Arrow MK Cylindrical Series Lock Darrin DD Style

Arrow Lock - Door Hardware
MK Series Cylindrical Knob Lock with Darrin DD Style

Arrow MK Series offer the designer, architect and contractor simple solutions to accessibility requirements. Their clean designs, architectural finishes and available functions make them ideal for commercial applications where heavy duty grade one hardware may not be necessary.

* Handing: Reversible.
* Grade: Grade 2 Lockset
* Knob Style: Darrin DD
* Door Thickness: 1-3/8" to 1-3/4"
* Backset: 2-3/8" standard. 2-3/4" , 3-3/4" and 5" available.
* Cylinder: Solid brass 6 pin cylinder with Arrow keyway, keyed to 5 pin for stock. Can be master keyed, grandmaster keyed and construction master keyed. Supplied with two 5 pin brass keys for stock.
* Certification & Compliance: ANSI/BHMA A125.2, Series 4000,
Underwriters Laboratories (UL and CUL) listed for use on 3 hour, A label single swinging doors
Federal Specifications FF-H-106C, Series 160

Functions:

Non Keyed Functions: (no keys included/needed)

MK01 - Passage/Closet Latchbolt operated by knob/lever either side.

MK02 - Privacy/ Bathroom Latchbolt operated by knob/lever either side except when inside pushbutton locks outside knob. Unlocked by turning inside knob, using emergency key outside or closing door.

MK03 - Communicating Latchbolt by inside knob/lever only. Blank rose only outside.

MK04 - Terrace Deadlocking latchbolt operated from either side, except when inside pushbutton locks outside knob. Unlocked by turning knob or closing door. Not recommended for doors in rooms with no other entrance.

MK05 - Communicating Deadlocking latchbolt operated by knob either side except when turnbutton in either knob locks knob on opposite side. - Deadlocking latchbolt operated by knob either side except when turnbutton either side locks both knobs.

MK07 - Exit Deadlocking latchbolt operated by inside knob only. Outside knob always rigid.

MK08 - Single Dummy Trim Rigid trim for one side of door only. Used as pull or to match active trim.

Single Cylinder Functions: (Keyed on one side only)

MK11 - Entrance/Office Latchbolt operated by knob either side except when outside knob is locked by turnbutton inside. When outside knob is locked, latchbolt operated by key outside or turning inside knob. Pushing and turning inside button will cause outside knob to remain locked. Button will then need to be manually rotated to unlock outside knob.

MK12 - Storeroom Latchbolt operated by key in outside knob or by inside knob. Outside knob always rigid.

MK13 - Exterior Latchbolt operated by knob from either side except when outside knob is locked by pushbutton inside. Outside knob remains locked until unlocked by key or turning inside knob.

MK14 - Service Station Latchbolt operated by knob either side except when slotted pushbutton inside locks outside knob. Outside knob unlocked by turning inside knob or closing door. When slotted button is pushed and turned, outside knob is rigid and is unlocked either by key outside or by turning inside knob. Inside knob always free.

MK15 - Hotel/Motel Latchbolt operated by inside knob at all times. Outside knob rigid at all times. Key outside will retract latchbolt except when pushing inside button shuts out all keys except emergency key and activates visual occupancy indicator on face of cylinder. Turning inside knob or closing door releases button and retracts visual indicator. Turning inside button with spanner key will lock button in fixed position. Button then released with spanner or emergency key.

MK17 - Classroom Latchbolt operated by knob either side except when key outside locks outside knob. Inside knob always free. Key outside locks/unlocks outside knob only.

MK18 - Communicating Deadlocking latchbolt by knob inside only except when key locks/unlocks knob. Blank rose only outside.

MK19 - Dormitory Latchbolt operated by knob either side except when outside knob is locked by key outside or pushbutton inside. Key outside locks or unlocks outside knob. Unlocked by turning inside knob, closing door or using key outside.

MK20 - Classroom Latchbolt operated by knob from either side except when key outside locks outside knob. Inside knob always free. Key outside locks/unlocks outside knob only. Latchbolt can be held in a retracted position by outside key.

Double Cylinder Functions: (keys on both sides)

MK31 - Communicating Latchbolt operated by knob either side. Key in either knob locks its own knob independently. Not recommended for use in rooms with no other entrance.

MK32 - Public Entrance Latchbolt operated by knob from either side except when key from inside knob locks outside knob. When outside knob is locked, latchbolt retracted by key in outside knob or by turning inside knob.

MK33 - Asylum Latchbolt operated by key in either knob. Both knobs always rigid.

MK34 - Exterior Doors Latchbolt operated by knob from either side except when both knobs are locked by key from either side.

MK35 - Exterior Doors Latchbolt operated by knob from either side except when both knobs are locked by key from either side.

Manufacturer: Arrow Lock
SKU:	ARROW-MK-Darrin-DD
MPN:	Arrow-MK-DD
Unit:	Each