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TradeBase Buying Guide
Choose the right window winder in 60 seconds
Six questions, one winder. Australia’s widest COLORBOND®-matched range, direct replacement for Whitco®, Stegbar®, Boral®, Dowell®, Trend®, AWS®, Bradnam® and Wideline®.
Replacing a window winder sounds simple until you open Bunnings and see fifteen variants. Left hand or right? Lockable or not? 100 mm or 300 mm chain? Stainless steel or zinc? And then there’s matching the colour to your window frame. This guide walks you through every decision in the order you should make it, so you end up with the right winder the first time. If you already know what you need, jump straight to our full window winder range.
The 60-second decision
Most window-winder replacements come down to six questions. Work through them in order and you’ll land on exactly one product:
- Which side does it sit on? Left hand or right hand.
- Do you need it to lock? Lockable keyed-alike or non-lockable.
- How far does the window need to open? Standard 300 mm chain, or 100–120 mm restricted for pool safety and child safety.
- Is the home near the coast? Standard zinc chain, or stainless steel for marine environments.
- What colour is the existing winder or frame? 14 COLORBOND®-matched options.
- How many do you need? Single, 6-pack, 10-pack, 20-pack or set trade pricing — all multi-pack winders are keyed alike to one key.
In a hurry? Jump straight to the common scenarios table and pick the row that matches your window. Each row links to the exact product.
1. Left hand or right hand?
This is the question that catches the most people out. The hand of a winder isn’t about which hand you use — it’s about which side of the window the winder body sits on when you’re standing inside the room looking out.
Left hand
Body on the left, viewed from inside
Most common configuration on Australian awning and casement windows. Chain attaches to the sash on the right.
Right hand
Body on the right, viewed from inside
Mirror image of the left hand. Common where the window opens against a wall, beside a door, or in mirrored pairs.
If you’re replacing an existing winder, the simplest test is to look at the broken one before you order. The chain attaches to the sash on the opposite side from the winder body. Still confusing? Take a photo from inside the room with the window open and email it through — we’ll confirm before you buy.
Browse the full range of left and right hand winders.
2. Lockable or non-lockable?
A lockable winder has a key barrel built into the body. Push a button to lock the mechanism in place; turn the key to unlock. A non-lockable winder is mechanically identical minus the lock cylinder.
Lockable (Keyed Alike)
Built-in key barrel
- Ground floor or accessible windows
- Pool fence compliance (with restricted chain)
- Strata, rental, or insurance requirements
- All winders keyed alike — one key opens every winder you order
Non-Lockable (Non-Keyed)
No key, simple operation
- Upper floor windows with no external access
- Aged-care or accessibility-focused homes
- Lowest-cost replacement option
- Same body, mounting and chain — just no lock
🔑 One key, every winder. When you buy multiple lockable TradeBase winders — whether it’s a 6-pack renovator, a 10 or 20-pack, or a custom trade order — every winder in the order is keyed alike to the same key. Our 5-pin C4 profile also matches most existing residential locks, so you can usually have your house keys, door cylinders and winders all on a single key.
Popular lockable: White Left Hand Lockable Keyed Alike and White Right Hand Lockable. Popular non-lockable: White Left Hand Non-Lockable.
3. Standard 300 mm chain, or 100–120 mm restricted?
This is the most safety-critical decision and it’s where most home renovators get it wrong. The chain length determines how far the window can open.
Pool fence compliance — AS 1926.1. Windows opening into a pool zone must be limited to a 100 mm gap. A standard 300 mm winder will fail council inspection. Same rule applies to windows in homes with young children that are 2 metres or more above ground level (BCA child-safety provisions).
Standard 300 mm
Full ventilation, standard awning
- Window opens about 300 mm at the bottom edge
- Default for almost every awning and casement window
- Full natural ventilation, easy to reach over to clean
- Use anywhere a restricted opening isn’t required by law
Restricted 100–120 mm
Pool safety & child safety compliant
- Window opens to a maximum 100 mm gap
- Required for windows in pool zones (AS 1926.1)
- Required upper-floor windows where children present
- Still allows ventilation while preventing access
Restricted-chain examples: White 100 mm Restricted Stainless, Primrose® LH 120 mm Restricted, Dune® LH 120 mm Restricted. Note: a restricted chain doesn’t remove the requirement for a pool fence — it’s an additional compliance layer.
4. Standard zinc chain, or stainless steel?
The chain is the part that wears and corrodes first. The winder body is generally rated for the life of the window, but the chain takes the weather.
Standard zinc chain
Correct for inland and most suburban Australian homes. Backed by our 12-year warranty.
Stainless steel chain
Choose if the home is within ~1 km of the coast, exposed to salt spray, or in any marine corrosion zone. Eliminates rust-streak down the sash.
Stainless options across the colour range: White RH Stainless, Surfmist® Stainless, Stone Beige Stainless.
5. Match the colour to your window frame
TradeBase carries the widest COLORBOND®-matched winder range in Australia. Match the winder body to the window frame so the hardware disappears visually.
Whites & creams
White, Surfmist®, Merino, Primrose™, White Birch™, Classic Cream™
Greys & silvers
Soft Sheen Silver, Silver Satin Chrome, Woodland Grey®, Shale Grey™
Earth tones
Dune®, Paperbark®, Stone Beige, Brown
Black
For Monument®-style frames and contemporary builds
Matching to a non-COLORBOND® powder-coat finish? Send us a photo and we’ll suggest the closest match before you buy.
6. How many do you need? Bulk and trade pricing
Tiered pricing applies to every winder in our range — the more you buy, the lower the per-unit price. And every multi-pack lockable order is keyed alike to a single key, so however many winders you fit, you only ever carry one key.
Single
Standard online pricing. Ships next business day from Australian stock.
10 & 20-pack
Every colour and configuration. Lower per-unit price again. All keyed alike. Email us for a set rate.
Trade / installer
Set pricing locked in for the year. Keyed alike across orders. Priority dispatch.
Big user or installer? Email us now for set pricing
Send us your typical monthly volume and the colours, hands and lock types you fit most often. We’ll come back inside 24 hours with a set trade rate, every order keyed alike, plus priority dispatch.
Brand compatibility — what does TradeBase replace?
TradeBase winders are direct mechanical replacements for the major Australian window-hardware brands. Mounting holes, chain coupling, and key-barrel cut-outs all match — you can usually swap the winder without modifying the frame. Suits timber and aluminium awning and casement windows with butt or hook hinges or non-friction stays.
- Whitco® — including the MK8 chainwinder family: W380116 (lockable white), W380216 (keyed alike white), plus brown, black and silver MK8 variants and the standard non-locking chainwinder. Our 5-pin C4 keyed-alike system matches the original CYL4® key profile.
- Stegbar® — including timber and aluminium awning chainwinder fitments
- Boral®
- Dowell®
- Trend®
- AWS® (Aluminium Windows & Screens)
- Bradnam®
- Wideline®
If your existing winder is a different brand, it’s still likely compatible — the Australian industry standardised on the same mounting pattern decades ago. Email us a photo and we’ll confirm fit before you order.
Brackets, spacers and accessories
If your replacement winder doesn’t sit flush on the existing mounting holes, the issue is usually a difference in body height. We carry purpose-made riser brackets to lift the winder body to the correct height in 16 mm and 20 mm options:
For accessibility, our Easy Grip Handle Adapter is a 45 mm knob that fits over a standard winder handle — useful for residents with arthritis or limited grip strength.
Common scenarios — pick the closest match
| Scenario | What you need | Example product |
|---|---|---|
| Standard suburban awning, white frame | Lockable, 300 mm, zinc, white | White LH Lockable |
| Window above pool zone, white frame | Lockable, 100 mm restricted, white | White 100 mm Restricted |
| Coastal home, Surfmist® frame | Lockable, 300 mm, stainless, Surfmist® | Surfmist® Stainless |
| Black-framed contemporary build | Lockable, 300 mm, black, RH | Black RH Lockable |
| Whole-house renovation, Whitco® replacements | 6-pack, lockable, white, all keyed alike | White 6-Pack Renovator |
| Apartment block / commercial fitout | 10 or 20-pack, set trade pricing, all keyed alike | Email sales@tradebaseaustralia.com.au |
| Upstairs bedroom, no security concern | Non-lockable, 300 mm, white, LH | White LH Non-Lockable |
| Aged-care or accessibility upgrade | Non-lockable + Easy Grip handle adapter | Easy Grip Adapter |
| Heritage timber awning, cream frame | Lockable, 300 mm, Primrose™ or White Birch™ | White Birch™ LH Lockable |
Once you’ve ordered — how to install
Replacing a chain winder takes about ten minutes per window with a single Phillips-head screwdriver. We’ve written a full step-by-step with photos: see How to replace a chain window winder. If your old chain has been sagging or skipping under load, our Anti-Sagging Chain System explains the engineering reason and how the TradeBase keeper plate fixes it.
Still not sure?
Take a photo of the existing winder from inside the room with the window open and email it to us with your address and the frame colour. We’ll match you to the correct product in one reply — no obligation. Most replies are back within an hour during Australian business hours.
Or browse the full window winder range filtered by colour, hand, lock type and chain length. For 10-pack, 20-pack, or trade volume pricing — all keyed alike to one key — email sales@tradebaseaustralia.com.au for a set rate.