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 3/4" Threaded and Tapped Doorknob Swivel Spindle with 3/8" Removable Centers

This sturdy spindle is designed to facilitate new or vintage doorknobs with threaded shanks of 20 TPI. Used with privacy latches and mortise locks, 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 a standard 9/32-inch thickness and removable 3/8-inch centers.

$11.79
4 3/4" Threaded Doorknob Swivel Spindle with Stop Pin - 20 TPI

This sturdy spindle is designed to facilitate new or vintage doorknobs with threaded shanks of 20 TPI. Used with privacy latches and mortise locks, 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 a standard 9/32-inch thickness and stop pin for stability.

$7.29
4 1/2" Threaded Doorknob Swivel Spindle 7mm - 20 TPI

Our 4 1/2-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. Ideal for thicker doors.

$7.29
5" Threaded Doorknob Swivel Spindle - 20 TP

This heavy-duty swivel spindle is designed to facilitate new or vintage doorknobs with threaded shanks of 20 TPI. Used with privacy latches and mortise locks, its hardened steel construction provides smooth operation and long-lasting wear. At 5-inch in length, it's ideal for thicker doors. Features a 3/8-inch thickness.

$25.99
2 1/2-Inch Steel Sectional Spindle 7 mm - 20 TPI

Split spindles for doorknobs. Steel. Zinc plated. To be used with threaded doorknobs. Used with locks when a doorknob is needed on one side only.

$7.09 Sold Out
5" Heavy-Duty Doorknob Swivel Spindle - Tapped 10-24

This heavy-duty spindle is designed to facilitate new or vintage doorknobs with non-threaded shanks. Used with privacy latches and mortise locks, its hardened steel construction provides smooth operation and long-lasting wear. At 5-inch in length, it's ideal for thicker doors. Features a 3/8-inch thickness, and tapped for 10-24 set screws.

$25.99
4" Threaded Doorknob Swivel Spindle 7mm - 20 TPI

Our 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.

$7.99
4 1/2" Non-Standard Threaded Doorknob Spindle - 18 TPI

This sturdy spindle is designed to facilitate new or vintage doorknobs with threaded shanks of 18 TPI. Constructed of hardened steel, it provides smooth operation and long-lasting wear. With a 4 1/2-inch length, it's ideal for thicker doors. Features a 9/32-inch thickness.

$12.19
3 1/2" Non-standard Coarse Threaded Doorknob Spindle 7mm - 16 TPI

This sturdy spindle is designed to facilitate new or vintage doorknobs with threaded shanks of 16 TPI. Constructed of hardened steel, it provides smooth operation and long-lasting wear. With a 3 1/2-inch length, it's ideal for standard doors, and features a 7mm thickness.

$6.89
3 1/2-Inch Steel Threaded Spindle 8 mm - 20 TPI

This sturdy 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. With a 3 1/2" length, it's ideal for standard doors.

$7.39
5" Non-Standard Threaded Doorknob Spindle - 16 TPI

This sturdy spindle is designed to facilitate new or vintage doorknobs with threaded shanks of 16 TPI. Constructed of hardened steel, it provides smooth operation and long-lasting wear. With a 5-inch length, it's ideal for thicker doors. Features a standard 9/32-inch thickness.

$12.19
2 1/2-Inch Steel Sectional Spindle 7 mm - 20 TPI - Tapped 10-24

Split spindles for doorknobs. Steel. Zinc plated. Have 3 threaded holes tapped 10-24, and can be used with threaded doorknobs or with old doorknobs with square holes. Used with locks when a doorknob is needed on one side only.

$8.29 Sold Out
4 3/4" Threaded Doorknob Swivel Spindle with Stop Pin - 16 TPI

This sturdy spindle is designed to facilitate new or vintage doorknobs with threaded shanks of 16 TPI. Used with privacy latches and mortise locks, 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 a standard 9/32-inch thickness and stop pin for stability.

$19.29
2 1/2-Inch Steel Sectional Spindle 7 mm - 16 TPI - Tapped 10-24

Split spindles for doorknobs. Steel. Zinc plated. Have 3 threaded holes tapped 10-24, and can be used with threaded doorknobs or with old doorknobs with square holes. Used with locks when a doorknob is needed on one side only. These have the coarser 16 TPI.

$8.49
4-Inch Steel Threaded Swivel Spindle 8 mm - 20 TPI

Our 4-Inch x 8mm 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.

$7.29
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.

$19.39
4" Non-standard Threaded Doorknob Spindle - 16 TPI

This sturdy spindle is designed to facilitate new or vintage doorknobs with threaded shanks of 16 TPI. Constructed of hardened steel, it provides smooth operation and long-lasting wear. With a 4-inch length, it's ideal for standard doors. Features a 9/32-inch thickness.

$12.09
1 1/8" Non-standard Threaded Dummy Doorknob Spindle 7mm - 16 TPI

This sturdy spindle is designed to facilitate fixed doorknobs with threaded shanks of 16 TPI that don't operate a latch. Typically used on closet, pantry, or French doors, it's constructed of solid steel, and features a 7mm thickness.

$7.09
3 1/2-Inch Threaded Doorknob Swivel Spindle with Stop Pin - 20 TPI

This sturdy 3 1/2-inch spindle is designed to facilitate new or vintage doorknobs with threaded shanks of 20 TPI. Used with privacy latches and mortise locks, its hardened steel construction provides smooth operation and long-lasting wear.

$19.29
3 1/2" Threaded Doorknob Swivel Spindle 7mm - 20 TPI

Our 3 1/2-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.

$7.79
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.

$6.99
Steel Alignment Tool

Alignment tool for door trim. Made of zinc-plated steel. Consisting of 2 threaded cones and a 7 mm spindle, this simple but effective tool is used to align plates and roses with the latch or lock, and to mark the location of their screws for accurate installation. Works with any door thickness.

$12.99
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.

$8.19
4 3/4" Threaded Doorknob Swivel Spindle with 3/8" Solid Centers - 16 TPI

This sturdy spindle is designed to facilitate new or vintage doorknobs with threaded shanks of 16 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.

$19.39 Sold Out