Vintage Brass Door Knob Spindle Set With Satin Nickel Finish, Adjustable Square Drive, Classic Interior Door Hardware For Old School Homes, Two And A Quarter Inch Outside Diameter, Single Pack

Vintage Brass Door Knob Set with Square Spindle Single Pack
✔️ Satin Nickel finish, 2-1/4 in OD, square spindle, single pack

This indoor door knob set brings a classic vintage look to interior doors and uses a square drive spindle system common in antique hardware. It is designed for indoor doors and can adjust to fit different door thicknesses, making it a handy replacement for older homes.

✅ Finish: Satin Nickel
✅ Knob diameter: 2-1/4 in (57 mm); projection 1-3/4 in
✅ Spindle: 17/64 in x 3-1/2 in square spindle with 3/8-20 threads
✅ Materials: Knobs brass with steel spindle; mounting hardware included
✅ Includes: Set screws on each shank; recommended Loctite ThreadLocker 271 on threads
✅ Notes: Indoor use only; not universal; rosettes, trim, strike plates, latch and fasteners sold separately

💡 What is a square spindle door knob set used for on vintage interior doors?

💡 This type of knob set is handy for upgrading or restoring older interior doors that use square spindle hardware.

- Primarily used on interior doors with square drive spindles - Replaces worn or outdated knobs while preserving vintage aesthetics - Requires matching rosettes, latch, and strike hardware purchased separately