Milan Single Cylinder Deadbolt - 158 RDT Series with Smartkey

Step up to designer styles and superior security with Kwikset Signature Series products. The 980 Deadbolt series is both tough and attractive. This single-cylinder deadbolt is operated by a key on the outside or a thumb turn on the inside.

Works great!. Raeshell. La Grange, KY. Wed May 27 2026

Step up to designer styles and superior security with Kwikset Signature Series products. The 980 deadbolt series is both tough and attractive. This double-cylinder deadbolt is operated by a key on both sides.

Using the SmartKey function allows all of deadbolt’s and keyed knobs to be keyed to the same key.. Ken K. Garland, TX. Sun Apr 30 2023

As the industry leader, Kwikset has provided trusted security for over 70 years and has become synonymous with security, peace of mind, style and innovation. The largest-selling deadbolt in America, the 600 series provides tough, effective protection at an affordable price. This single cylinder deadbolt is operated by a key on the outside or a thumb turn on the inside.

Perfect deadbolt. Easy to install.. Yasmine. Brooklyn, NY. Sun Jul 12 2020

The Schlage Single Cylinder Deadbolt with Collins trim is perfect for use on exterior doors and adds an extra layer of security to your exterior handle set or knob/lever. The Collins trim’s strong lines and square shape embody refined elegance. Plus, it’s been designed and tested with strength and durability in mind.

I initially thought the lock was overpriced, but the quality is great! I think it’s a fair priced product for what you get. Also it was easy to install. True to the color. Happy with the purchase!. Darcy. Nashville, TN. Wed Jan 14 2026

The Schlage Single Cylinder Deadbolt is perfect for use on exterior doors and adds an extra layer of security to your handleset or knob/lever. Plus, it’s been designed and tested with strength and durability in mind.