Mortise lock for bit key backset 40 / 50 mm distancing 60mm with horizontal through holes Brass | GSV-No. 4040

The mortise lock GSV-No. 4040 is a precision-engineered locking mechanism specifically designed for doors operated with a bit key. Manufactured entirely from high-quality brass, the lock provides excellent mechanical strength, corrosion resistance, and long-term durability, making it suitable for residential, commercial, and public applications where reliable and secure door closure is essential. Brass ensures smooth operation, minimal wear, and an aesthetically pleasing finish that integrates seamlessly with various door designs.

The lock is designed for a backset of 40 or 50 mm with a handle distancing of 60 mm, enabling precise installation in standard door constructions. One of the key design features of the GSV-No. 4040 is the horizontal arrangement of through holes for mounting. This configuration ensures a stable and secure installation within the door leaf, minimizing movement and providing smooth, rattle-free operation over time. The internal mechanism is engineered for consistent, reliable engagement, allowing the door to close securely while maintaining ease of use for occupants.

The GSV-No. 4040 is supplied without a strike plate, allowing flexibility in adapting to various door frames and custom installations. Two bit keys are included with the lock, enabling immediate and convenient operation.

Overall, the GSV-No. 4040 mortise lock combines high-quality brass construction, precise mechanical engineering, and practical horizontal mounting to deliver a technically advanced, durable, and reliable locking solution. It ensures secure closure, stable installation, and long-lasting performance, making it ideal for doors requiring bit key operation in both residential and commercial environments.