Arrow MK33-BD-CS Grade 2 Asylum Cylindrical Lock, Ball Knob, Conventional Cylinder Schlage C Keyway
MK Series Grade 2 Cylindrical Knob Locks
The Arrow MK Series has a clear design and is a simple solution to accessibility requirements.
The MK Series is available in several finishes and functions that make them ideal for commercial applications where heavy duty grade one hardware may not be necessary.
- Lock Chassis – Cold rolled steel with zinc dichromate finish for corrosion resistance. Requires standard 2-1/8" (53.97mm) bore through door.
- Backset – 2-3/8" (60.32mm) standard. 2-3/4" (69.85mm), 3-3/4" (95.25mm) and 5" (127mm) available.
- Door Thickness – 1-3/8" (34.92mm) to 1-3/4" (44.45mm). Latch – Brass with 1/2" (12.7mm) throw.
- Latch housing is steel, with zinc dichromate finish for corrosion resistance. 7/8" (22.225mm) bore in edge of door is required.
- Latch Front – Brass, bronze or stainless steel. Standard faceplate for 2-3/8” (60.32.mm) backset measures 2-1/4” (57.15mm) x 1” (25.40mm) with a flat front, for 2-3/4” (69.85mm) backset standard faceplate measures 2-1/4” (57.15mm) x 1-1/8” (28.57mm) with beveled front 1/8” (3.17mm) in 2” (50.8mm).
- Strike – Brass, bronze or stainless steel. Standard “T” strike measures 2-3/4" (69.85mm) x 1-1/8" (28.57mm). Optional ANSI A115.1 strike measures 4-7/8" (123.82mm) x 1-1/4" (31.75mm). All strikes have a 1-1/4" (31.75mm) lip to center dimension.
- Handing– Reversible.
- Cylinder, Standard – Solid brass 6 pin cylinder with Arrow “A” keyway, keyed to 5 pin for stock. Can be masterkeyed, grandmaster keyed and construction master keyed. Conventional cylinders are also available in a variety of competitive manufacturer’s keyways. Supplied with two 5 pin brass keys for stock. Available in Schlage CS keyway and other competitive keyways.
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Handing: Non-handed
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Bolt Projection: 1/2"
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Cylinder Type: Conventional Cylinder
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Pins: 6
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Number of Keys: 2
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Keys: Cut
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Standard Latch Type: Deadlatch
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Screws: Wood/Machine Screws
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Standard Latch Backset Dimension: 2-3/4"
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Bore Hole Diameter: 2-1/8"
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Lock Face Size: 2-1/4" × 1-1/8"
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Function Family: Institutional
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ANSI Function: F87 – Asylum
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Latch Bore Diameter: 7/8"
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Door Thickness: 1-3/8" to 1-3/4"
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Standard Strike Height: 2-3/4"
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Standard Strike Width: 1-1/8"
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Lever/Knob Design Family: Ball Knob
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Rose/Escutcheon Dimensions: 2-9/16"
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Rose/Escutcheon Design: 2-9/16" Rose Diameter
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Standard Keyway: Schlage C
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Standard Latch Number: 114
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Standard Strike Number: 300
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Standard Strike Type: T-Strike
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Lever/Knob Design: BD – Ball Knob
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Function: 33 – Asylum
Dimensions & Packaging
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Pack Quantity: 1
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Pack Height: 2.63"
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Pack Length: 7.5"
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Pack Width: 3.5"
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Pack Volume: 68.91 in³
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Product Height: 2.63"
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Product Length: 7.5"
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Product Width: 3.5"
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Shipping Weight: 1.5 lbs
Manufacturer Resources
Product Specs
- Grade:
- Grade 2
- Duty Level:
- Heavy Duty
- Keyed Function:
- Conventional Cylinder
- Standard Strike:
- ANSI 1-1/4" x 4-7/8" with 1-3/16" Lip
- Rose Diameter:
- 3-1/2"
- ANSI/BHMA:
- F87
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Product Type:
- Leversets
- Subcategory:
- Cylindrical Locks
- Keyed:
- Yes
- Electronic:
- No
- Commercial/Residential:
- Commercial
- Cylinder and Keyways:
- C Keyway
- Lock Type:
- Cylindrical
- Handle Type:
- Lever
- Lock Function:
- Asylum/Institution/Utility
- Product Attribute:
- Cylindrical Locks
- Product Model:
- MK33
- Product Function:
- Asylum/Institution/Utility
- Door Hand Direction:
- Non-Handed
- Product Category:
- Mechanical Locks
- Backset (Distance):
- 2-3/4"
- Department:
- Door Hardware