Professional Keyed Mortise Cylinder for Deadlocks and Deadlatches

CY-21 5 Pin Security Mortise Cylinder with Solid Brass Construction and Multiple Keying Options

Keyed Mortise Cylinder - Keyed Mortise Cylinder
  • Keyed Mortise Cylinder - Keyed Mortise Cylinder
  • Zinc alloy mortise cylinder

Keyed Mortise Cylinder

CY-21

Keyed Mortise Cylinder

D&D mortise cylinders are machined from solid bar brass. If you have cost concerned, material in zinc alloy is available as well.

The CY-21 mortise cylinder offers 5 pin security to work with most of our deadlocks or deadlatches.

Features
  • With 5 pin security
  • Designed to operate any D&D deadlock and deadlatch requiring a mortise cylinder
  • Aluminum shell with 628 clear anodized, 313 dark bronze anodized or 335 black anodized finish
  • Solid brass Plug with bright chrome finish
Specification
  • Length: 1" (25.4 mm)
  • Diameter: 1-5/32" (29.4 mm)
  • Threadsize: 1.150" x 32 UNS
  • Keying: Available in keyed different (KD), all keyed alike (KA), master keyed (MK), grand master keyed (GMK)
  • Keyway: normally in Schlage, others could be specified
Packing details
  • Individually packed with trim ring and two keys
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Need Reliable Mortise Cylinders That Match Your Lock Quality Standards?

Our CY-21 mortise cylinders are precision-machined from solid bar brass with 5 pin security, designed specifically to integrate with deadlocks and deadlatches. With flexible keying options (KD/KA/MK/GMK) and Schlage keyway compatibility, we provide OEM solutions that enhance your product line's reliability. Contact us to discuss custom specifications and volume pricing for your manufacturing needs.

Our CY-21 mortise cylinder offers comprehensive keying flexibility to meet diverse security requirements, including keyed different (KD), all keyed alike (KA), master keyed (MK), and grand master keyed (GMK) configurations. With standard Schlage keyway compatibility and the ability to specify alternative keyways, this 1-inch length cylinder (1-5/32" diameter, 1.150" x 32 UNS thread size) integrates effortlessly into existing hardware systems. Each cylinder is individually packed with a trim ring and two keys, ensuring complete installation readiness. As a Taiwan-based professional manufacturer with extensive metal processing expertise, D&D delivers precision-engineered mortise cylinders that help building hardware distributors, door manufacturers, and construction companies build lasting brand value through consistent quality and responsive global service.