Biscuit Knob by Master Lock
The Master Lock Biscuit Knob features a biscuit style knob with six-way adjustable latch to fit all doors with 2-3/8" or 2-3/4" backset, square, rounded corners, or drive-in. This knob offers ANSI Grade 3 performance for interior non-locking applications.
Function: The Master Lock Biscuit Knob is available in Passage (BC04), Privacy (BC03), Keyed Entry (BC01), and Single Dummy (BC05) function.
Finish: The Master Lock Biscuit Knob comes in Brass (03) and Satin Nickel (15) finish.
Door Range: 1-3/8" - 2".
Backset: Dual Backset Latch; adjustable for 2-3/8" or 2-3/4" backset.
Door Range: 1-3/8" - 2".
Backset: Dual Backset Latch; adjustable for 2-3/8" or 2-3/4" backset.
Door Prep: Cross Bore 2-1/8"; Edge Bore 1".
Functions:
- Passage (Hall & Closet): Both knobs always unlocked.
- Privacy (Bedroom & Bathroom): Turn-button Locking. Can be opened from outside with small circular tool. Turning inside knob releases button.
- Keyed Entry (Entrance): Unlocked by key from outside when outer knob is locked by turn-button in inside knob.
- Half Dummy (Dummy Trim): Single-sided surface-mounted Dummy Trim for one side of door. Used for door pull or as matching inactive trim.
* For BC0103KA4S Entry Locks Only:
Cylinder: 5-Pin, Schlage "SC1" Keyway, Keyed Different (KD).
- Pin & Tumbler (Standard)
Keying Options: See "Keying" for the following keying options on the BC0103KA4S Entry Knob:
- Keyed Alike: 1 key works all locks.
- Master Keyed: Locks are Keyed Different (KD) with 2 keys per lock, 1 Master Key opens all locks.
- Construction Key: PK.