Master Lock DS Series - Grade 3 One-Sided Deadbolt, No Cylinder With Thumbturn

No. The DS05 is a single-sided deadbolt: thumbturn on the interior, no exterior keyway at all. Outside it is a blank plate, so there is no way to operate it from the exterior. That makes it right for doors you only ever need to secure from inside, like a back service door, a storage room, or a secondary entry that is never entered from outside. If anyone needs key access from the exterior, this is the wrong part and you want a cylinder x thumbturn deadbolt instead, such as the Arrow DBX61 or the Dexter DB2000 single cylinder.

Fixed at 2-3/4 inches (70mm). There is no adjustable latch on the DS05, so if your door is already bored on a 2-3/8 inch backset it will not line up. For an opening where you are not sure of the bore, an adjustable-backset deadbolt like the Cal-Royal ED500 or the Brinks Raleigh with its 4-way adjustable backset covers both common bores.

No. It carries ANSI Grade 3 performance and is classified as residential. Grade 3 is the lightest of the three ANSI security grades, built for house and apartment-unit duty rather than repeated commercial traffic. For a commercial opening, step up to Grade 2 or Grade 1 hardware such as the Cal-Royal CB160 (Grade 2) or the Design Hardware D1 Series (Grade 1, extra heavy duty).

For non-keyed, inside-only locking on a commercial opening, the Arrow E60 is a Grade 2 exit deadlock with a blank plate outside and a thumbturn inside, and it fits doors from 1-3/8 to 1-3/4 inches. The Callan 205S is another Grade 3 one-sided unit, this one a half-bore design, if your door is not bored through. The Master Lock DS05 is the residential Grade 3 choice in that same inside-only function.

The DS05 has a thumbturn inside and no exterior keyway, so it cannot be keyed from outside. For a keyed exterior on the same 2-3/4 inch backset, the Deltana CL200LA is a Grade 2 cylinder by thumbturn deadbolt with a 2-3/4 inch backset. If you want to stay at Grade 3, the Callan Model 200S is a Grade 3 single cylinder deadbolt with square trim, and the Cal-Royal ED500 is a Grade 3 cylinder by thumbturn deadbolt with an adjustable backset for 1-3/8 inch to 1-3/4 inch doors.

For an opening where the deadbolt must carry a fire rating, look at the Hager 3215, a Grade 2 single cylinder deadbolt with a 1 inch throw and a fire rating, or the Cal-Royal CRB800, a Grade 1 heavy duty single cylinder deadbolt with a UL 3-hour fire rated latch. The Master Lock DS05 is a Grade 3 residential deadbolt with a 1 inch solid core throw bolt and an interior thumbturn only.

A full 1 inch (25mm) solid core throw bolt. That is the full-throw length most residential strikes and reinforced strike boxes are cut for, so a standard deadbolt strike mortised for a 1 inch bolt will accept it. If the door currently has a short-throw or auxiliary bolt, plan on re-mortising the jamb to the deeper pocket.

Because the ordering form runs across the DS family. On the one-sided DS05 you choose "None (Select for Less Cylinder Options)" since there is no exterior cylinder to key. Keyed Different and Keyed Alike are there for the keyed configurations; a key code field is available if you are matching an existing key system on a keyed unit. Ordering this one with a keying selection will not add a cylinder to it.

Yes, that is a common use. It is a bored deadbolt on a fixed 2-3/4 inch backset, so it installs in its own cross-bore above the knob or lever. Just confirm the upper bore is on 2-3/4 inches, since the latch does not adjust, and remember there is no exterior key access, so the door still has to be openable from outside through the knob lock.

The Callan Model 210S is a Grade 3 double cylinder deadbolt, meaning it takes a key on both the inside and the outside. The Master Lock DS05 is the opposite arrangement: one-sided with a thumbturn inside and no exterior keyway at all. Both are Grade 3. A double cylinder is chosen where glass is near the lock; the DS05 is chosen where the door only needs to be secured from inside.

Step up to a Grade 1 unit. The Design Hardware D1 Series is a Grade 1 extra heavy duty double cylinder deadbolt for 1-3/4 inch doors, and the Corbin Russwin DL3011 is a Grade 1 cylindrical deadlock covering 1-3/4 inch to 2-1/4 inch thickness. Both are keyed products, where the Master Lock DS05 is a Grade 3 non-keyed thumbturn deadbolt.

No. The Arrow E61 26D IC is prepped for a small format interchangeable core and ships less core, so it is built around an exterior cylinder and fits doors 1-3/8 inch to 1-3/4 inch thick. The Master Lock DS05 is non-keyed with an interior thumbturn only and has a fixed 2-3/4 inch backset. Choose the E61 when the facility keys to an SFIC system, and the DS05 when no outside key access is wanted.

The Cal-Royal LSD is a Grade 3 deadbolt with an ADA ergonomic thumbturn, fitting doors 1-3/8 inch to 1-3/4 inch. It differs from the Master Lock DS05 in that it is a cylinder by thumbturn unit, so it also takes a key on the outside, where the DS05 has no exterior keyway.

Yes. The Master Lock DS05 uses a fixed 2-3/4 inch backset, so the door bore has to match. If your bores vary across a property, the Brinks Raleigh E2401 is a single cylinder deadbolt with a 4-way adjustable backset, and the Cal-Royal ED500 is a Grade 3 single cylinder deadbolt with an adjustable backset. Both of those are keyed on the exterior rather than one-sided.

Two: 716 Aged Bronze and 619 Satin Nickel. If you are standardizing a building, those are the BHMA finish numbers to match against your existing trim, 716 being the darker oil-rubbed-look bronze and 619 the brushed nickel.

The Codelocks CL200 is a surface deadbolt with key override, and the Delaney KP400 is a Grade 2 electronic deadbolt with a programmable remote. Both replace the manual operation of the Master Lock DS05, which is a mechanical Grade 3 deadbolt turned by an interior thumbturn.