OBI K3 Mortise Bathroom Lock DIN 18251 Teflon Latch Right 78/55/20 Stainless Steel

Product Overview

The Zamek wpuszczany OBI K3 is a mortise bathroom lock intended for interior doors in residential and light commercial settings, particularly where quiet operation is a requirement. The lock is compliant with DIN 18251, ensuring compatibility with standardized European door hardware and supporting straightforward specification for project procurement.

What sets this lock apart is its use of Teflon elements on the latch, which specifically target and reduce operational noise during door closing. This feature minimizes acoustical disturbances in spaces where privacy and quiet are important, reducing the need for retrofitted noise-dampening accessories. It is highly suitable for bulk procurement by contractors outfitting hotels, apartment developments, or office restroom facilities.

Key Features

• DIN 18251 compliance ? compatible with standardized European door hardware requirements


• Teflon-coated latch components ? significantly reduces noise when closing doors


• WC spindle 8x8 mm ? suitable for modern bathroom locksets with standard size spindles


• Intended for bathroom doors ? ideal for privacy function and light commercial applications


• Right-hand version ? follows conventional door handing standards


• Stainless steel finish ? durable, corrosion-resistant surface for high-usage environments

Technical Specifications

• Lock Type: Mortise


• Function: Bathroom (WC)


• Backset: 55 mm


• Spacing: 78 mm


• Forend Width: 20 mm


• Spindle Size: 8x8 mm


• Material: Stainless steel (brushed)


• Handing: Right (PRAWY)


• Certification: DIN 18251

Applications

Designed for use in bathroom doors within residential buildings, hotels, offices, and other light commercial facilities. The lock's acoustic dampening makes it suitable for areas requiring reduced door noise, especially multi-unit buildings and hospitality projects. Compatible with standardized European door cut-outs and hardware, facilitating OEM and multi-unit installations.

Packaging & Shipping

Standard export packaging. Each unit includes the mortise lock body and installation hardware. Strike plate is not included.