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

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.

$6.19
3 1/2" Threaded Doorknob Spindle 7mm - 20 TPI

Our 3 1/2-Inch Threaded Doorknob 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.

$5.79
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.

$12.19
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.

$8.49
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.

$6.89
3" Zinc-Coated Steel Spindle 8mm Thick - 20 TPI

This sturdy spindle is designed to facilitate new or vintage doorknobs with threaded shanks of 20 TPI. Constructed of hardened zinc-coated steel, it provides smooth operation and long-lasting wear. Features a 8mm thickness.

$6.29
1 1/2-Inch Steel Dummy Spindle 7 mm 20-TPI

This sturdy 1 1/2-Inch Steel Dummy Spindle is designed to facilitate fixed doorknobs with threaded shanks of 20 TPI that don't operate a latch. Typically used on closet, pantry, or French doors, it's constructed of solid steel, and features a 7 mm thickness.

$7.29
4" Threaded Doorknob Spindle 7mm - TPI 20

Our 4-Inch Threaded Doorknob 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.

$5.29
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.

$6.79
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.

$6.49
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.

$8.09
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.

$8.49
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.

$12.19
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.

$10.09
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.

$7.19
Zinc plated Steel Nut for Spindles 3/8-Inch 20-TPI

Hexagonal screw for optional use with doorknob spindles. Intended for use with split spindles in doors that have a knob from only one side. By tightening the nut against the door lock’s hub, it helps set the spindle in the lock. Made of steel and zinc plated.

$1.79
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.

$9.19
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.

$6.09
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.

$6.19
4 3/4" Threaded Doorknob Swivel Spindle - 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 5-inch in length, it's ideal for thicker doors. Features a standard 9/32-inch thickness.

$12.19
3 1/4" Threaded Doorknob Swivel Spindle 7mm - 20 TPI

Our 3 1/4-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.

$6.79
3 1/2-Inch Steel Threaded Swivel Spindle 8 mm - 20 TPI

Our 3 1/2-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.

$7.39
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
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.

$5.49