Best 6K (AB) Grade 2 Single Cylinder Knob Lock - Secure Office & Entry Doors - Ideal for Commercial Buildings, Schools, and Home Security

BEST 6K GRADE 2 CYLINDRICAL NON-KEYED KNOB LOCK

Reliable knob sets for standard traffic applications.

Our 6K series offers the quality and performance you expect from BEST for standard traffic applications. BEST 6K knob sets exceed ANSI Grade 2 standards and are built with design features that make the 6K a durable and secure choice for long-term reliability.

FEATURES

• Quick rekeying by BEST interchangeable core.
• Snap-on inside rose (no exposed mounting screws).
• Threaded outside rose adjustable for door thickness.
• Keyed knob is removable only after removal of core.
• Internal steel mechanisms are corrosion treated for normal atmospheric conditions.
• Lockset reversible for either hand of door without removing keyed knob.
• Underwriters Laboratories®: 6K series – Listed by Underwriters Laboratories for use on 3 Hr, A label for single (4' x 8') doors.
• Builders Hardware Manufacturers Association: 6K series – Listed by BHMA for A156.2, Series 4000, Grade 2.

STANDARD SPECIFICATIONS

Backset: 2 3/8" for 62K Series; 2 3/4" for 63K Series; 3 3/4" for 64K Series; 5" for 65K Series.

Case: 2 1/16" Dia. cylindrical, for 2 1/8" hole.

Finish: Standard finishes are 605, 606, 611, 612, 613, 625, 626.

Latch: 1/2” throw deadlocking latch (for models with latch options).

Front: 2 1/4" x 1" x 5/32" Standard for 62K. (Optional for 63K), 2 1/4" x 1 1/8" x 5/32" Standard for 63K (Optional for 62K).

Lock and latchsets: Sets consist of latch complete with trim. Type and operation according to set number. Set also includes interchangeable core and two nickel silver keys, keyed to your system.

Material: Component parts include brass or bronze. Internal parts are brass or zinc dichromate steel.

Mounting: 2 1/8" Dia. bore for lock housing, 1" Dia. or 7/8" Dia. for latch tube.

Options: KNL– Knurl keyed knob, L8– drive in-latch.

Roses: C– 2 9/16" Dia. D– 3 3/8" Dia. Mounting screws concealed.

Strike: STK (standard)– 2 3/4" x 1 1/8" with curved lip & box (ANSI A115.2 for 1 3/8" doors). S3– 4 7/8" x 1 1/4" with curved lip and box (ANSI A115.2 for 1 3/4" doors) (for models with strike options).

Thickness of doors: 1 3/8" to 1 7/8" Standard. If thickness is greater, use our heavy duty locksets for specified door thickness

Finishes

605: Bright Brass
606: Satin Brass
630: Satin Stainless Steel

Knobs: 2" or 2 1/8" Dia. brass or bronze in round or tulip style.

Latch: 1/2” throw deadlocking latch. Front: 2 1/4" x 1" x 5/32" Standard for 62K. (Optional for 63K), 2 1/4" x 1 1/8" x 5/32" Standard for 63K (Optional for 62K).

Lock and latchsets: Sets consist of latch complete with trim. Type and operation according to set number. Set also includes interchangeable core and two nickel silver keys, keyed to your system.

Material: Component parts include brass or bronze. Internal parts are brass or zinc dichromate steel. Mounting: 2 1/8" Dia. bore for lock housing, 1" Dia. or 7/8" Dia. for latch tube.

Options: KNL– Knurl keyed knob, L8– drive in-latch. Roses: C– 2 9/16" Dia. D– 3 3/8" Dia. Mounting screws concealed.

Strike: STK (standard)– 2 3/4" x 1 1/8" with curved lip & box (ANSI A115.2 for 1 3/8" doors). S3– 4 7/8" x 1 1/4" with curved lip and box (ANSI A115.2 for 1 3/4" doors).

Thickness of doors: 1 3/8" to 1 7/8" Standard. If thickness is greater, use our heavy duty locksets for specified door thickness

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