Sumner
Sumner Flange Pins
Sumner Flange Pins
- Special Order Product
- Sourced on request — we’ll confirm availability and advise if extended lead times apply before finalising your order.
SKU:780430
Couldn't load pickup availability
- Quick installing pins work as convenient reference points to level flange for tack and weld out - no tools needed
- Hardened tapered pins 780430 and 780429 automatically center on 16 - 42 mm (5/8”-1 5/8”) holes, 780650 similarly set in 38 - 66 mm (1 1/2”-2 5/8”) holes or flange thickness of 117 - 162 mm (4 5/8”- 6 3/8”)
- Customer Promise
- Price Match
- 30-Day Returns
Product Information & Advice
Product Information & Advice
Need More Information?
Need more details? If you have questions about usage, availability, or specs, our team is here to help. Reach us via 24/7 live chat, our contact page, or call (02) 9729 1127 during business hours.
Shipping & Delivery
Shipping & Delivery
We deliver Australia-wide and internationally.
- Australia Post (Parcel & Express)
- Courier Network: TNT, Toll, Northline, Allied, Hunter, Aramex, Go Logistics, UBER (2hr Sydney Metro), and more
With our wide delivery network, you’ll get your order quickly and cost-effectively.
Same-Day Click & Collect
Same-Day Click & Collect
Order before 2:00 PM, and if in stock, collect the same business day. We’ll notify you as soon as your order is ready.
Warranties and Returns
Warranties and Returns
- Manufacturer Warranties + full coverage under Australian Consumer Law
- 30-Day Returns on unopened/unused products (customer pays return shipping)
- Defective Products: free return and replacement, handled with priority
Shop with confidence — we’ve got you covered.
Share



-
Customer Promise
Provide FeedbackAt our core, we provide personalised, honest service to every customer, regardless of their size, budget, or expertise.
-
Expert Advice
Contact usWhy settle for generalists when you can benefit from specialists? With over two decades of experience in the welding and electrical supply industry, we offer tailored advice to meet your specific needs.
-
See it in-person?
Visit usEnjoy a hands-on shopping experience at our Smithfield storefront, where a personalised journey awaits you. Our doors are open, and we can’t wait to welcome you!
Welding Guides
View all-
Choosing the Best Welding Helmet: A Complete Guide
Discover how to choose the best welding helmet for your needs. Learn about auto-darkening lenses, shade levels, viewing size, comfort, and safety features.
Choosing the Best Welding Helmet: A Complete Guide
Discover how to choose the best welding helmet for your needs. Learn about auto-darkening lenses, shade levels, viewing size, comfort, and safety features.
-
How to Stop Porosity in Your Welds
Porosity in welds creates weak spots and poor finishes. Learn the causes of weld porosity and how to prevent it with proper technique, preparation, and equipment.
How to Stop Porosity in Your Welds
Porosity in welds creates weak spots and poor finishes. Learn the causes of weld porosity and how to prevent it with proper technique, preparation, and equipment.
-
What is TIG Welding?
Tungsten Inert Gas (TIG) welding is the process in which an arc is formed between a tungsten electrode and the workpiece to join the metals together. A filler rod is...
What is TIG Welding?
Tungsten Inert Gas (TIG) welding is the process in which an arc is formed between a tungsten electrode and the workpiece to join the metals together. A filler rod is...