A1) (Pack of 20)

The D1.5 Spring Pins are designed to provide reliable locking through tension, ensuring that your components remain securely in place. With a chamfered tip, these pins offer ease of insertion, making your assembly tasks smoother and more efficient. Crafted from heavy-duty stainless steel (A1), they guarantee durability and resistance to corrosion, which is essential for long-lasting use. Whether you're working on home projects or in a professional setting, these pins deliver the strength and convenience you need.

What We Like
Durable stainless steel construction
Secure locking mechanism
Easy to insert
Heavy-duty performance
Pack of 20
#TOP 7

D1 Slotted Heavy Stainless Steel Spring Pins

D1 Slotted Heavy Stainless Steel Spring Pins Cover
D1 (1mm x 5mm) Slotted Spring Pin (Heavy) - Stainless Steel (A1) (Pack of 20)

The D1 Spring Pins are designed for reliability and durability. Being slotted spring pins, they provide excellent tension locking, ensuring that your components stay securely in place. The chamfered tip makes insertion easier, allowing you to avoid damaging surrounding materials during installation. Made from heavy-duty stainless steel (A1), these pins offer great strength and corrosion resistance, making them perfect for a variety of applications. You can trust these pins for both indoor and outdoor use, enhancing the longevity of your projects.

What We Like
Durable stainless steel construction
Easy insertion with chamfered tip
Strong tension locking
Suitable for various applications
Heavy-duty design
#TOP 8

D2.5 Slotted Spring Pin Heavy Stainless Steel

D2.5 Slotted Spring Pin Heavy Stainless Steel Cover
D2.5 (2.5mm x 20mm) Slotted Spring Pin (Heavy) - Stainless Steel (A1) (Pack of 20)

The Singularity Supplies Spring Pin is a robust solution for your fastening needs. Made from heavy-duty stainless steel (A1), it offers excellent durability and corrosion resistance, ensuring long-lasting performance. The slotted design allows for easy installation and removal, making your projects more efficient. With a chamfered tip, this pin simplifies the insertion process, reducing the risk of damage to the surrounding material. Its tension locking feature keeps components securely in place, providing peace of mind in various applications.

What We Like
Durable stainless steel construction
Easy installation and removal
Chamfered tip for smooth insertion
Tension locking for secure fit
#TOP 9

D2 Slotted Heavy Stainless Steel Spring Pins

D2 Slotted Heavy Stainless Steel Spring Pins Cover
D2 (2mm x 28mm) Slotted Spring Pin (Heavy) - Stainless Steel (A1) (Pack of 20)

The D2 Stainless Steel Pins are designed for reliable fastening in various applications. Their slotted design allows for easy insertion and removal, making your tasks more efficient. The chamfered tip ensures a smooth entry, preventing damage to the surrounding materials. Being made of heavy-duty stainless steel (A1), these pins offer excellent durability and strength, ensuring they withstand demanding conditions. With their tension locking feature, you can trust that your components will remain securely in place.

What We Like
Durable stainless steel material
Easy to insert and remove
Chamfered tip for smooth entry
Heavy-duty for demanding tasks
Tension locking for secure hold
#TOP 10

M2 Stainless Steel Split Cotter Pins Pack

Silver
2 x 36
M2 Stainless Steel Split Cotter Pins Pack Cover
M2 (2mm x 36mm) Split Cotter Pin - Stainless Steel (A2) (Pack of 40)

The Singularity Supplies Cotter Pins are made from high-quality stainless steel (A2), ensuring durability and resistance to corrosion. With their extended prong locking feature, these pins provide a secure fastening solution for various applications. The square cut tip enhances ease of insertion into materials, making your tasks more efficient. Complying with the DIN94 standard, these pins guarantee reliability in their performance, giving you confidence in their use for both professional and DIY projects.

What We Like
Durable stainless steel material
Secure extended prong locking
Easy insertion with square cut tip
DIN94 standard compliance
Suitable for various applications
Buying Guide Image
Editor's Notes

During our Singularity Supplies spring pin research, we found 10 Singularity Supplies spring pin products and shortlisted 10 quality products. We collected and analyzed 3,076 customer reviews through our big data system to write the Singularity Supplies spring pins list. We found that most customers choose Singularity Supplies spring pins with an average price of £5.49.

The Singularity Supplies spring pins are available for purchase. The top 10 picks range in price from a low of £5.00 to a high of £5.00, find the one that fits your budget. The seller of top 1 product has received honest feedback from 675 consumers with an average rating of 4.9.

Written by
Corey Phillips Avatar

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.