Superior Brass
Product code (SKU): 53556
The Builders Choice Designer Knob Set Black 73mm Rnd Rose is a black door knob set for interior and entrance doors, with secure, smooth daily operation. Finished in Black and made from zinc alloy, it is supplied as a pair.
Zinc AlloyMaterialBlackFinish73mmSizePairSupplied As
The handle set is the same in each case the latch or lock behind it is what changes.
| Function | What it does |
|---|---|
| Passage | The latch operates from both sides at all times and does not lock. For bedrooms, living areas, studies any door that simply opens and closes. |
| Privacy | Locks from the inside with a turn or snib, with an emergency release on the outside. For bathrooms, ensuites and bedrooms. |
| Entrance / Euro | Key-lockable using a euro-profile cylinder in a euro mortice lock. For front, back and any door that must lock with a key. |
| Skeleton Key (Traditional) | A traditional 3 lever mortice lock operated by a skeleton key, with a key escutcheon on each face. For period doors. |
| Dummy / Fixed | A fixed handle with no latch. Used as a pull on a fixed panel or the inactive leaf of a double door. |
Austyle and Superior Brass share one lock platform, so the lock body is chosen by the door function and the backset you need. Codes below are the matching Matt Black.
| Function | Lock body | Centre distance | Code & backset | Use |
|---|---|---|---|---|
| Passage | Passage Tube Latch | 59028 45mm 59031 60mm | Bedrooms, living areas no lock | |
| Privacy | Privacy Mortice Lock | 57mm | 9062 45mm 59022 60mm | Bathrooms, ensuites, bedrooms |
| Entrance / Euro | Euro Mortice Lock | 85mm | 9000 47.6mm 59300 60mm | Front and back doors keyed |
| Skeleton Key | 3 Lever Mortice Lock | 57mm | 9020 45mm 59021 60mm | Traditional key lock |
| Rebated (Double Doors) | Rebated 3 Lever Mortice Lock | 57mm | 59047 45mm 59048 60mm | Double doors with a rebated meeting stile |
Backset is the distance from the door edge to the centre of the spindle. Measure the existing lock before ordering.
This set includes the handles and fixings only. The items below are required depending on the function you need. Codes shown are the matching Matt Black.
PassagePassage Tube LatchOperates the handle and holds the door closed.59028 59031HingesHinges are supplied as a pair. A standard door takes three order two pairs. Concealed 3D hinges are sold singly.55209Door StopProtects the wall and the handle when the door opens.53322PrivacyPrivacy Mortice LockThe privacy lock body for a bathroom or ensuite door.59022Privacy Turn & SnibThe inside snib, with an emergency release outside.59836HingesHinges are supplied as a pair. A standard door takes three order two pairs. Concealed 3D hinges are sold singly.55209Door StopProtects the wall and the handle when the door opens.53322Entrance / EuroEuro Mortice LockThe lock body that takes the euro cylinder.59300Euro CylinderThe keyed cylinder that fits the mortice lock.59141EscutcheonCovers the cylinder hole on the door face.53704HingesHinges are supplied as a pair. A standard door takes three order two pairs. Concealed 3D hinges are sold singly.55209Door StopProtects the wall and the handle when the door opens.53322Skeleton Key (Traditional)3 Lever Mortice LockTraditional lock body operated by a skeleton key.59021HingesHinges are supplied as a pair. A standard door takes three order two pairs. Concealed 3D hinges are sold singly.55209Door StopProtects the wall and the handle when the door opens.53322Dummy / FixedHingesHinges are supplied as a pair. A standard door takes three order two pairs. Concealed 3D hinges are sold singly.55209Door StopProtects the wall and the handle when the door opens.53322Ball CatchHolds a dummy or fixed leaf closed without a latch.59026
This item is made in the finishes below. Each finish has its own product code.
| Finish | Product code |
|---|---|
| Matt Black | 53556 |
| Satin Brass | 93556 |
Living finishes such as antique and unlacquered brass develop a natural patina over time.
| Product Code | 53556 |
| Finish | Black |
| Material | Zinc Alloy |
| Size | 73mm |
| Projection | 65mm |
| Range | Builders Choice Designer Knob |
| Supplied As | Pair |
12-Month Statutory Mechanical Warranty
Covers defects in materials and workmanship under normal use, when correctly installed. Applied as a standard-range product.
Finish care
Wipe with a soft, damp cloth. Avoid abrasive cleaners. Living finishes patina naturally over time.
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