Maco Window Lock Shoot Bolt Gearbox 20mm & 22mm Back Set 244mm Arms

The MACO Croppable Window Lock Gearbox is a versatile replacement window locking mechanism designed for use on a wide range of uPVC windows.

Manufactured by MACO, this replacement window lock features two central mushroom cams, adjustable shootbolt operation and interlocking shootbolt and mushroom strikes to provide secure and reliable window locking.

Product Specifications

• 244mm long
• Two central mushroom cams – 7.7mm tall
• Adjustable shootbolt throw – 10mm to 13mm
• Interlocking shootbolt and mushroom strikes
• Steel cover plate
• Croppable design – can be cut to the required length
• Suitable for a wide range of uPVC window applications
• Genuine MACO window locking mechanism

Secure Mushroom Cam Locking

The lock incorporates two central 7.7mm mushroom cams, designed to engage with the appropriate window keeps and provide secure compression when the window is closed.

The adjustable 10–13mm shootbolt throw provides additional flexibility during installation, while the interlocking shootbolt and mushroom strikes help create a secure locking action around the window.

Ideal For

• uPVC window repairs
• Replacement MACO window locks
• Broken or worn window gearboxes
• Croppable window locking systems
• Professional window installers and locksmiths
• Domestic window repairs and maintenance

Identifying Your Replacement Lock

Before ordering, we recommend removing your existing mechanism and comparing the gearbox style, dimensions, backset, screw centres, mushroom cams and shootbolt arrangement with this replacement.

The croppable design provides additional flexibility, but the main gearbox dimensions and locking points should still be checked carefully before ordering.

A practical and versatile solution for restoring the operation and security of an existing MACO uPVC window locking system.