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Maco Rail Window Lock Rods

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  • Maco Rail Window Lock Rods.
  • Maco Rail UPVC Window Lock Rod Dimensions.

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Maco Rail Window Lock Rod 20mm Or 22mm Backset GR2 GR3 GR4 GR5

Maco Rail upvc window lock mechanism. The window lock rod has mushroom lock cams for high security locking. The lock rod has either Maco GR.2 400 GR.3 600 GR.4 800 GR.5 100 stamped on the faceplate of the upvc lock rods.


Free delivery on all UK orders.
Your order will arrive in 3-5 days.
Worldwide delivery is available.
Orders dispatched within 24 hrs.

Maco Rail upvc window Lock Rods 20mm & 22mm Back Set GR2 to GR5

  • Backset: 20mm & 22mm
  • Gearbox Mounted: Inline
  • Faceplate: 16mm Flat
  • Length: 400mm to 1000mm
  • Locking Point Type: Mushroom 7.7mm high
  • Number of Locking Points: GR2 & GR3 = 2 (4 cams total)  GR4 & GR5 = 3 (6 cams total)
  • The new lock cams have a Allen key hole in them which when you turn it will move the cams in and out approx 1-2mm to adjust the window compression
  • The gearboxes are stamped Maco BS22 ( = 22mmbackset) or alternatively Maco BS20 (= 20mm backset)


  • Free delivery is offered for all UK mainland orders as standard.
  • Our aim is to pick and pack all orders received by 12 Noon GMT on Mondays to Fridays ready to be despatched the same day.*
  • Smaller items are sent via Royal Mail 2nd class post, whilst larger packages will be sent via one of our secure couriers.
  • You can choose the upgrade to 1st class mail option which Royal Mail state is generally 1-2 days quicker, however not guaranteed. **
  • Our aim is to always provide an excellent, secure and efficient service. UK mainland items are generally delivered within 3-5 working days.
  • Goods that are delivered outside of the UK mainland are likely to have a longer delivery period to accomodate the courier service used. All Non UK Mainland Parts are sent International Signed For Irrespective Of Size Or Quantity

* Excluding bank holidays and holiday shutdowns.
** UK mainland only - we may use Royal Mail Tracked delivery depending on the package size.

Returns Brief

  • Products can be returned within 14 days of delivery by simply requesting a Goods Return Note (GRN) from us. Click here for more details.
  • Goods ordered wrong or no longer required can be returned and must be in the original state supplied, un-used, and un-cut.
  • Special order items must be paid for in full prior to the seller ordering the goods and are not returnable under any circumstances, except where deemed faulty.

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Our online store makes it easy to identify and purchase those double glazing spare parts you have been looking for to repair your pvcu window & doors. Our huge stock holdings & efficient and safe order processing mean that plastic window replacement parts can be safely and confidently ordered and are always quickly despatched once we receive your order. If It's Upvc We Can Help.