Premium Performance, Superior Security.

BEST's 40H series mortise locks and deadbolts deliver exceptional strength, security, and durability. Our robust design features and precision-engineered components make the 40H mortise lock series ideal for high traffic applications. Backed by an industry-leading limited lifetime mechanical warranty, the 40H series delivers security you can depend on.

Security Meets Simplicity.

In addition to delivering superior security, the BEST 40H lock series makes installation, maintenance, and daily use simple. With a multi-function case and field configurable options, the 40H series is stock friendly. And installation is quicker and easier thanks to carefully designed features that simplify handing changes, alignment, and assembly.

40H Series Mortise Lock Specifications
Certifications	ANSI/BHMA A156.13 Series1000—Grade 1 ANSI A117.1 section 404.2.6 Accessibility Code (ADA compliant) UL listed for three hours on A label doors Florida Building Code (FBC) listed Miami-Dade County Code compliant for WS option
Product Specifications	Auxiliary bolt: Stainless steel; non-handed Latch: Solid stainless steel 3/4" throw; oil-impregnated for anti-friction; reversible without opening case Strike: S1 Standard: 4 7/8" x 1 1/4" x 3/32" non-handed, curved lip; S5 Latchbolt-only: 4 7/8" x 1 1/4" x 3/32" handed, curved lip; S6 Latchbolt/Deadbolt: 4 7/8" x 1 1/4" x 3/32" handed, curved lip Case: 0.095" cold rolled steel, zinc dichromate plated for corrosion protection; 5 7/8" x 7/8" x 4 1/16" Door thickness: 1 3/4" standard; up to 5" available Faceplate: Stainless steel, brass, or bronze; 8" x 1 1/4" x 1/16"; automatically adjusts to proper bevel during installation Door prep: ANSI Type 86 cutout Backset: 2 3/4" standard
Keying	7-pin SFIC
Lock Functions	Single Keyed: Latch – A, AT, D, R Deadbolt – AB, B, BA, BW, T, TA, TD Holdback – RHB Hotel – H, HJ Deadlock – AD, YD Deadlock-Classroom - RD Double Keyed: Latch – C, INL, W Deadbolt – G, IND, S, INA Holdback – CHB Deadlock - WD	Keyless: Passage – N Privacy (Latch) – LT Privacy (Deadbolt) – L Exit – NX Single Dummy – 1DT Double Dummy – 2DT Universal Functions: Latch – UNR (A, AT, D, N, NX, R) Deadbolt – UNT (L, T) Deadbolt – UNAB (AB, TA, TD)
All Finishes	605: Bright Brass 606: Satin Brass 611: Bright Bronze 612: Satin Bronze 613: Oil-rubbed Bronze 618: Bright Nickel 619: Satin Nickel	622: Flat Black 625: Bright Chrome 626: Satin Chrome 629: Bright Stainless Steel 630: Satin Stainless Steel 690: Dark Bronze Coated UltraShield™ antimicrobial coating available
Warranties	Limited lifetime mechanical Three-year finish (613 carries no finish warranty)

Featured Finishes

Bronze

Coated

690: Dark Bronze

Features

BEST 40H

• • Superior strength and security. We designed the 40H series with a solid, one-piece stainless steel latch, providing 50% more surface contact with the strike to make the lock stronger and more secure.
• • Enhanced durability. The precision-engineered curve on the latch enhances cycle life while reducing wear to the strike.
• • Easy to install. The reversible latch rotates 180 degrees, making it easy to change handing without opening the 40H series case, and self-aligning trim makes installation fast, easy, and accurate.
• • Reliable performance. With a roller bearing hub mechanism, 40H series locks deliver smooth, wear resistant operation. We're so confident in our 40H lock series that we provide a limited lifetime warranty. BEST 40H series locks are designed and manufactured to last.
• • Premium materials. The 40H series case, cover, and armored front are manufactured from 0.095" cold rolled steel with a corrosion-resistant coating, providing long-lasting strength.
• • Varied aesthetics. A wide variety of trims and lever styles make the 40H series visually compatible with different architectural styles and aesthetics.
• • Simple to use. With features including a bi-directional lever for ADA-friendly operation, 40H locks are easy to use.
• • Greater flexibility. The 40H series is flexible and stock friendly, designed for simple field conversion and handing changes, and featuring a universal, multi-function lock case.

For premium strength, security, and performance, BEST 40H series locks deliver unparalleled quality and reliability.