Arrow BM-LB Lock Body...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$435.44
$343.77
Arrow BM17-LB Lock Body, BM17, 32, 37

Arrow BM-LB Lock Body

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Model: BM20-LB

In Stock (leaves warehouse same day if ordered before 3pm ET)

$435.44
$343.77
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Arrow BM17-LB Lock Body, BM17, 32, 37

BM Series Mortise Locks

The BM Series are engineered for strength and performance, and precisely manufactured to exact standards.

Arrow BM Series Lever Mortise Locks are intended for heavy duty use in schools, hospitals and commercial buildings where security, durability and low maintenance are required.

  • Handing: Handed; field reversible. The lockset can be re-handed without disassembling the lock case.
  • Door Thickness: 1-3/4" (4mm) standard. Optional door thickness available; consult factory.
  • Backset: 2-3/4" (70mm).
  • Lockcase: Heavy gauge steel, with zinc dichromate finish for corrosion resistance. 5-7/8" (149mm) x 4" (102mm) x 15/16" (24mm).
  • Armored Front: Heavy gauge steel, 8" (203 mm) x 1-1/4" (32mm) x 3/32" (2mm). Accommodates flat doors and doors beveled 1/8" (3mm) in 2" (51mm).
  • Faceplate: Wrought brass or bronze, attached by machine screws to lockcase front.
  • Latchbolt: Stainless steel, 2 piece mechanical with anti-friction insert. 5/8" (16mm) x 1" (25mm) x 3/4" (19mm) throw.
  • Auxiliary Latchbolt: 9/16" (14mm) effective throw and 3/8" (10mm) effective auxiliary latch deadlocking.
  • Deadbolt: One-piece stainless steel, 19/32" (15mm) x 1 1/4" (32mm) x 1" (25mm) throw.
  • Hub: Lever: nickel steel, 5/16" (8mm).
  • Spacing: Center to center, hub to cylinder: 3-5/8" (92mm).
  • Center to center, hub to turnpiece: 2-7/16" (62 mm).
  • Strike: Wrought brass or bronze, ANSI straight lip standard, 4-7/8" (124mm) x 1-1/4" (32mm) 1-1/8" (29mm) lip to center. Optional strikes, lip lengths and ANSI wrought strike box available.
  • Keys: Two nickel silver standard.

Keying Features Available:

    • Master keying
    • Construction master keying
    • Visual key control
    • Concealed key control
    • High security cylinder
    • Interchangeable core (IC) - Pointe, Pointe Flex
  • Warranty: Five-year Limited

Manufacturer Resources

Product Specs

Catergory:
Mechanical Locks
Product Group:
Security Locks
Product Subgroup:
Parts and Accessories
Series:
6730
Subcategory:
Safe Lock
Product Type:
Mechanical Safe Locks
Department:
Safety

Arrow BM20-LB – Frequently Asked Questions

How fast can I get the Arrow BM20-LB delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Arrow BM20-LB come with a warranty?
Absolutely. The Arrow BM20-LB is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Arrow BM20-LB?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Arrow BM20-LB from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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