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Polished brass ball knob lockset with keyed entry cylinder

Master Lock

Master Lock BAC0603 Ball Knob Lockset

SKU CH-GAY2-PBHFM

A light-duty residential entrance lockset with a polished brass ball knob, KW1 keyway and ANSI Grade 3 security

  • Product typeDoor Hardware & Components
  • Design styleBAC Ball
  • Ball-style knob suits light-duty residential doors
  • ANSI Grade 3 certification confirms baseline security
  • Adjustable backset fits 2-3/8 and 2-3/4 inch doors
  • KW1 keyway works with two supplied keys
  • Polished brass finish on steel construction

Residential ball knob lockset

This Master Lock BAC0603 set fits standard interior and exterior doors requiring a keyed entrance function. It suits homeowners and landlords who need a basic Grade 3 lock for light-duty residential use.

Polished brass steel construction

The lock body and ball-style knob are made from steel with a polished brass finish. The adjustable latch accommodates both 2-3/8 in. and 2-3/4 in. backsets and installs in a standard 2-1/8 in. crossbore for doors 1-3/8 in. to 1-3/4 in. thick.

KW1 keyway with two keys

The cylinder uses the common KW1 keyway and ships with two cut keys, allowing immediate keyed-alike convenience or easy rekeying by a locksmith. The included 1-3/4 in. x 2-1/4 in. strike plate completes the installation without extra hardware.

How it compares

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

Price $36.99
Cheaper than about 58% of the 2,145 comparable items (median $55.99).

Specifications

Product
Brand nameMASTER LOCK
Product typeDoor Hardware & Components
Design styleBAC Ball

Questions about this item

What ANSI grade does this lockset meet and what does that mean for residential use?

This lockset meets ANSI Grade 3, the standard for light-duty residential entrance doors.

What door thicknesses and backsets does the BAC0603 fit?

It fits doors 1-3/8 to 1-3/4 inches thick with adjustable 2-3/8 and 2-3/4 inch backsets.

How is the latch installed and what alignment step is often missed?

Insert the latch into the 2-1/8 inch crossbore, secure the faceplate screws, then align both knob halves through the latch before tightening.

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