Klacci LH Series Cylindrical Knob Lock commercial building

LH Series Cylindrical Lock

ANSI Grade 1 Extra Heavy Duty

  • Extra Heavy duty, commercial grade cylindrical lockset, designed for maximum security, heavy traffic usage and fast, easy installation.
  • Knobs include steel reinforcement.
  • Internal steel mechanisms are corrosion treated for normal atmospheric conditions.
  • Heat treated heavy gauge cold rolled steel spindles add greater strength and security.
  • Threaded roses both sides hold lock firmly in place.

Heavy duty commercial, institutional, governmental and industrial buildings where high quality mechanism is required.

Certification / Compliance
  • UL listed for “A” label (3-hour) single swinging door (4′ x 8′).

  • ANSI/BHMA A156.2, Series 4000 Grade 1.
Doors & Preparations
  • 2-1/8″ cross bore, 1″ edge bore.
  • 2-3/4″ (70mm) standard, 2-3/8″ (60mm), 3-3/4″ (95mm) and 5″ (127mm) optional.
Door Thickness
  • 1-3/8″ (35mm) ~ 2″ (51mm) wood or metal door.
  • 1/2″ (12.5mm) throw, UL listed, faceplate self-adjusted, 3/4″ (19mm) throw fire door deadlatch available.
  • Non-handed.
  • ANSI strike standard, T-strike or Full lip strike optional.
I/C Core
  • 6 or 7-pin, compatible with Best® and Falcon® original cylinder.
  • Roses are heavy wrought brass, bronze or stainless steel, installed over wrought steel reinforcing plates.

  • Knobs are brass, bronze or stainless steel, secured by steel knob retainer which cannot be depressed when lock has been locked.
Master Keying
  • Can be masterkeyed or grand masterkeyed.

A wide selection of finishes are available to match with your door and other hardware.

Klacci finishes 605 Polished BrassPolished Brass6053
Klacci finishes 606 Satin BrassSatin Brass6063
Klacci finishes 611 Polished BronzePolished Bronze6119
Klacci finishes 612 Satin BronzeSatin Bronze61210
Klacci finishes 613 Dark Oxidized Satin BronzeDark Oxidized Satin Bronze61310B
Klacci finishes 625 Polished ChromePolished Chrome62526
Klacci finishes 626 Satin ChromeSatin Chrome62626D
Klacci finishes 630 Satin Stainless SteelSatin Stainless Steel63032D


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