Arrow N43 Mortise Deadbolt, Si...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$287.36
$210.53
Arrow Arrow N43 Mortise Deadbolt, Single Cylinder AR-N43

Arrow N43 Mortise Deadbolt, Single Cylinder

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Model: N43 26D
$287.36
$210.53
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$287.36
$210.53
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ARROW N Series Deadbolt Locks

Arrow N Series Mortise deadlock security and mortise cylinder convenience with interchangeable core compatibility.

 

General Specifications:

  • Housing – Heavy wrought steel with zinc dichromate finish.
  • Deadbolt – 1" (25.40mm), throw solid brass deadbolt with hardened steel pin.
  • Backset – 2-3/4" (69.85mm)
  • Doors – 1-3/8" (34.92mm) to 1-3/4" (44.45mm)
    thick standard.
  • Strikes – Supplied standard with #380 security strike for steel frame and #356 security strike for wood frame.
  • Handing – All functions are reversible
  • Cylinder, Standard accepts standard 1-1/8" mortise cylinder – Solid brass, Arrow “A” keyway, drilled for 6 pins, pinned to 5. Supplied with two brass keys.
  • Cylinder Option – Accepts 6 or 7 pin, small format, interchangeable cores. Supplied less cores. Will accept Best or Falcon type cores. ASSA high security cylinders are available.

 

Certification & Compliance:

  • Underwriters Laboratories (UL and CUL) listed for use on A label or lesser doors when used in conjunction with a rated primary latching device.

 

DOWNLOADS & RESOURCES

N Series Cut Sheet

Manufacturer Resources

Product Specs

Series:
N Series
Warranty:
1 Year
Keyed:
Yes
Product Group:
Mechanical Locks
Product Subgroup:
Mortise Locks and Trim
Product Type:
Deadbolts
Subcategory:
Deadbolts
Keyed Function:
Single Cylinder
Commercial/Residential:
Commercial
Latch Faceplate:
1" x 2-1/4"
Lock Type:
Mortise
Lock Function:
Deadbolt
Product Attribute:
Deadbolts
Standard Strike:
Supplied standard with #380 security Strike for steel frame and #356 security Strike for wood frame.
Product Model:
N43
Product Function:
Cylinder x Thumbturn
Door Hand Direction:
Reversible
Door Thickness Range:
1-3/8" to 1-3/4"
Product Category:
Mechanical Locks
Backset (Distance):
2-3/4"
Department:
Door Hardware

Arrow N43 26D – Frequently Asked Questions

1) Will the Arrow N43 mortise deadbolt fit a 1-3/8 inch door, or is it 1-3/4 only?
Both. The N43 mortise deadbolt is built for doors 1-3/8 to 1-3/4 inches thick, which covers the standard commercial 1-3/4 inch leaf and the lighter 1-3/8 inch doors still common on older interior openings. Backset is 2-3/4 inches, so the pocket has to be prepped at that dimension.
2) Do I have to specify handing when I order an Arrow N43 deadbolt?
No handing to call out. All N Series deadbolt functions are reversible, so one lock covers left or right hand, inswing or outswing. That is why property managers can stock a single part number across a building instead of splitting inventory by hand.
3) Does the Arrow N43 take a small format interchangeable core?
Yes, as a cylinder option. Ordered standard, the N43 takes a 1-1/8 inch mortise cylinder in solid brass, Arrow A keyway, drilled for 6 pins and pinned to 5, with two brass keys. Ordered for interchangeable core, it accepts 6 or 7 pin small format cores and ships less cores, and it will take Best or Falcon type cores. ASSA high security cylinders are also available. On the order form, the Keying option has a None choice for the less cylinder route.
4) Will the Arrow N43 deadbolt work on a fire rated door?
It is UL and CUL listed for use on A label or lesser doors, but only when it is used together with a rated primary latching device. A deadbolt alone does not latch the opening, so on a labeled door it goes in as secondary security behind a rated lock or exit device, never on its own.
5) How deep does the Arrow N43 bolt throw, and will it hold in a steel frame?
One inch of throw, and the bolt is solid brass with a hardened steel pin through it to resist sawing. A full 1 inch projection reaches through the frame's strike box rather than just catching the face, which is what makes the difference on a spread-attack opening. The faceplate is 1 x 2-1/4 inches, so the edge mortise is a small pocket compared with a full mortise lock body.
6) Can I get a batch of Arrow N43 deadbolts keyed alike for one building?
Yes. Keying is a required selection: keyed different is the standard, keyed alike is there for running multiple locks on one key, and there is a None option when you are ordering less cylinder for your own cores. A key code field is available if you are matching an existing system. Standard cylinders come on the Arrow A keyway, drilled for 6 pins and pinned to 5.
7) My doors are prepped for a 2-3/8 inch backset deadbolt. Can I use the Arrow N43?
Not without re-prepping. The N43 is a fixed 2-3/4 inch backset, so a door bored or mortised at 2-3/8 will not line up. For a 2-3/8 inch opening, the Accentra D111 is a Grade 1 single cylinder deadbolt at that backset. If the openings in a building vary, an adjustable backset unit such as the Cal-Royal ED500 or the Brinks Raleigh Series with a 4 way adjustable backset avoids sorting doors by prep.
8) I already run Best cores across my facility. Will the Arrow N43 take them?
Yes, ordered in the interchangeable core configuration. That version accepts 6 or 7 pin small format cores and will take Best or Falcon type cores, and it ships less cores so you install your own. That is what lets an MRO or institutional buyer fold the deadbolts into an existing SFIC master system without rekeying anything.
9) I am standardizing deadbolts across a building on Schlage C keys - what compares to the Arrow N43?
The Arrow N43 ships standard with a solid brass mortise cylinder in the Arrow A keyway, drilled for 6 pins and pinned to 5, and can also be ordered less cylinder for small format cores. If your facility keys to Schlage C, the Hager 3115 is a Grade 2 cylinder x thumbturn deadbolt with a Schlage C keyway, the Hager 3215 is a single cylinder deadbolt with a 1 inch throw matching the N43 throw, and the Hager 3118 is a Grade 1 classroom deadbolt with a Schlage C keyway and a 6-pin cylinder. All three cover 1-3/8 to 1-3/4 inch doors, the same door range as the N43.
10) What is the closest equivalent to the Arrow N43 mortise deadbolt from another brand?
The Arrow N43 is a mortise deadbolt with a cylinder x thumbturn function, a 2-3/4 inch backset, and a 1-3/8 to 1-3/4 inch door thickness range. The nearest match in mortise form is the Dormakaba D900, a small case mortise deadbolt with a cylinder x thumbturn function, supplied keyed different with SC keyways. The Emtek 2050 and 2051 are also European mortise deadbolts with a cylinder x thumbturn function, but they carry an integrated roller latch, the 2050 in square trim and the 2051 in round. If you need the same function in a cylindrical body instead, the Deltana CL200LA is a single deadbolt with a 2-3/4 inch backset, matching the N43 backset exactly.
11) I need a deadbolt with an ANSI Grade 1 rating on the submittal - what takes the place of an Arrow N43?
The Arrow N43 is a mortise deadbolt with a 1 inch solid brass bolt throw and a 2-3/4 inch backset. For a stated Grade 1 rating, the Delaney LM Series single cylinder less core deadbolt is Grade 1 with a cylinder x thumbturn function, and the Deltana CL200LM is a Grade 1 single cylinder deadbolt with the same function. The Falcon D111 is a Grade 1 heavy duty deadbolt with a cylinder x thumbturn function in the D100 Series, and the Dexter DB1000-SCT is a Grade 1 single cylinder deadbolt covering 1-3/8 to 1-7/8 inch doors, a wider door range than the N43. All four are bored deadbolts rather than mortise, so the door prep differs from the N43.
12) The opening needs a key on both sides - what do I order instead of an Arrow N43?
The Arrow N43 is a single cylinder deadbolt, keyed on one side with a thumbturn on the other, so it will not key both faces. For double cylinder operation the Hager 3214 is a Grade 2 double cylinder deadbolt with a Schlage C keyway covering 1-3/8 to 1-3/4 inch doors, the same door range as the N43. The Design Hardware D1 Series is a Grade 1 extra heavy duty double cylinder deadbolt for 1-3/4 inch doors, and the Dexter DB2000-DCT is a Grade 2 double cylinder deadbolt over 1-3/8 to 1-3/4 inch doors. Confirm the local code allows a double cylinder on the opening before specifying one on an egress door.
13) The door is thicker than 1-3/4 inch - what deadbolt works where the Arrow N43 does not?
The Arrow N43 covers 1-3/8 to 1-3/4 inch doors as standard. For a thicker leaf, the Corbin Russwin DL3011 is a Grade 1 cylindrical deadlock covering 1-3/4 to 2-1/4 inch doors, and the Deltana 7312KA2 is a Grade 3 double cylinder deadbolt covering 1-3/8 to 2 inch doors. Both are cylindrical or bored bodies rather than mortise, so the door prep is a cross-bore rather than the N43 mortise pocket.
14) I want small format interchangeable core on a deadbolt but not a mortise prep - what else takes an SFIC?
The Arrow N43 can be ordered less cylinder to accept a 6 or 7 pin small format interchangeable core, including Best or Falcon type cores, in a mortise body. In a bored body, the Deltana CL200LAIC is a Grade 2 single deadbolt built for an interchangeable core, supplied non cylinder, with a 2-3/4 inch backset that matches the N43 backset. The Delaney LM Series is a Grade 1 single cylinder less core deadbolt with a cylinder x thumbturn function. Verify the core format and keyway with your keying schedule before ordering either.
15) The frame is aluminum storefront with a narrow stile - is the Arrow N43 the right deadbolt?
The Arrow N43 is a mortise deadbolt with a 2-3/4 inch backset and a 1 x 2-1/4 inch faceplate, dimensions suited to a standard door edge rather than a narrow stile. For storefront style openings, the International Door Closers DH-1821 is a hook bolt deadlock with a flat faceplate, the DT-1851 is a long throw deadlatch lock with a flat faceplate, and the DL-4511 is a deadlatch lock with a flat faceplate. A hook bolt or long throw is the usual answer where a swinging pair leaves no fixed strike jamb for the N43 bolt.
16) What deadbolt should I use if the backset in the existing door is 2-3/8 inch, not 2-3/4?
The Arrow N43 is built to a 2-3/4 inch backset. Where the prep is 2-3/8 inch, the Accentra D111 is a Grade 1 single cylinder deadbolt with a 2-3/8 inch backset, a cylinder x thumbturn function, and a 1-3/8 to 1-3/4 inch door thickness range matching the N43 door range. If you would rather keep one part number across mixed preps, the Brinks E2401 Raleigh and E2402 Mendocino single cylinder deadbolts both use a 4 way adjustable backset, and the Cal-Royal ED500 has an adjustable backset as well.
17) Which deadbolts are alternatives to the Arrow N43 on a fire rated opening?
The Arrow N43 is UL and CUL listed for use on A label or lesser doors when used together with a rated primary latching device. Comparable choices carrying a fire rating include the Hager 3115, 3118, 3214, and 3215, each listed with a fire rating and covering 1-3/8 to 1-3/4 inch doors. The Cal-Royal CRB800 is a heavy duty single cylinder deadbolt with a UL 3-hour fire rated latch and a cylinder x thumbturn function. On any fire door, match the listing to the door label and keep the primary latching device in the assembly.
18) Do I need to buy strikes separately for the Arrow N43 mortise deadbolt?
No. The N43 ships with both security strikes: the #380 for steel frames and the #356 for wood frames. Whichever frame is on the opening, the right strike is in the box, so a contractor is not chasing a second line item to finish the install.
19) Is the Arrow N43 a single cylinder deadbolt, and what is on the inside?
Key outside, thumbturn inside. The N43 is cylinder by thumbturn, so it releases from the inside without a key. If you need key operation on both faces for a glass-adjacent door, that is a double cylinder unit instead, such as the Design Hardware D1 Series Grade 1 double cylinder or the Callan Model 210S. Check your local egress code before putting a double cylinder on an exit door.
20) What is a simpler deadbolt than the Arrow N43 for a low traffic interior or storage door?
The Arrow N43 is a commercial mortise deadbolt with a 2-3/4 inch backset that requires a mortise pocket in the door edge. For lighter openings the Cal-Royal ED500 is a Grade 3 single cylinder deadbolt with an adjustable backset covering 1-3/8 to 1-3/4 inch doors, the same door thickness range as the N43, and the Cal-Royal LSD is a Grade 3 single cylinder deadbolt with an ADA ergonomic thumbturn over the same door range. The Callan 200S is a Grade 3 single cylinder square trim deadbolt with a cylinder x thumbturn function. Each of those is a bored deadbolt, so a standard cross-bore replaces the mortise prep.
21) Is the BEST 8T tubular deadbolt a substitute for the Arrow N43?
No. The BEST 8T is a T Series tubular deadbolt tube component, a bored-body part, while the Arrow N43 is a mortise deadbolt that seats in a pocket cut into the door edge with a 1 x 2-1/4 inch faceplate. The two use entirely different door preps, and one will not drop into the other's cutout. If the door already carries a mortise pocket, stay with the N43 or another mortise body such as the Dormakaba D900.
22) Can I use a Baldwin deadbolt spacer or a Codelocks CL200 in place of an Arrow N43?
Neither is a like for like replacement. The Baldwin Reserve 8BR0618001 is a deadbolt spacer, an accessory rather than a complete lock. The Codelocks CL200 is a surface deadbolt with key override rated light duty, mounted on the face of the door rather than into a mortise pocket, so it neither uses the N43 prep nor accepts the mortise cylinder the N43 takes. The Arrow N43 is a commercial mortise deadbolt with a 1 inch solid brass bolt and a hardened steel pin, supplied with a #380 security strike for steel frames and a #356 security strike for wood frames.
23) What deadbolt should I use if I want keypad or credential entry instead of the Arrow N43 key?
The Arrow N43 is a keyed mechanical mortise deadbolt operated by a mortise cylinder on one side and a thumbturn on the other. For electronic operation in a mortise body, the Codelocks CL2210 is an electronic mortise deadbolt. For surface or reader-based options, the Codelocks CL2200 is a medium duty electronic surface deadbolt in a brushed steel finish, the Dormakaba Saffire LX-D is an RFID electronic deadbolt with BLE and electronic lock override, and the Delaney KP400 is a Grade 2 electronic deadbolt with a programmable remote. Electronic units need a power plan and a credential system, which the mechanical N43 does not.
24) What is a Grade 2 alternative to the Arrow N43 for apartment entry doors?
The Arrow N43 is a commercial mortise deadbolt with a cylinder x thumbturn function. In a bored Grade 2 body with the same function, the Dexter DB2000-SCT is a Grade 2 single cylinder deadbolt for 1-3/8 to 1-3/4 inch doors, the same door range as the N43, and the Falcon D211 is a Grade 2 medium duty deadbolt in the D200 Series. The Cal-Royal CB160 is a Grade 2 single cylinder deadbolt with a tamper-resistant cylinder guard, and the Deltana CL200LA is a Grade 2 single deadbolt with a 2-3/4 inch backset matching the N43 backset.
25) The door has no room for a bolt through the edge on the inside face - is there a one sided deadbolt instead of the Arrow N43?
The Arrow N43 is keyed on the outside with a thumbturn on the inside, so it needs prep and trim on both faces. The Callan 205S is a Grade 3 one sided half-bore deadbolt, operated from one face only, which suits a door where nothing can be mounted on the opposite side. The Detex DX Series is a hinge side locking deadbolt with multi-point security if the requirement is securing the hinge edge rather than the lock edge.
26) What finishes does the Arrow N43 mortise deadbolt come in?
Five: 605 bright brass, 612 satin bronze, 613 oil rubbed bronze, 625 bright chrome, and 626 satin chrome. For matching existing commercial openings, 626 satin chrome is the usual house standard; 613 is the dark bronze that pairs with aluminum storefront in dark anodized.
27) Is the Arrow N43 deadbolt rated for commercial use or is it a residential lock?
Commercial. The housing is heavy wrought steel with a zinc dichromate finish, the bolt is solid brass with a hardened steel pin, and both frame strikes are security strikes. For a lighter residential or light commercial opening, a Grade 2 or Grade 3 tubular unit like the Cal-Royal CB160 or Cal-Royal LSD carries less material and cost.
28) I need a deadbolt with decorative trim to match residential entry hardware - what instead of the Arrow N43?
The Arrow N43 is a commercial mortise deadbolt with a heavy wrought steel housing in a zinc dichromate finish, offered in 605 bright brass, 612 satin bronze, 613 oil rubbed bronze, 625 bright chrome, and 626 satin chrome. Where the look matters more than a mortise body, the Emtek #11 Tuscany is a lost wax cast bronze deadbolt with a cylinder x thumbturn function, the Bravura 310RC Elite is a Grade 2 contemporary round deadbolt and the 310SC Elite a Grade 2 contemporary square deadbolt, both cylinder x thumbturn, and the Bravura 310B Elite is a Grade 2 traditional round deadbolt. The Baldwin Reserve contemporary round and square double cylinder deadbolts are keyed on both faces rather than thumbturn.
How fast can I get the Arrow N43 26D delivered?
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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 N43 26D come with a warranty?
Absolutely. The Arrow N43 26D 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 N43 26D?
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
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