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skip to Bulldog GD400 Garage Door Lock

Bulldog GD400 Garage Door Lock

£100.79

(£83.99 ex VAT)

sku: GD400

Designed to work by fixing the garage door down to the concrete floor.

The Bulldog GD400 Garage Door Lock will fit inside or outside most metal, glass fibre, plastic or wooden garage doors.

Comes complete with angle bracket back plate & ground tube, all fasteners and Bulldog Super Lock Bolt.

**Keyed alike will have a 10-14 day lead time

Key Option

Keys Supplied: per lock ( total) total (unless ordering multiple groups)
Additional Keys are available below
Qty:

Shipping From:

When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

Dimensions Image: Bulldog GD400 Garage Door Lock

Brand

SKU

GD400

Box Contents

2 keys

fixing screws

FAQs

The Bulldog GD400 is designed to work with a wide range of door materials, including metal, glass fibre, plastic, and wood.

Yes, the GD400 can be installed on either the inside or outside of the garage door, allowing you to choose the setup that best suits your security needs.

Yes, this garage lock requires drilling into the concrete floor and then re-concreting the ground tube into place to ensure a secure anchor point.

The kit comes with all essential components for setup:

  • Angle bracket back plate
  • Ground tube
  • All necessary fasteners
  • Bulldog Super Lock Bolt

Related Products

skip to Extra Key Radial Pin Key for Bulldog Locks

Extra Key Radial Pin Key for Bulldog Locks

£17.99

(£14.99 ex VAT)

sku: EXK-Bulldog
  • Specifically engineered for Bulldog security lock systems
  • High-security radial pin profile for increased resistance
  • Cut to code for seamless compatibility with existing locks
  • Ideal for use as a functional spare or replacement key
  • Durable construction ensures reliable long-term performance
  • Large key head design provides improved leverage and grip
  • Integrated attachment hole for convenient key ring mounting

EACH KEY IS CUT BY BULLDOG =

PLEASE ALLOW 10-14 WORKING DAYS FOR DELIVERY = NOT AVAILABLE ON THE 2-3 DAY DELIVERY SERVICE WE USUALLY CAN OFFER

Keys Supplied: per lock ( total) total (unless ordering multiple groups)
Qty:

Shipping From:

When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

The Bulldog Radial Pin Key is a technical replacement component designed specifically for the Bulldog security range. It is used as a functional spare or a direct replacement for lost keys, ensuring continued access to assets protected by Bulldog hitch locks, wheel clamps, or security posts.

This key utilises a radial pin configuration, which offers a higher level of security compared to standard flat keys. Each unit is precision-cut to a specific key code provided at the time of order, maintaining the integrity of the original security system. This professional cut-to-code service eliminates the need for expensive lock replacements and ensures smooth mechanical operation within the cylinder.

Common applications include:

  • Maintaining access to caravan and trailer hitch locks
  • Operating heavy-duty wheel clamps on vehicles or plant machinery
  • Securing commercial premises via Bulldog security posts

Constructed for longevity, the key features a robust head design that allows for easy torque application during locking and unlocking. Its profile is compatible across various Bulldog models that standardise on the radial pin locking mechanism.

Brand

SKU

EXK-Bulldog

Box Contents

1 key