About Tapping Screws
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About Thumb Screw and Binding Post Materials
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Hinge Screws
Commonly used with door hinge hardware, these screws cut threads in soft material such as aluminum and brass. They're beveled under the head for use in countersunk holes. They are undercut to allow more threading. Screws cut threads in drilled holes as they’re turned, so they require less driving torque and cause less stress on your material than thread forming screws. Length is measured from the top of the head.
Brass, bronze, and chrome-plated steel screws have a bright and attractive finish. They're corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | Thread Size  | Lg. | Dia. | Ht. | Drive Size | Drill Bit Size | Tapping Screw Type | For Use In | Pkg. Qty. | Pkg. | |
| Bronze-Plated Steel | 12-24 | 1/2" | 0.412" | 0.092" | No. 3 | No. 8 | F | Aluminum, Brass, Sheet Metal | 25 | 000000000 | 000000 |
Binding Barrels and Screws for Wood
Create strong joints in wood and wood composite. Barrels and screws are sold separately. Barrel length and screw length are measured from under the head.
Use a dowel nut to create a strong joint in a blind hole.
For technical drawings and 3-D models, click on a part number.
Screw | ||||||||
|---|---|---|---|---|---|---|---|---|
| Thread Size | Thread Lg. | Lg. | Head Dia. | Head Ht. | Drive Size, mm | Pkg. Qty. | Pkg. | |
Bronze-Plated Steel | ||||||||
| 10-24 | 7/8" | 1" | 0.519" | 0.079" | 4 | 25 | 000000000 | 000000 |
| 1/4"-20 | 0.472" | 0.472" | 0.669" | 0.079" | 4 | 25 | 000000000 | 0000 |
| 1/4"-20 | 0.512" | 0.906" | 0.519" | 0.079" | 4 | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.591" | 0.591" | 0.669" | 0.079" | 4 | 25 | 000000000 | 0000 |
| 1/4"-20 | 0.591" | 0.984" | 0.669" | 0.079" | 4 | 25 | 000000000 | 0000 |
| 1/4"-20 | 0.704" | 0.787" | 0.519" | 0.079" | 4 | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.708" | 0.708" | 0.669" | 0.079" | 4 | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.787" | 0.787" | 0.669" | 0.079" | 4 | 25 | 000000000 | 0000 |
| 1/4"-20 | 0.787" | 1.181" | 0.519" | 0.079" | 4 | 25 | 000000000 | 0000 |
| 1/4"-20 | 0.787" | 1.181" | 0.669" | 0.079" | 4 | 25 | 000000000 | 0000 |
| 1/4"-20 | 0.906" | 0.906" | 0.669" | 0.079" | 4 | 25 | 000000000 | 0000 |
| 1/4"-20 | 0.984" | 0.984" | 0.669" | 0.079" | 4 | 25 | 000000000 | 0000 |
| 1/4"-20 | 0.984" | 1 3/8" | 0.669" | 0.079" | 4 | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.984" | 1.378" | 0.519" | 0.079" | 4 | 25 | 000000000 | 0000 |
| 1/4"-20 | 1.181" | 1.578" | 0.519" | 0.079" | 4 | 25 | 000000000 | 00000 |
| 1/4"-20 | 1.181" | 1.578" | 0.669" | 0.079" | 4 | 25 | 000000000 | 00000 |
| 1/4"-20 | 1.181" | 1.772" | 0.519" | 0.079" | 4 | 25 | 000000000 | 00000 |
| 1/4"-20 | 1.181" | 1.772" | 0.669" | 0.079" | 4 | 25 | 000000000 | 00000 |
| 1/4"-20 | 1.181" | 1.969" | 0.519" | 0.079" | 4 | 25 | 000000000 | 00000 |
| 1/4"-20 | 1.181" | 1.969" | 0.669" | 0.079" | 4 | 25 | 000000000 | 00000 |
| 1/4"-20 | 1.575" | 2.359" | 0.519" | 0.079" | 4 | 10 | 000000000 | 0000 |
| 1/4"-20 | 1.575" | 2.359" | 0.669" | 0.079" | 4 | 10 | 000000000 | 0000 |
| 1/4"-20 | 1.575" | 2.756" | 0.519" | 0.079" | 4 | 10 | 000000000 | 0000 |
| 1/4"-20 | 1.575" | 2.756" | 0.669" | 0.079" | 4 | 10 | 000000000 | 0000 |
| 1/4"-20 | 1.575" | 3.15" | 0.519" | 0.079" | 4 | 10 | 000000000 | 00000 |
| 1/4"-20 | 1.575" | 3.15" | 0.669" | 0.079" | 4 | 10 | 000000000 | 0000 |
| 1/4"-20 | 1.575" | 3.543" | 0.519" | 0.079" | 4 | 10 | 000000000 | 00000 |
| 1/4"-20 | 1.575" | 3.547" | 0.669" | 0.079" | 4 | 10 | 000000000 | 00000 |
| 1/4"-20 | 1.575" | 3.937" | 0.519" | 0.079" | 4 | 10 | 000000000 | 0000 |
| 1/4"-20 | 1.575" | 3.937" | 0.669" | 0.079" | 4 | 10 | 000000000 | 00000 |
| 1/4"-20 | 1.575" | 4.328" | 0.519" | 0.079" | 4 | 5 | 000000000 | 00000 |
| 1/4"-20 | 1.575" | 4.328" | 0.669" | 0.079" | 4 | 5 | 000000000 | 00000 |
| 1/4"-20 | 1.575" | 4.724" | 0.519" | 0.079" | 4 | 5 | 000000000 | 00000 |
| 1/4"-20 | 1.575" | 4.724" | 0.669" | 0.079" | 4 | 5 | 000000000 | 0000 |
| 5/16"-18 | 1.181" | 1.579" | 0.669" | 0.079" | 5 | 25 | 000000000 | 00000 |
| 5/16"-18 | 1.181" | 1.969" | 0.669" | 0.079" | 5 | 25 | 000000000 | 00000 |
| 5/16"-18 | 1.575" | 2.362" | 0.669" | 0.079" | 5 | 10 | 000000000 | 00000 |
| 5/16"-18 | 1.575" | 2.756" | 0.669" | 0.079" | 5 | 10 | 000000000 | 00000 |
| 5/16"-18 | 1.575" | 3.15" | 0.669" | 0.079" | 5 | 10 | 000000000 | 00000 |
| 5/16"-18 | 1.575" | 3.938" | 0.669" | 0.079" | 5 | 10 | 000000000 | 00000 |
| 5/16"-18 | 1.969" | 4 1/2" | 0.669" | 0.079" | 5 | 5 | 000000000 | 00000 |
Barrel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Dia. | Head Dia. | Head Ht. | Thread Dp. | Drive Size, mm | Pkg. Qty. | Pkg. | |
Bronze-Plated Steel | |||||||||
| 10-24 | 0.512" | 0.244" | 0.512" | 0.098" | 0.315" | 4 | 25 | 000000000 | 000000 |
| 10-24 | 0.63" | 0.244" | 0.512" | 0.098" | 0.413" | 4 | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.472" | 0.35" | 0.659" | 0.098" | 0.295" | 5 | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.669" | 0.35" | 0.659" | 0.098" | 0.49" | 5 | 25 | 000000000 | 00000 |
| 5/16"-18 | 0.669" | 0.433" | 0.659" | 0.098" | 0.49" | 5 | 5 | 000000000 | 0000 |
| Thread Size | Lg. | Body Dia. | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | |||||
|---|---|---|---|---|---|
| 10-24 | 1/2" | 0.393" | 25 | 000000000 | 000000 |
| 1/4"-20 | 0.472" | 0.394" | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.591" | 0.394" | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.63" | 0.394" | 25 | 000000000 | 00000 |
| 1/4"-20 | 0.787" | 0.394" | 25 | 000000000 | 00000 |
| 1/4"-20 | 1.181" | 0.394" | 25 | 000000000 | 00000 |
| 5/16"-18 | 0.63" | 0.472" | 25 | 000000000 | 00000 |
| 5/16"-18 | 0.787" | 0.472" | 5 | 000000000 | 0000 |
Brass Binding Barrels and Screws for Door Hardware
Brass binding barrels and screws are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. Use them to anchor door closers, kickplates, and other architectural hardware. The barrel head is smooth with no drive to be tampered with on the outside of your door, and the screw has a flat head that sits flush with the surface for a finished look. The screw protrudes from the barrel to leave room for hardware. Install in a hole with a diameter equal to the barrel diameter. Barrel length and screw length are measured from under the head.
For technical drawings and 3-D models, click on a part number.
Barrel | Screw | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Material Thick. | Lg. | Dia. | Head Dia. | Head Ht. | Thread Dp. | Lg. | Head Dia. | Head Ht. | Drive Size | Countersink Angle | Appearance | Each | |
Bronze-Plated Brass | |||||||||||||
8-32 | |||||||||||||
| 1 3/8" | 1 3/16" | 1/4" | 1/2" | 1/8" | 5/8" | 1" | 5/16" | 3/32" | No. 2 | 82° | Dark | 000000000 | 00000 |
| 1 3/4" | 1 9/16" | 1/4" | 1/2" | 1/8" | 5/8" | 1" | 5/16" | 3/32" | No. 2 | 82° | Dark | 000000000 | 0000 |
10-32 | |||||||||||||
| 1 3/8" | 1 3/16" | 5/16" | 1/2" | 1/8" | 3/4" | 1" | 23/64" | 7/64" | No. 2 | 82° | Dark | 000000000 | 0000 |
| 1 3/4" | 1 9/16" | 5/16" | 1/2" | 1/8" | 3/4" | 1" | 23/64" | 7/64" | No. 2 | 82° | Dark | 000000000 | 0000 |
12-24 | |||||||||||||
| 1 3/8" | 1 3/16" | 5/16" | 1/2" | 1/8" | 3/4" | 1" | 13/32" | 9/64" | No. 3 | 82° | Dark | 000000000 | 0000 |
| 1 3/4" | 1 9/16" | 5/16" | 1/2" | 1/8" | 3/4" | 1" | 13/32" | 9/64" | No. 3 | 82° | Dark | 000000000 | 0000 |
1/4"-20 | |||||||||||||
| 1 3/4" | 1 9/16" | 3/8" | 9/16" | 5/32" | 1 1/4" | 1 1/2" | 31/64" | 5/32" | No. 3 | 82° | Dark | 000000000 | 0000 |
| 2 1/4" | 2 1/16" | 3/8" | 9/16" | 5/32" | 1 1/4" | 1 1/2" | 31/64" | 5/32" | No. 3 | 82° | Dark | 000000000 | 0000 |
5/16"-18 | |||||||||||||
| 2 1/4" | 2 1/16" | 1/2" | 3/4" | 3/16" | 1 1/4" | 1 1/2" | 19/32" | 13/64" | No. 4 | 82° | Dark | 000000000 | 0000 |
Pry-Resistant Deadbolt Locks for Double Doors
Designed to withstand vandalism better than other deadbolt locks for double doors, these mortise mount into a cutout in the doors. All have a latch bolt to secure doors in the closed position.
For technical drawings and 3-D models, click on a part number.