Emtek 8581 Square Thumbturn Pr...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$69.00
$56.97
Emtek 8581 Square Thumbturn Privacy Bolt - Single Rosette - Use with Brass Passage Set

Emtek 8581 Square Thumbturn Privacy Bolt - Single Rosette - Use with Brass Passage Set

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Model: 8581US10B.RECUS4
From the Brass Collection
$69.00
$56.97
Selected Rosette is
Selected Rosette Finish is
Selected Thumbturn Style is
Selected Thumbturn Finish is
Selected Backset is

In Stock (leaves warehouse same day if ordered before 3pm ET)

$69.00
$56.97
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Emtek 8581 Square Thumbturn Privacy Bolt - Single Rosette - Use with Brass Passage Set

  • Handing Required for Leversets. Knob/Lever Lockset sold separately.
  • Standard latch is for 2-3/8” backset. Specify 2-3/4”backset if required.
  • Fits door thickness 1-3/8” to 1-3/4”. Specify if thicker.
  • Complete set includes latch, strike plate, and emergency release tool.
  • Thumbturn privacy bolt can be used with any Brass passage set.

 

Mix Match Style and Finish for thumbturn and rosettes:

  • 4 thumbturn designs in 10 finishes
  • 4 rosette designs in 10 finishes
  • Includes privacy latch and strike plate
  • Includes emergency release tool

 

Specifications:

  • Backset: Adjustable 2-3/8" or 2-3/4"
  • Cross Bore: 2-1/8"
  • Door Thickness: 1-3/8" to 1-3/4"
  • Latch Faceplate: Round or Square Corner
  • Material: Brass

 

Manufacturer Resources:

Product Specs

Subcategory:
Thumbturn Privacy Bolts
Collection:
Brass
Product Type:
Thumbturn Privacy Bolts
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Commercial/Residential:
Residential
Lock Function:
Privacy/Bed/Bath
Lock Type:
Tubular
Series:
Square
Theme:
Contemporary
Electronic:
No
Keyed:
No
Keyed Function:
Non-Keyed
MAP Policy:
Yes
Product Model:
8581
Product Function:
Privacy/Bed/Bath
Product Shape:
Square
Product Style:
Contemporary
Product Material:
Brass
Product Category:
Mechanical Locks
Product Substrate:
Brass
Department:
Door Hardware

Emtek 8581US10B.RECUS4 – Frequently Asked Questions

1) Does the Emtek 8581 thumbturn privacy bolt come with the knob or lever, or do I order that separately?
The 8581 is the privacy bolt only. The knob or lever passage set is a separate order, and the bolt is built to work with any Emtek Brass passage set. What you get in the box is the thumbturn, a single rosette, the privacy latch, the strike plate, and the emergency release tool. So a full bed or bath opening is two line items: the passage set that operates the door, and this bolt above it that locks it.
2) Will an Emtek 8581 privacy bolt fit a 1-3/8 inch interior door?
Yes. The 8581 covers 1-3/8 to 1-3/4 inch doors as supplied, which spans the common older interior door and the standard 1-3/4 inch slab. Anything thicker than 1-3/4 inches has to be called out on the order, since there is a door thickness field to specify it.
3) What backset and cross bore does the Emtek 8581 privacy bolt need in the door?
Cross bore is 2-1/8 inches, the standard bore an existing lockset already has. Backset is the choice you make at order time: 2-3/8 inch is standard and 2-3/4 inch has to be specified. Measure from the door edge to the center of the existing hole before you order, since those two are the usual backsets and picking the wrong one means the latch will not reach.
4) Can someone get into a bathroom from the outside if the Emtek privacy bolt is locked?
Yes, that is what the emergency release tool in the box is for. The 8581 is a privacy function bolt, non-keyed, so there is no cylinder and no key. The thumbturn locks from inside and the release tool unlocks it from the corridor side if someone is stuck or a child locks the door.
5) Do I have to specify handing for an Emtek 8581 thumbturn privacy bolt?
Not for the bolt itself. A thumbturn bolt throws straight and has no handed parts. Handing is required on Emtek leversets, so if you are buying a lever passage set to pair with it, that is the piece where left or right hand matters.
6) Can I mix the thumbturn finish and the rosette finish on the Emtek 8581?
Yes, thumbturn and rosette are picked independently. Ten finishes on each: Flat Black (US19), French Antique (US7), Oil Rubbed Bronze (US10B), Pewter (US15A), Polished Brass Lifetime (US3), Polished Chrome (US26), Polished Nickel Lifetime (US14), Satin Brass (US4), Satin Nickel (US15), and Unlacquered Brass (US3NL). Match them for a standard look, or run a contrasting thumbturn if that is the design intent.
7) Is the Emtek 8581 privacy bolt suitable for a commercial building or apartment turnover?
It is a residential product, brass, tubular latch type. That makes it right for single-family, condo, and multi-family unit interiors, bedroom and bathroom doors. For a commercial corridor or a high traffic institutional opening you want a graded cylindrical or mortise lockset instead, not a residential thumbturn bolt over a passage set.
8) Is the Emtek 8581 a single rosette bolt, and does it need a second rosette on the other side of the door?
Single rosette. The 8581 carries the thumbturn and its rosette on the inside face only; the corridor side of the door takes just the emergency release hole, no trim plate. That is the usual bed and bath arrangement, and it keeps the outside of the door clean above the passage knob or lever.
9) What latch faceplate shape comes with the Emtek 8581 privacy bolt?
Both round corner and square corner faceplates are covered. If you are dropping the bolt into an existing door that was already prepped, look at the mortise cut on the door edge: a rounded pocket takes the round corner plate, a chiselled square pocket takes the square corner. Matching it means no patching the edge of the door.
10) Can I standardize one thumbturn privacy bolt across every bedroom and bath door in a building?
Yes, and that is a reasonable way to spec it. The 8581 takes the same 2-1/8 inch cross bore across doors, handles 1-3/8 to 1-3/4 inch thicknesses, and offers the backset in both 2-3/8 and 2-3/4 inch so older doors and newer ones can both take it. Order one finish across the units and the bolt works over any Emtek Brass passage set, so you can vary the knob or lever style per unit type without changing the bolt.
11) Should I use a thumbturn privacy bolt or a privacy knob with a push button lock?
A privacy knob or lever locks in the knob itself, one hole in the door, one piece to order. The thumbturn bolt splits the job: a passage set that only latches, plus a separate bolt above it that does the locking. Go with the bolt when you want the deadbolt look and a heavier throw at eye level, or when you have already chosen a passage knob style and want privacy without changing it. Note the bolt needs its own bore in the door, so it is a second prep, not a swap.
12) What thumbturn shapes are available on the Emtek Square rosette privacy bolt?
Four thumbturn styles pair with the Square rosette: Arched (ARC), Arched Step (ARS), Rectangular (REC), and Rectangular Step (RES). The rosette itself is square on the 8581, which is the contemporary square profile, so the rectangular and stepped turns line up with that geometry if you want the lines to read consistently down the door.
How fast can I get the Emtek 8581US10B.RECUS4 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 Emtek 8581US10B.RECUS4 come with a warranty?
Absolutely. The Emtek 8581US10B.RECUS4 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 Emtek 8581US10B.RECUS4?
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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