Forest & Garden –
  • Customer support
  • Automower® support
  • Register product
  • Contact us

Robotic Lawn Mowers
  • All Robotic Lawn Mowers
  • Commercial Robotic Lawn Mowers
  • Residential Robotic Lawn Mowers
  • For Robotic Lawn Mowers
Riding Lawn Mowers
  • All Riding Lawn Mowers
  • For Riding Lawn Mowers
Ride-On Front Mowers
  • All Ride-On Front Mowers
  • Commercial Ride-On Front Mowers
  • For Ride-On Front Mowers
Zero-Turn Lawn Mowers
  • All Zero-Turn Lawn Mowers
  • Professional Zero-Turn Lawn Mowers
  • Residential Zero-Turn Lawn Mowers
  • For Zero-Turn Mowers
Push Lawn Mowers
  • All Push Lawn Mowers
  • Commercial Lawn Mowers
  • Battery Lawn Mowers
  • Gas Push Lawn Mowers
  • For Push Lawn Mowers
Stand-On Lawn Mowers
  • All Stand-On Lawn Mowers
Also view
  • About robotic lawn mowers
  • About professional robotic lawn mowers
  • About zero-turn mowers
  • Buying a zero-turn mower
  • Zero-turn & riding mower accessory fit up chart
  • About garden tractors
  • Buying a garden tractor
  • Buying a push lawn mower
Chainsaws
  • All Chainsaws
  • Professional Chainsaws
  • Residential Chainsaws
  • Battery Chainsaws
  • Petrol Chainsaws
  • Top Handle Chainsaws
  • For Chainsaws
Forestry Clearing Saws
  • All Forestry Clearing Saws
  • Forestry Clearing Saw Filing Equipment
  • For Forestry Clearing Saws
Axes
  • All Axes
  • Axes with Composite Handle
  • Axes with Wooden Handle
  • Handforged Axes with Wood Handle
Pole Saws
  • All Pole Saws
  • Professional Pole Saws
  • Battery Pole Saws
  • Gas Pole Saws
  • For Pole Saws
Power Cutters
  • All Power Cutters
  • Battery Power Cutters
  • Gas Power Cutters
  • For Power Cutters
Also view
  • About chainsaws
  • Chainsaw selector
  • Bars & chains guide
  • About professional chainsaws
  • How to prepare for a storm
  • About pole saws
  • Best axe for splitting wood
String Trimmers
  • All String Trimmers
  • Combi Trimmers
  • Professional String Trimmers
  • Residential String Trimmers
  • Battery String Trimmers
  • Gas String Trimmers
  • For Grass Trimmers and Brushcutters
Brushcutters
  • All Brushcutters
  • Brushcutter Filing Equipment
  • Professional Brushcutters
  • Battery Brushcutters
  • Gas Brushcutters
  • For Grass Trimmers and Brushcutters
Lawn Edgers
  • All Lawn Edgers
Leaf Blowers
  • All Leaf Blowers
  • Professional Leaf Blowers
  • Residential Leaf Blowers
  • Battery Leaf Blowers
  • Gas Leaf Blowers
  • For Leaf Blowers
Hedge Trimmers
  • All Hedge Trimmers
  • Professional Hedge Trimmers
  • Residential Hedge Trimmers
  • Battery Hedge Trimmers
  • Gas Hedge Trimmers
  • Pole Hedge Trimmers
  • For Hedge Trimmers
Also view
  • About string trimmers
  • About leaf blowers
  • About hedge trimmers
Battery Equipment
  • All Battery Equipment
  • Batteries
  • Battery Accessories
  • Battery Boxes
  • Battery Chargers
Battery Products
  • Battery Brushcutters
  • Battery Chainsaws
  • Battery Hedge Trimmers
  • Battery Lawn Mowers
  • Battery Leaf Blowers
  • Battery Pole Saws
  • Battery Power Cutters
  • Battery Snow Blowers
  • Battery String Trimmers
Also view
  • About battery products
  • Max Battery Series
  • We are battery power
  • Battery vs Gas
Snow Blowers
  • All Snow Blowers
  • Battery Snow Blowers
  • Professional Snow Blowers
  • Residential Snow Blowers
  • For Snow Throwers
Also view
  • About snow blowers
  • Winter lawn care
  • Buying a snow blower
Lawn & Garden Hand Tools
  • All Lawn & Garden Hand Tools
Sprayers
  • All Sprayers
Equipment
  • Arborist Tools
  • Battery Equipment
  • Forestry Tools and Axes
  • Personal Protective Equipment
Fuel and Oil
  • All Fuel and Oil
  • 2-Stroke Fuel and Oil
  • 4-Stroke Fuel and Oil
  • Grease and Oils
Clothing & Toys
  • Branded Merchandise
  • How to mix 2-stroke fuel for chainsaws, trimmers & leaf blowers
For Robotic Lawn Mowers
For Push Lawn Mowers
For Ride-On Front Mowers
For Zero-Turn Mowers
For Riding Lawn Mowers
Also view
  • Customer Support
  • How-To's & Guides
  • Dealer Locator
  • Warranty
For Chainsaws
For Power Cutters
For Pole Saws
Also view
  • Bars & chains guide
  • Customer Support
  • How-To's & Guides
  • Warranty
  • Dealer Locator
For Grass Trimmers and Brushcutters
For Hedge Trimmers
For Forestry Clearing Saws
Also view
  • Customer Support
  • How-To's & Guides
  • Warranty
  • Dealer Locator
For Leaf Blowers
For Tillers
For Snow Throwers
For Scarifiers and Dethatchers
Also view
  • Customer Support
  • How-To's & Guides
  • Warranty
  • Dealer Locator
For Pressure Washers
Also view
  • Customer Support
  • How-To's & Guides
  • Warranty
  • Dealer Locator
Services for homeowners
  • Husqvarna Connect
  • Automower® Winter Storage
  • Husqvarna Financing
Services for professionals
  • Husqvarna Financing
  • Commercial Fleet Program
Arborist supplies & tree surgeon equipment
Golf course maintenance and equipment
Commercial landscaping & grounds care business
Facility and commercial property maintenance and equipment
Government
View all professional solutions
Digital Services
  • Professional battery power – for what matters
  • About professional robotic lawn mowers
  • About chainsaws
  • About professional ride-on front mowers
Commercial Landscaping
Forestry
Home & garden
Professional tree care
Chainsaw Academy
View all within Learn & discover
Current Offers
New Arrivals
  • My favourites
  • Customer support
  • Automower® support
  • Register product
  • Contact us
Forest & Garden
  1. Home
  2. Spare Parts
  3. 503226504
SQUARE NUT

SQUARE NUT

 
 
 
Dealer Locator

Product Information

Fits to model (27)

Grass Trimmers

  • HUSQVARNA 223L

Power cutters

  • Husqvarna K 540i
  • Husqvarna K 4000
  • Husqvarna K 970 Rescue
  • Husqvarna K 970
  • Husqvarna K 1270
  • Husqvarna K 770
  • Husqvarna K 1 PACE

Leaf Blowers

  • Husqvarna 150BT
  • HUSQVARNA 356BT
  • Husqvarna 550iBTX (battery and charger included)
  • HUSQVARNA 340iBT

Power Cutters

  • Husqvarna K 3000 Vac
  • Husqvarna K 760
  • Husqvarna K 970
  • Husqvarna K 970 Rescue
  • Husqvarna K 1270

Forestry Clearing Saws

  • HUSQVARNA 535FBx
  • HUSQVARNA 336FR
  • HUSQVARNA 545FX AutoTune
  • HUSQVARNA 555FX
  • HUSQVARNA 555FXT

Brushcutters

  • HUSQVARNA 327Rx
  • HUSQVARNA 327RJx

Pole Saws

  • HUSQVARNA 327P4
  • HUSQVARNA 327P5x
  • 525DEPS MADSAW

You're at Husqvarna Forest & Garden Canada

Fueled by passion for innovation since 1689, Husqvarna provides professional forest, park and garden products. Performance and usability meet safety and environmental care in our leading-edge innovations, where battery solutions and robotics lead the way.

Get the latest updates!

Get the latest info on new products, special offers and more. Sign up for our newsletter here.

Newsletter Sign-up

Explore our range

Chainsaws
Robotic Lawn Mowers
Riding Lawn Mowers
String Trimmers
Hedge Trimmers
Push Lawn Mowers
Leaf Blowers
Ride-On Front Mowers

Explore our range

Chainsaws
Robotic Lawn Mowers
Riding Lawn Mowers
String Trimmers
Hedge Trimmers
Push Lawn Mowers
Leaf Blowers
Ride-On Front Mowers

Useful links

Husqvarna MyPages
Find a dealer
Become an Authorized Dealer
Contact Us
News & Media
Offers
Legal product information
  • Vibration information
Other Husqvarna Sites
  • Husqvarna Construction Equipment
  • Husqvarna Motorcycles
  • Husqvarna Sewing Machines
Husqvarna's take on sustainability

Get the latest updates!

Get the latest info on new products, special offers and more. Sign up for our newsletter here.

Newsletter Sign-up
©2026 Husqvarna AB (publ). Due to continuous improvement, product may vary slightly from images but machine functionality is unchanged. All rights reserved.
  • Customer Support
  • Terms Of Use
  • Privacy
  • Imprint
  • Report Suspected Violations
  • Modern Slavery Act