Door Knob Spindle and Dummy Spindle Hardware

Replace an old or worn door knob spindle with one of our door or dummy spindles. Tip: if you need a threaded spindle find out what the threads per inch are, and check to see that the spindle thickness is small enough to fit through the hub of your lock or latch.

53 Products

4-Inch Steel Threaded Spindle 8 mm - 20 TPI

This sturdy 4-inch spindle is designed to facilitate new or vintage doorknobs with threaded shanks of 20 TPI. Constructed of hardened steel, it provides smooth operation and long-lasting wear. Ideal for standard doors.

$4.79
4 3/4" Threaded Doorknob Swivel Spindle with 3/8" Solid Centers - 18 TPI

This sturdy spindle is designed to facilitate new or vintage doorknobs with threaded shanks of 18 TPI. Used with privacy latches and mortise locks with larger hubs, its hardened steel construction provides smooth operation and long-lasting wear. At 4 3/4-inch in length, it's ideal for thicker doors. Features two 3/8-inch solid centers and a standard 9/32-inch thickness.

$13.49
3 3/4" Threaded Doorknob Swivel Spindle 7mm - 20 TPI

Our 3 3/4-Inch Threaded Doorknob Swivel Spindle facilitates new or vintage doorknobs with threaded shanks of 20 TPI. Used with privacy latches and mortise locks, its zinc-plated steel construction provides smooth operation and long-lasting wear. It features a standard 7mm thickness.

$6.49
Steel Half Spindle 7mm 20-TPI

7mm Half spindle for doorknobs. Steel. Zinc plated. For mortise locks or rim locks where only one doorknob is used. Secured with a screw at one end.

$3.79
Steel Half Spindle 8 mm 20-TPI

8mm Half spindle for doorknobs. Steel. Zinc plated. For mortise locks or rim locks where only one doorknob is used. Secured with a screw at one end.

$3.79