Grade 2 Heavy Duty Cylindrical Locks

GP Series

Grade 1 Strength at a Grade 2 Price

PDQ’s GP Series Grade 2 cylindrical lock is the toughest Grade 2 lock on the block! It’s abusive lever torque tested to over 3X the ANSI/BHMA standards.

What’s more, the GP Series is complementary to Grade 1 products. With the same levers and rose as PDQ’s Grade 1 cylindrical locks, you can put them in low abuse applications such as interior doors, apply them to medium abuse perimeter doors and for extra high abuse applications, pair them with the Grade 1 XGT and GT locks. The architect will appreciate the uniform appearance throughout the project.

  • Abusive Lever Torque tested – Over 3X BHMA standard.
  • Versatile – Trim matches XGT and GT Grade 1 locks,.
  • 8-year warranty.

Typical Applications
Assisted Living, Federal, State & Local Governments, Hospitality, Healthcare, Multi-Family, Office, Retail, Church and Education

Click here for our request form and ask us to contact you about pricing an upcoming job with a mix of GP and XGT/GT products.


Proudly made in Lancaster, Pennsylvania, USA



For Doors:
  • 1-3/8” to 1-3/4” thick. Factory preset for 1-3/4”.
Door Prep:
  • Fits standard 161 door prep. Through-door thru-bolting.
  • 2-3/4” standard. 2-3/8” and 5” available.
  • Heavy duty zinc diecast, investment cast, and stainless steel mechanism.
  • Stainless steel or wrought brass. 2-1/4” x 1-1/8”.
  • Beveled 1/8” on 2”.
  • 4-7/8” x 1-1/4” (ASA) standard. “T” or “FL” Strike optional.
  • Stainless steel or wrought brass.
  • 3-3/8” diameter.
Torque resistance:
  • 1/2” throw. Adjustable front for flat or beveled doors.
  • Non-handed.
  • PHL, BSN or MIA levers are solid zinc diecast. 65˚ lever rotation. Wrought brass roses. Concealed screws. Levers are also available for Large Format IC Core. Contact Customer service for more information.
  • Two (2) change keys per lock.
  • SCC standard (Schlage C compatible).
  • Available in keyways of most major manufacturers.
Interchangeable Core:
  • Available for all keyed functions. 6 or 7 pin.
  • Compatible with BEST, Falcon and Arrow
  • Brass 6-pin cylinder keyed to 5 pins.
  • Can be MK, CMK, GMK. Available Zero Bitted (K0), Keyed Different (KD), Keyed Alike (KA).
  • Can be keyed into existing masterkey systems of other manufacturers.
  • 605 (US3) Bright Brass, 606 (US4) Satin Brass, 612 (US10) Satin Bronze, 613 (US10B) Oil Rubbed Bronze, 622 (US19) Flat Black, 625 (US26) Bright Chrome, 626 (US26D) Satin Chrome.
Certifications, Listings Compliances:
  • BHMA Certified Product
    ANSI/BHMA A156.2-2011, Series 4000, Grade 2.
    Windstorm Resistant Product Listed - ANSI A250.13-2003,
    ASTM E1886-02, ASTM E330-02, Outswing: 350 ft-lbs.,
    Inswing: N/R, Design Load Rating: 685 lbf.
  • Complies with ADA (Americans with Disabilities Act) and ICC/ANSI 117.1 for Accessible and Useable Buildings .
  • U.L./U.L.C. Listed for “A” label (3 hour) single swing doors (4’0” x 8’0”).
  • U.L. 10C/UBC 7-2 (1997) Positive Pressure Rated.
  • U.L. 10B Neutral Pressure Rated.
  • Exceeds 1600 in. lbs. of torque resistance.
  • Eight-year limited warranty.
Country of Origin:
  • Assembled in the U.S.A. with U.S. and foreign material. Meets the requirements of the Buy American Act.


Architectural Finishes

  • 605 (US3) - Bright Brass, Clear Coated

  • 606 (US4) - Satin Brass, Clear Coated

  • 612 (US10) - Satin Bronze, Clear Coated

  • 613 (US10B) - Oil Rubbed Bronze, Oxidized Satin Bronze, Oil Rubbed, No Coating

  • 625 (US26) - Bright Chromium Plated, No Coating

  • 626 (US26D) - Satin Chrome Plated, No Coating

  • 622 (US19) - Flat Black

Cross Reference



How to Order