D&D BUILDERS HARDWARE CO. - D&D Builders Hardware Co. is a door closer and hardware manufacturer in Taiwan, produces hardware for doors and windows.

Sliding Window Sash Lock SL-21 | Zinc Die Casting Lock - D&D

Taiwan-made zinc die cast sliding window sash lock with painted finish. Universal design for single and double hung aluminum windows. Stable quality.

Professional Sliding Window Sash Lock for Aluminum Windows

Taiwan-manufactured zinc die casting window lock with universal design for reliable window security

Sliding Window Sash Lock - Sliding Windows Sash Locks
  • Sliding Window Sash Lock - Sliding Windows Sash Locks

Sliding Window Sash Lock

SL-21

Sash Lock

It is Zinc Die Casting Sliding Window Sash Lock, with a painted finish.

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Features
  • 100% made in Taiwan.
  • Stable and reliable quality.
  • Suitable for single and double hung aluminum sliding windows.
  • Universal design.
Specification
  • Material: Zamac
  • Finish: Painted
  • Other material, finish or size, please contact us directly.
E-catalogue Download
Door & Window Handle
Door & Window Handle

A window handle is used to manually open or close a door. There are various handles for windows for selection.

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Need a Reliable Sash Lock That Fits Multiple Window Configurations?

Our SL-21 features universal design compatibility for both single and double hung aluminum sliding windows, eliminating inventory complexity. With 100% Taiwan manufacturing and stable quality from zinc die casting, you get consistent performance across your entire product line. Contact us to discuss material and finish customization options that match your brand specifications.

D&D Builders Hardware Co. leverages extensive expertise in metal processing and die casting to produce this window lock with consistent quality standards. Our comprehensive manufacturing capabilities enable us to offer customization options including alternative materials, finishes, and sizes to meet specific project requirements. Whether you're a window manufacturer seeking reliable OEM components or a distributor requiring dependable security hardware, our SL-21 sash lock provides the perfect combination of functionality, durability, and universal compatibility backed by Taiwan's reputation for precision manufacturing excellence.