Silca 5AT1 Double-Bitted Key Cross-Brand Compatible 92.3mm Blade by Atra

Product Overview

The Silca 5AT1 double-bitted key is used for mechanical locking systems, predominantly in residential and commercial environments requiring cylinder or lever locks. Manufactured by Atra, it is compatible with several key codes issued by other major brands, making it suitable for locksmiths, hardware stores, and OEM procurement. Dimensions are specified for length and blade width, facilitating matching with existing lock hardware.

Its primary differentiator is cross-brand compatibility, as it corresponds to several part numbers from Lotus, Key Line, Orion, Errebi, and others. This feature helps reduce procurement risk by ensuring replacement keys are available even if original components come from multiple suppliers. It is particularly suited for bulk purchasing and stock maintenance by professional locksmiths and distributors serving diverse hardware requirements.

Key Features

• Double-bitted design ? for use in lever and cylinder lock mechanisms


• Cross-brand equivalents ? compatible with LOTUS 4ARA1, KEY LINE 1AT, ORION 1ATR, and more


• Length 92.3 mm ? suitable for standardized lock recesses


• Blade width 24.3 mm ? fits a range of lock systems requiring consistent blade sizing


• Original Atra manufacturing ? ensures OEM conformity and consistent quality


• Suitable for professional rekeying ? addresses the needs of locksmiths and hardware retailers

Technical Specifications

• Blade Width (A): 24.3 mm


• Total Length (D): 92.3 mm


• Brand: Silca


• Original Manufacturer: Atra


• Equivalent Codes: LOTUS 4ARA1, KEY LINE 1AT, ORION 1ATR, ERREBI 2AT1, JMA ATR-2G SATR1, CEA AT1M

Applications

Used for mechanical locks in residential and commercial buildings, especially in cylinder and lever lock systems. Compatible with maintenance, replacement, and OEM supply operations for locksmiths, hardware retailers, and bulk procurement for new construction or refurbishment projects.

Packaging & Shipping

Standard export packaging. Each unit includes the key blank; bulk packs available for distributor orders.