Sure-Loc Cylindrical Knobset G...
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Sure-Loc Cylindrical Knobset Grade 2 with Deadbolt, ADA Compliant

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Model: GT107 26D
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$75.40
$51.22
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Sure-Loc Cylindrical Knobset Grade 2 with Deadbolt, ADA Compliant

Sure-Loc's Cylindrical Knobset Grade 2 with Deadbolt delivers a coordinated tubular lockset for residential entry doors. The knobset and companion deadbolt both carry an ANSI Grade 2 UL rating, and each is keyed with a 6-pin Schlage SC1 keyway as standard, with a 6-pin KW1 keyway also available. Backset is specifiable at 2-3/8" or 2-3/4" (60-70mm), and the set fits doors 1-3/8" to 1-3/4" (35-45mm) thick, meeting ADA requirements for accessible operation.

Key Features

  • Adjustable Backset: Specify a 2-3/8" or 2-3/4" (60-70mm) backset to match your door preparation.
  • Door Thickness Compatibility: Fits doors 1-3/8" to 1-3/4" (35-45mm) thick for standard residential door prep.
  • ANSI Grade 2 UL Rated: Both the knobset and deadbolt are ANSI Grade 2 UL listed for dependable, code-recognized performance.
  • 6-Pin Schlage SC1 Keyway: Standard 6-pin Schlage SC1 keyway, with a 6-pin KW1 keyway also available for keying flexibility.
  • ADA Compliant Operation: Designed to meet ADA requirements for accessible entry.
  • Tubular Lock Construction: Tubular bored lockset construction supports Classroom, Entry, and Storeroom lock functions.
  • Coordinated Single-Cylinder Deadbolt: Includes a matching ANSI Grade 2 UL deadbolt with single-cylinder keyed function and the same 6-pin Schlage SC1 keyway for coordinated security.

Certifications & Compliance

  • ANSI Grade 2 UL Listed Knobset
  • ANSI Grade 2 UL Listed Deadbolt
  • ADA Compliant

Technical Specifications

  • Collection: Door Hardware
  • Department: Door Hardware
  • Commercial/Residential: Residential
  • Electronic: No
  • Product Group: Mechanical Locks
  • Product Category: Mechanical Locks
  • Product Subgroup: Bored Locksets
  • Product Type: Knobsets
  • MAP Policy: None
  • Lock Type: Tubular
  • Keyed: Yes
  • Keyed Function: Single Cylinder
  • Lock Function: Classroom, Entry, Storeroom
  • Product Function: Knobsets
  • Product Model: GT105 / GT107 / GT108
  • Keyway Profile: KW1 (SC1 available)

Typical Applications

  • Single-Family Residences
  • Multi-Family Residential Properties
  • Classroom Doors
  • Storeroom and Storage Entries
  • Interior and Exterior Entry Doors
  • Rental and Multi-Tenant Properties

Why Sure-Loc ?

Sure-Loc knobset and deadbolt combination sets deliver ANSI Grade 2 UL rated construction with ADA-compliant operation for residential doors that need reliable, code-recognized security. Standard 6-pin Schlage SC1 keying, with KW1 keyway compatibility, gives installers straightforward rekeying options across a range of door prep requirements and lock functions.

Manufacturer Resources

Product Specs

Series:
Cylindrical
Department:
Door Hardware
Subcategory:
Knobs
Commercial/Residential:
Residential
Electronic:
No
Product Group:
Mechanical Locks
Product Category:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Knobset
Handle Type:
Knob
MAP Policy:
None
Lock Type:
Tubular
Keyed:
Yes
Keyed Function:
Single Cylinder
Lock Function:
Classroom, Entry, Storeroom
Product Function:
Knobsets
Product Model:
GT105 / GT107 / GT108
Keyway Profile:
KW1 (SC1 available)

Sure-Loc GT107 26D – Frequently Asked Questions

1) Will the Sure-Loc GT knobset fit a 1-3/8 inch interior door, or does it need a 1-3/4 inch slab?
Both work. The Sure-Loc cylindrical knobset and its companion deadbolt fit doors 1-3/8 to 1-3/4 inches (35-45mm) thick, which covers standard residential interior slabs and typical exterior entry doors. Backset is specifiable at 2-3/8 or 2-3/4 inches, so it drops into either of the two common bored preps without redrilling.
2) Which backset do I order for the Sure-Loc knobset with deadbolt?
Measure from the door edge to the center of the existing bore. If it is 2-3/8 inches you order that backset; if it is 2-3/4 inches you order the longer one. Sure-Loc specifies the GT knobset at either, so match the door prep rather than trying to adapt it.
3) Can I key the Sure-Loc knobset and deadbolt to the Kwikset keys already on my rental units?
Yes. The Sure-Loc GT set is offered with a 6-pin KW1 keyway, which is the Kwikset profile, alongside the 6-pin Schlage SC1 keyway. Knobset and deadbolt share the same keyway, so one key runs both cylinders on the door.
4) What is the difference between the Entry, Storeroom and Classroom functions on this Sure-Loc knobset?
Entry lets the inside knob lock the outside knob with a button or turn, and the key retracts the latch from outside. Storeroom keeps the outside knob locked at all times so the door secures behind you every time, with the inside knob always free. Classroom is locked and unlocked only by key from the outside, with no inside locking, so a room cannot be locked down by an occupant. All three are offered in 26D satin chrome on the Sure-Loc GT set.
5) Will this Sure-Loc set work on a 2 inch thick solid entry door?
No. It tops out at 1-3/4 inches. For a thicker slab you need hardware with a wider range, like the Corbin Russwin CK4851 entrance/office knob lock rated 1-3/8 to 2 inches, or the Falcon X101 at 1-3/8 to 2-1/4 inches.
6) I need a Grade 1 storeroom knob lock instead of a Grade 2 residential set - what should I order?
For a Grade 1 storeroom opening, the Sargent 8XG04 is a heavy duty Grade 1 storeroom/closet knob lock with a single cylinder and a 2-3/4 inch backset. The Sure-Loc cylindrical knobset is a Grade 2 residential tubular set whose storeroom function comes with a matching single-cylinder deadbolt. The BEST 8K Series entrance knob lock is another heavy duty Grade 1 option if the function you need is entrance rather than storeroom.
7) What is the closest Grade 2 keyed cylindrical knob equivalent to the Sure-Loc GT105 series in classroom function?
The Dexter C2000 Series classroom knob lock is a Grade 2 keyed cylindrical ball knob rated for doors 1-3/8 inch to 1-3/4 inch thick, matching the Sure-Loc cylindrical knobset's Grade 2 classroom function and the same 1-3/8 inch to 1-3/4 inch door range. The Dexter is described as non-clutching; the Sure-Loc set is supplied with a coordinated single-cylinder deadbolt and a 6-pin SC1 keyway as standard.
8) Which knobsets look like a substitute for the Sure-Loc GT keyed set but are not?
Watch for non-keyed trim. The BEST 6K Series single dummy and the Schlage A170 single dummy are Grade 2 cylindrical knob trims with no latch or cylinder at all, and the Bravura Biloxi is a Grade 2 dummy knobset. Passage and privacy models such as the Dexter C2000 passage and privacy ball knobs, the Corbin Russwin CK4410 passage/closet, and the Arrow MK01 and RK01 passage knobs are also Grade 2 but non-keyed. The Sure-Loc cylindrical knobset is keyed with a single-cylinder function in classroom, entry, and storeroom.
9) What should I use on doors thicker than 1-3/4 inches, since the Sure-Loc knobset stops there?
The Sure-Loc cylindrical knobset covers doors 1-3/8 inch to 1-3/4 inch. For thicker leaves, the Corbin Russwin CK4851 entrance/office cylindrical knob lock with conventional cylinder covers 1-3/8 inch to 2 inch, and the Falcon X101 cylindrical passage knobset covers 1-3/8 inch to 2-1/4 inch. Deltana's 3381 Egg Knob entry and 6171 Round Knob entry sets also cover 1-3/8 inch to 2 inch if a keyed entry function is what you need.
10) Does any comparable knob lock carry a fire rating, since the Sure-Loc GT set is a residential Grade 2 product?
The Sure-Loc cylindrical knobset is a residential ANSI Grade 2 UL rated tubular set. Where a fire-rated opening is involved, the Falcon W101 is a Grade 2 medium duty cylindrical knob lock with a 2-3/4 inch backset and a fire rating, and the Falcon X101 is a Grade 1 heavy duty cylindrical knobset with an interchangeable core and a fire rating. Both Falcon models are passage/closet latch function rather than keyed.
11) Is this a tubular lock or a mortise lock, and what door prep does it need?
It is a tubular bored lockset, so it goes into a standard cylindrical bore with a latch bore through the door edge, not a mortise pocket. That means it retrofits the prep most residential entry doors already have, at either a 2-3/8 or 2-3/4 inch backset.
12) Is there a lighter-duty keyed entry knob alternative to the Sure-Loc GT series for low-traffic rental doors?
Yes. The Cal-Royal BER00 is a Grade 3 entrance/office knob lock with a Kwikset keyway that fits doors 1-3/8 inch to 1-3/4 inch thick, and the Pamex FTF Baron is a Grade 3 entrance/office knob lockset over the same door thickness range. Both sit a grade below the Sure-Loc cylindrical knobset, which is ANSI Grade 2 UL rated on both the knobset and its companion deadbolt.
13) I need a keyed entry knob on a Kwikset KW1 key system - what are my options besides the Sure-Loc set?
The Sure-Loc cylindrical knobset is available with a 6-pin KW1 keyway as well as the standard 6-pin Schlage SC1. If you would rather stay with a factory KW1 product, the Cal-Royal BER00 is a Grade 3 entrance/office knob lock supplied with a Kwikset keyway. The Kwikset 400P-CP keyed entry Polo knob is a Grade 3 entrance set for doors 1-3/8 inch to 1-3/4 inch thick and ships with a round corner adjustable latch and round corner strike.
14) Are there Grade 2 entrance knobsets from other brands that compete with the Sure-Loc GT entry function?
Yes. The Callan Edgewood is a Grade 2 entrance knobset, and the Callan Roland is a Grade 2 entrance model in US15 satin nickel. The Sure-Loc cylindrical knobset's entry function is offered in 26D satin chrome and is keyed with a 6-pin SC1 keyway as standard with a coordinated single-cylinder deadbolt.
15) I only need privacy function on a bath door - what takes the place of the Sure-Loc keyed knobset there?
The Sure-Loc cylindrical knobset is keyed and built for classroom, entry, and storeroom functions, so it is not a bath door part. For privacy, the Dexter C2000 privacy ball knob is a Grade 2 non-keyed set for doors 1-3/8 inch to 1-3/4 inch, the Cal-Royal BER20 is a Grade 3 privacy knob lock with brass trim over the same door range, and the Pamex FTF Baron privacy is a Grade 3 option, also 1-3/8 inch to 1-3/4 inch.
16) Can I use the Sure-Loc GT knobset as trim on an exit device?
No. The Sure-Loc product is a bored tubular cylindrical knobset with a companion deadbolt for residential doors. Exit device trim is a separate part: the Sargent 28C-KNOB is knob and rose trim with an entrance function for 1-3/4 inch doors in the 28 Series, and the Imperial USA ED-BKL580 is storeroom function knob trim in the ED-500 Series. Sargent's 78-2875 is an outside knob only in the 7800 Series.
17) What is a keyless alternative if I do not want to issue keys like the Sure-Loc SC1 set requires?
The Lockey 3830 is a mechanical keyless combination knob lock with an auto-locking passage function for doors 1 3/16 inch to 2 inch thick. The Sure-Loc cylindrical knobset is a keyed mechanical set with a 6-pin SC1 keyway standard and KW1 available, and is not electronic.
18) What finish does the Sure-Loc GT knobset come in?
26D satin chrome, across all three functions (Entry, Storeroom and Classroom). If you are standardizing a building on satin chrome knob hardware, the whole set matches, knob and deadbolt.
19) Which Sure-Loc model number is the knobset?
The GT knobset with deadbolt runs under models GT105, GT107 and GT108, one per lock function. Quote the function you need (Entry, Storeroom or Classroom) along with the backset and keyway and the right model follows.
How fast can I get the Sure-Loc GT107 26D 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 Sure-Loc GT107 26D come with a warranty?
Absolutely. The Sure-Loc GT107 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 Sure-Loc GT107 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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