Timco Mixed Cotter Pins Zinc 16 Pack
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About this product
Description
Preventing nuts and bolts from backing off through vibration is a routine requirement across automotive work, machinery maintenance, and general engineering. Timco mixed cotter pins in zinc-plated carbon steel are the traditional mechanical fastener for the job. A cotter pin — also called a split pin — threads through a drilled hole in a bolt or clevis pin and bends back on itself to lock the nut or component in position. This mixed pack provides three sizes to suit a range of applications.
Key features
- Three sizes in one pack: 2.7 x 37.5mm (10 off), 3.5 x 48mm (4 off), and 3.7 x 72.5mm (2 off) — 16 cotter pins total
- Zinc-plated carbon steel construction for corrosion resistance in clean, dry environments
- Split pin design — insert through a drilled hole, spread the legs to lock nut or pin in place
- Mixed pack format covers the most commonly needed cotter pin sizes for light mechanical work
Cotter pins are found across a wide range of applications in both the home workshop and light mechanical trade. Common uses include securing castle nuts on wheel bearings and steering joints, locking clevis pins on linkage rods and trailer hitches, retaining axle pins on garden machinery and ride-on mowers, and providing a positive lock on any bolt where vibration might otherwise back the nut off. They are also used in children’s play equipment assembly and swing-set hardware to retain pivot bolts. The zinc coating provides adequate protection for indoor or sheltered outdoor applications — for use in fully exposed or immersed environments, stainless steel split pins should be specified instead.
To install: select the correct size for the hole diameter, push through the drilled hole, spread the two legs apart in opposing directions and fold back against the washer or nut face. Never reuse a removed cotter pin — always fit a fresh pin after reassembly.
Please verify pin sizes against your application requirements before purchase. Full specification details are on the product packaging. Available at Total DIY Wicklow — visit totaldiy.ie or call 01 201 8798.
Additional information
| Weight | 0.05 kg |
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FAQs
Of course! Choosing the right paint depends on the surface, location, and finish you’re after. For interior walls, we recommend quality emulsions from Crown or Johnstone’s. For exterior masonry, Sandtex and Dulux Weathershield offer excellent protection against Irish weather. Wood projects benefit from Sadolin or Ronseal for long-lasting results. If you’re unsure, call us on 01 201 8798 or visit our Kilcoole store where our team can advise on the best products for your specific project.
Yes! Through our Total Nature range, we offer high-quality grain-free dog food and cat food, natural pet treats, and a selection of wild bird seed blends. We believe pets deserve quality nutrition, which is why we’ve carefully selected our pet food range. You can shop online or visit our Kilcoole store to browse the full selection. We’re happy to help you find the right food for your pet’s needs.
Total DIY is a family-owned hardware store in Wicklow offering a wide range of products for home improvement, trade, and garden projects. Our main categories include interior and exterior paints from trusted brands like Crown, Sadolin, Sandtex, and Blackfriar, as well as plumbing supplies, electrical fittings, hand tools, power tools, building materials, and home & garden essentials. We’re also proud to be local pet food experts, stocking quality grain-free pet food and wild bird seed. Whether you’re a DIY beginner or a seasoned tradesperson, you’ll find everything you need in-store or online.
We offer delivery across Ireland with rates depending on your location and order size. Standard delivery to most areas is available, with larger or heavier items quoted individually. Delivery times are typically 2-5 working days, though during busy periods this may be slightly longer. For full details and current delivery times, please visit our Delivery Information page or contact us directly on 01 201 8798.
Yes, our Click & Collect service is completely FREE. Simply place your order online, select Click & Collect at checkout, and we’ll prepare your items at our store in Kilcoole, Co. Wicklow. You’ll receive an email when your order is ready, and you can collect during our opening hours. It’s a convenient way to shop online and pick up locally without any delivery wait.
We accept returns within 15 days of delivery, provided items are unopened and in their original packaging. If you’ve changed your mind or ordered the wrong item, simply contact us to arrange your return. For full terms and conditions, please see our Returns Policy page. If you have any questions, our team is happy to help.
We’re sorry if something has arrived damaged or incorrect. Please contact us within 48 hours of receiving your order, and include photos of the damage or the incorrect item. We’ll arrange a replacement or refund as quickly as possible. You can reach us by phone on 01 201 8798 or through our Contact Page. We’re committed to making things right.


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