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Satin nickel tulip-style privacy door knob with matching rosette

Master Lock

Master Lock TUO0315/T6P Tulip Privacy Door Lock Satin Nickel Grade 3

SKU CH-ECZN-1ZV4Y

A satin-nickel tulip knob with privacy locking, Grade 3 steel construction and adjustable 2 3/8 to 2 3/4 in. backset for 1 3/8 to 1 3/4 in. doors

  • Product typeDoor Hardware & Components
  • Design styleTUO Tulip
  • Tulip styling adds classic appeal to any interior door
  • Privacy function locks securely from inside for bedrooms and bathrooms
  • Satin nickel finish resists tarnish and matches modern hardware
  • ANSI Grade 3 certification confirms residential security performance
  • Adjustable backset fits standard doors from 1 3/8 to 1 3/4 inch thickness

Tulip Privacy Lock

The Master Lock TUO0315/T6P is a satin-nickel knobset with a tulip lever style. It provides a privacy function for interior doors such as bedrooms and bathrooms. The lock meets ANSI Grade 3 standards for residential security. It is sold new and ready for installation.

Fits Standard Prep

The latch adjusts to a 2 3/8 to 2 3/4 inch backset and fits the common 2 1/8 inch crossbore. A 2 1/4 by 1 3/4 inch strike plate is included. The lock accommodates door thicknesses from 1 3/8 to 1 3/4 inches without extra parts. Steel construction handles daily use.

Privacy Function Limits

The privacy mechanism allows locking from inside and emergency release from outside. It is not a keyed entry lock and cannot secure exterior doors. Buyers needing keyed access or a higher security grade should choose different hardware. This set covers standard residential privacy needs.

How it compares

Measured against everything we stock in Door Lock Sets & Deadbolts, at today’s prices. Recalculated every night.

Price $15.99
Cheaper than about 77% of the 2,145 comparable items (median $55.99).

Specifications

Product
Brand nameMASTER LOCK
Product typeDoor Hardware & Components
Design styleTUO Tulip

Questions about this item

Will the latch bolt hold up on a door that gets opened dozens of times a day?

The lock meets ANSI Grade 3, which is the light-duty residential rating for interior doors.

Does the mechanism get stiff or noisy after months of daily use?

It is a standard mechanical privacy knobset with no electronic parts, so operation stays consistent as long as the latch is lubricated occasionally.

What door prep is needed before this Tulip privacy knob will fit?

A 2 1/8 in. crossbore, 2 3/8 to 2 3/4 in. adjustable backset, and a door thickness between 1 3/8 and 1 3/4 in. are required.

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