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300/59-ORB-KA

Cosmas 300 Series Oil Rubbed Bronze Handleset with 50 Series Interior

Ships: Next Business Day
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Traditional Handleset 50 Series Lever Single Cylinder Deadbolt Oil Rubbed Bronze Finish Kwikset KW1 Keyway

The Cosmas 300 Series Oil Rubbed Bronze Handleset with 50 Series Interior Lever combines a classic exterior handleset design with the ergonomic comfort of the Cosmas 50 Series interior lever and a matching single cylinder deadbolt. The 50 Series lever features a smooth ergonomic curve with a fuller, traditional profile, delivering both comfort and timeless appeal for your front entry.

The rich oil rubbed bronze finish showcases deep brown tones with subtle copper highlights, pairing beautifully with wood doors, rustic fixtures, and classic architectural styles.

The included single cylinder deadbolt uses a Kwikset KW1 5-pin keyway, locking from the exterior with a key and from the interior with a thumbturn—ideal for secure residential front and side doors.

Tip: Select Keyed Alike when ordering multiple locks so all keyed items use the same key.

Manufacturer Cosmas
Grade Grade 3 (Residential Use)
Finish Oil Rubbed Bronze
Handleset Style Cosmas 300 Series Traditional
Interior Lever Cosmas 50 Series Lever
Deadbolt Type Single Cylinder
Keyway Kwikset KW1 5-Pin (Deadbolt)
Latch / Backset (2) Adjustable 2-3/8" to 2-3/4" Backset Latches
Door Thickness 1-3/8" to 1-3/4"
Hardware Included (2) Strike Plates, (2) Latch Plates & Matching Screws
Product warranty coverage icon
  • Mechanical Warranty: 5 Years
  • Finish Warranty: 5 Years

Door Handing (Left / Right)

The Cosmas 300 Series handleset with 50 Series lever can be installed on both left-hand and right-hand doors.

Kwikset KW1 key

Keying Options

Choose your keying preference above.

  • Keyed Alike: Match this handleset to other keyed items in your order.
  • Keyed Differently: Ships with its own unique key.