Secure your gate with confidence using the Ultralock Weldable Security Gate Lock range, engineered for strength, durability, and everyday reliability. This listing includes two size variants, allowing you to select the correct lock for your specific gate application.
Designed for residential, commercial, and light industrial use, Ultralock locks feature a robust weld-on design that delivers superior resistance against forced entry while remaining easy to install during gate manufacturing or upgrades.
Available Variants
1. Ultralock Mk2 Ultra-Small Lock
Ideal for single swinging gates and compact installations. Features a strong 12mm solid steel pin, intentional emergency locking push pin, and a quick release fastening mechanism. Manufactured from 2.5mm thick mild steel with yellow zinc electroplated inner parts.
Size: 12 × 8.5 × 2.8 cm (excluding lip)
2. Ultralock Multi-Purpose Lock (Large)
Designed for sliding, double, and single security gates. The lock pin secures through a reinforced lock lug, providing increased resistance against crowbar wedging and making it suitable for both swinging and sliding gates. Manufactured from 3mm thick mild steel with yellow zinc electroplated inner parts.
Size: 12 × 12 × 2.8 cm (excluding lip)
How to Choose Your Size
Choose the Mk2 Ultra-Small Lock if you are securing a single swinging gate, have limited space, or need a compact yet reliable lock for residential or light commercial use.
Choose the Multi-Purpose (Large) Lock if you are securing a sliding gate, double gate, or require extra resistance against forced entry. This option offers greater versatility and added strength for heavier-duty applications.
Keyed alike sets are available across both variants for added convenience.
Trusted across South Africa, Ultralock delivers proven security, durable engineering, and true peace of mind where it matters most.
What's in the box
1 x Ultralock Weldable Security Gate Lock
