Thread Size Thread Size |
|---|
Length Length |
|---|
Thumb Screw Head Shape Thumb Screw Head Shape |
|---|
 |  |
| Round | Multi-Lobe |
 | |
| Two Arm |
Material Material |
|---|
|
Threading Threading |
|---|
 | Fully Threaded |
 | Partially Threaded |
Head Height Head Height |
|---|
|
|
|
Thread Spacing Thread Spacing |
|---|
Thread Fit Thread Fit |
|---|
|
Tensile Strength Tensile Strength |
|---|
|
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
|---|
About Thumb Screw and Binding Post Materials
More
Knurled Plastic-Head Thumb Screws
These thumb screws have a knurled head for a slip-resistant controlled adjustment. They have a lightweight and nonconductive plastic head and chemical-resistant 18-8 stainless steel threads. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Dia. | Ht. | Temperature Range, °F | Choose a Head Color | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
4-40 | |||||||||
| 1/4" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | 25 | 000000000 | 00000 | |
| 3/8" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | 25 | 000000000 | 0000 | |
| 1/2" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | 25 | 000000000 | 0000 | |
| 5/8" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | 25 | 000000000 | 0000 | |
| 3/4" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | 25 | 000000000 | 0000 | |
| 1" | Partially Threaded | 3/4" | 5/16" | 11/64" | 32° to 180° | 25 | 000000000 | 00000 | |
6-32 | |||||||||
| 1/4" | Fully Threaded | __ | 3/8" | 3/16" | 32° to 180° | 25 | 000000000 | 0000 | |
| 3/8" | Fully Threaded | __ | 3/8" | 3/16" | 32° to 180° | 25 | 000000000 | 0000 | |
| 1/2" | Fully Threaded | __ | 3/8" | 3/16" | 32° to 180° | 25 | 000000000 | 0000 | |
| 5/8" | Fully Threaded | __ | 3/8" | 3/16" | 32° to 180° | 25 | 000000000 | 0000 | |
| 3/4" | Fully Threaded | __ | 3/8" | 3/16" | 32° to 180° | 25 | 000000000 | 00000 | |
| 7/8" | Fully Threaded | __ | 3/8" | 3/16" | 32° to 180° | 25 | 000000000 | 00000 | |
| 1" | Fully Threaded | __ | 3/8" | 3/16" | 32° to 180° | 25 | 000000000 | 00000 | |
8-32 | |||||||||
| 1/4" | Fully Threaded | __ | 1/2" | 7/32" | 32° to 180° | 25 | 000000000 | 0000 | |
| 3/8" | Fully Threaded | __ | 1/2" | 7/32" | 32° to 180° | 25 | 000000000 | 00000 | |
| 1/2" | Fully Threaded | __ | 1/2" | 7/32" | 32° to 180° | 25 | 000000000 | 00000 | |
| 5/8" | Fully Threaded | __ | 1/2" | 7/32" | 32° to 180° | 25 | 000000000 | 00000 | |
| 3/4" | Fully Threaded | __ | 1/2" | 7/32" | 32° to 180° | 25 | 000000000 | 00000 | |
| 7/8" | Fully Threaded | __ | 1/2" | 7/32" | 32° to 180° | 25 | 000000000 | 00000 | |
| 1" | Fully Threaded | __ | 1/2" | 7/32" | 32° to 180° | 25 | 000000000 | 00000 | |
10-24 | |||||||||
| 3/8" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | 25 | 000000000 | 00000 | |
| 1/2" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | 25 | 000000000 | 00000 | |
| 5/8" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | 25 | 000000000 | 00000 | |
| 3/4" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | 25 | 000000000 | 00000 | |
| 7/8" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | 10 | 000000000 | 0000 | |
| 1" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | 10 | 000000000 | 0000 | |
10-32 | |||||||||
| 3/8" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | 25 | 000000000 | 00000 | |
| 1/2" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | 25 | 000000000 | 00000 | |
| 5/8" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | 25 | 000000000 | 00000 | |
| 3/4" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | 25 | 000000000 | 00000 | |
| 7/8" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | 10 | 000000000 | 0000 | |
| 1" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | 10 | 000000000 | 0000 | |
| 1 1/2" | Partially Threaded | 7/8" | 5/8" | 1/4" | 32° to 180° | 10 | 000000000 | 0000 | |
1/4"-20 | |||||||||
| 3/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 0000 | |
| 1/2" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 0000 | |
| 5/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 0000 | |
| 3/4" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 0000 | |
| 7/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 0000 | |
| 1" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 00000 | |
| 1 1/4" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 00000 | |
| 1 1/2" | Partially Threaded | 1" | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 00000 | |
| 1 3/4" | Partially Threaded | 1" | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 00000 | |
| 2" | Partially Threaded | 1" | 3/4" | 5/16" | 32° to 180° | 5 | 000000000 | 0000 | |
1/4"-28 | |||||||||
| 3/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 0000 | |
| 1/2" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 0000 | |
| 5/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 0000 | |
| 3/4" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 0000 | |
| 7/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 00000 | |
| 1" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 00000 | |
| 1 1/4" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | 10 | 000000000 | 00000 | |
5/16"-18 | |||||||||
| 1/2" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 10 | 000000000 | 00000 | |
| 5/8" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 10 | 000000000 | 00000 | |
| 3/4" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 5 | 000000000 | 0000 | |
| 7/8" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 5 | 000000000 | 0000 | |
| 1" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 5 | 000000000 | 0000 | |
| 1 1/4" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 5 | 000000000 | 0000 | |
| 1 1/2" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 5 | 000000000 | 0000 | |
5/16"-24 | |||||||||
| 1/2" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 5 | 000000000 | 0000 | |
| 5/8" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 5 | 000000000 | 0000 | |
| 3/4" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 5 | 000000000 | 0000 | |
| 7/8" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 5 | 000000000 | 0000 | |
| 1" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 5 | 000000000 | 0000 | |
| 1 1/4" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 5 | 000000000 | 0000 | |
| 1 1/2" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | 5 | 000000000 | 00000 | |
Metric Knurled Plastic-Head Thumb Screws
A knurled head allows for slip-resistant controlled adjustment. They have a lightweight and nonconductive plastic head and chemical-resistant 18-8 stainless steel threads. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||
|---|---|---|---|---|---|---|---|
| Lg., mm | Dia., mm | Ht., mm | Temperature Range, °F | Choose a Head Color | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||
M3 × 0.5 mm | |||||||
| 6 | 9.6 | 4.4 | 32° to 180° | 10 | 000000000 | 00000 | |
| 8 | 9.6 | 4.4 | 32° to 180° | 10 | 000000000 | 0000 | |
| 10 | 9.6 | 4.4 | 32° to 180° | 10 | 000000000 | 0000 | |
| 12 | 9.6 | 4.4 | 32° to 180° | 10 | 000000000 | 0000 | |
| 16 | 9.6 | 4.4 | 32° to 180° | 10 | 000000000 | 0000 | |
| 20 | 9.6 | 4.4 | 32° to 180° | 10 | 000000000 | 0000 | |
M4 × 0.7 mm | |||||||
| 6 | 13 | 5.5 | 32° to 180° | 10 | 000000000 | 0000 | |
| 8 | 13 | 5.5 | 32° to 180° | 10 | 000000000 | 0000 | |
| 10 | 13 | 5.5 | 32° to 180° | 10 | 000000000 | 0000 | |
| 12 | 13 | 5.5 | 32° to 180° | 10 | 000000000 | 0000 | |
| 16 | 13 | 5.5 | 32° to 180° | 10 | 000000000 | 0000 | |
| 20 | 13 | 5.5 | 32° to 180° | 10 | 000000000 | 0000 | |
M5 × 0.8 mm | |||||||
| 8 | 16 | 6.5 | 32° to 180° | 10 | 000000000 | 0000 | |
| 10 | 16 | 6.5 | 32° to 180° | 10 | 000000000 | 0000 | |
| 12 | 16 | 6.5 | 32° to 180° | 10 | 000000000 | 0000 | |
| 16 | 16 | 6.5 | 32° to 180° | 10 | 000000000 | 0000 | |
| 20 | 16 | 6.5 | 32° to 180° | 10 | 000000000 | 0000 | |
| 25 | 16 | 6.5 | 32° to 180° | 10 | 000000000 | 0000 | |
M6 × 1 mm | |||||||
| 10 | 19 | 7.6 | 32° to 180° | 10 | 000000000 | 0000 | |
| 10 | 26 | 7.8 | 32° to 180° | 10 | 000000000 | 0000 | |
| 12 | 19 | 7.6 | 32° to 180° | 10 | 000000000 | 0000 | |
| 12 | 26 | 7.8 | 32° to 180° | 10 | 000000000 | 0000 | |
| 16 | 19 | 7.6 | 32° to 180° | 10 | 000000000 | 0000 | |
| 16 | 26 | 7.8 | 32° to 180° | 10 | 000000000 | 0000 | |
| 20 | 19 | 7.6 | 32° to 180° | 10 | 000000000 | 0000 | |
| 20 | 26 | 7.8 | 32° to 180° | 10 | 000000000 | 00000 | |
| 25 | 19 | 7.6 | 32° to 180° | 10 | 000000000 | 0000 | |
| 25 | 26 | 7.8 | 32° to 180° | 10 | 000000000 | 00000 | |
M8 × 1.25 mm | |||||||
| 12 | 26 | 9.8 | 32° to 180° | 5 | 000000000 | 0000 | |
| 16 | 26 | 9.8 | 32° to 180° | 5 | 000000000 | 0000 | |
| 20 | 26 | 9.8 | 32° to 180° | 5 | 000000000 | 0000 | |
| 25 | 26 | 9.8 | 32° to 180° | 5 | 000000000 | 0000 | |
| 30 | 26 | 9.8 | 32° to 180° | 5 | 000000000 | 0000 | |
Large-Grip Plastic-Head Thumb Screws
These thumb screws have a large head that allows you to grip them with your entire hand for greater torque while tightening than standard knurled plastic-head thumb screws. They have a lightweight and nonconductive plastic head and chemical-resistant 18-8 stainless steel threads. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Dia. | Ht. | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
1/4"-20 | |||||||||
| 3/8" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 000000 |
| 1/2" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 5/8" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1 1/2" | Partially Threaded | 1" | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1 3/4" | Partially Threaded | 1" | 1 1/2" | 15/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 2" | Partially Threaded | 1" | 1 1/2" | 15/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
1/4"-28 | |||||||||
| 3/8" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1/2" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 5/8" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
5/16"-18 | |||||||||
| 1/2" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 5/8" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 3/4" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 7/8" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 1" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 1 1/4" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
5/16"-24 | |||||||||
| 1/2" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 5/8" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 3/4" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 7/8" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 1" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 1 1/4" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
3/8"-16 | |||||||||
| 3/4" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
| 1" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | __ | 1 1/2" | 15/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
Metric Large-Grip Plastic-Head Thumb Screws
A large head allows you to grip these screws with your entire hand for greater torque while tightening than standard knurled plastic-head thumb screws. They have a lightweight and nonconductive plastic head and chemical-resistant 18-8 stainless steel threads. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||
|---|---|---|---|---|---|---|---|
| Lg., mm | Dia., mm | Ht., mm | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||
M6 × 1 mm | |||||||
| 10 | 38 | 12.2 | 32° to 180° | Black | 10 | 000000000 | 000000 |
| 12 | 38 | 12.2 | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 16 | 38 | 12.2 | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 20 | 38 | 12.2 | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 25 | 38 | 12.2 | 32° to 180° | Black | 10 | 000000000 | 00000 |
M8 × 1.25 mm | |||||||
| 12 | 38 | 10 | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 16 | 38 | 10 | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 20 | 38 | 10 | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 25 | 38 | 10 | 32° to 180° | Black | 5 | 000000000 | 0000 |
Two-Arm Plastic-Head Thumb Screws
Arms provide a flat surface to push your fingers against. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Wd. | Ht. | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
10-24 | |||||||||
| 1/2" | Fully Threaded | __ | 1" | 1/4" | 32° to 180° | Black | 25 | 000000000 | 000000 |
| 5/8" | Fully Threaded | __ | 1" | 1/4" | 32° to 180° | Black | 25 | 000000000 | 00000 |
| 3/4" | Fully Threaded | __ | 1" | 1/4" | 32° to 180° | Black | 25 | 000000000 | 00000 |
| 1" | Fully Threaded | __ | 1" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
10-32 | |||||||||
| 3/8" | Fully Threaded | __ | 1" | 1/4" | 32° to 180° | Black | 25 | 000000000 | 00000 |
| 1/2" | Fully Threaded | __ | 1" | 1/4" | 32° to 180° | Black | 25 | 000000000 | 00000 |
| 5/8" | Fully Threaded | __ | 1" | 1/4" | 32° to 180° | Black | 25 | 000000000 | 00000 |
| 3/4" | Fully Threaded | __ | 1" | 1/4" | 32° to 180° | Black | 25 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | 1" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 1" | Fully Threaded | __ | 1" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 1 1/2" | Partially Threaded | 0.875" | 1" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
1/4"-20 | |||||||||
| 3/8" | Fully Threaded | __ | 1 1/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 1/2" | Fully Threaded | __ | 1 1/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 5/8" | Fully Threaded | __ | 1 1/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 3/4" | Fully Threaded | __ | 1 1/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 7/8" | Fully Threaded | __ | 1 1/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 1" | Fully Threaded | __ | 1 1/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | __ | 1 1/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1 1/2" | Partially Threaded | 1" | 1 1/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 2" | Partially Threaded | 1" | 1 1/4" | 5/16" | 32° to 180° | Black | 5 | 000000000 | 0000 |
5/16"-18 | |||||||||
| 1/2" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 5/8" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 7/8" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 1" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 1 1/4" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | __ | 1 1/2" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
Plastic-Head Thumb Screws with Hex Drive
Tighten these thumb screws by hand or with a hex key for more torque. They have a lightweight and nonconductive plastic head and chemical-resistant 18-8 stainless steel threads. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Dia. | Ht. | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
4-40 | |||||||||
| 9/32" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | Black | 25 | 000000000 | 00000 |
| 13/32" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | Black | 25 | 000000000 | 00000 |
| 17/32" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | Black | 25 | 000000000 | 00000 |
| 21/32" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 25/32" | Fully Threaded | __ | 5/16" | 11/64" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 29/32" | Partially Threaded | 3/4" | 5/16" | 11/64" | 32° to 180° | Black | 10 | 000000000 | 0000 |
6-32 | |||||||||
| 9/32" | Fully Threaded | __ | 3/8" | 3/16" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 13/32" | Fully Threaded | __ | 3/8" | 3/16" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 17/32" | Fully Threaded | __ | 3/8" | 3/16" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 21/32" | Fully Threaded | __ | 3/8" | 3/16" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 25/32" | Fully Threaded | __ | 3/8" | 3/16" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 29/32" | Fully Threaded | __ | 3/8" | 3/16" | 32° to 180° | Black | 10 | 000000000 | 0000 |
8-32 | |||||||||
| 9/32" | Fully Threaded | __ | 1/2" | 7/32" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 13/32" | Fully Threaded | __ | 1/2" | 7/32" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 17/32" | Fully Threaded | __ | 1/2" | 7/32" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 21/32" | Fully Threaded | __ | 1/2" | 7/32" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 25/32" | Fully Threaded | __ | 1/2" | 7/32" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 29/32" | Fully Threaded | __ | 1/2" | 7/32" | 32° to 180° | Black | 10 | 000000000 | 0000 |
10-24 | |||||||||
| 3/8" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 1/2" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 5/8" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 3/4" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 7/8" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 1 1/8" | Partially Threaded | 7/8" | 5/8" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
10-32 | |||||||||
| 3/8" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 1/2" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 5/8" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 3/4" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 7/8" | Fully Threaded | __ | 5/8" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 1 1/8" | Partially Threaded | 7/8" | 5/8" | 1/4" | 32° to 180° | Black | 10 | 000000000 | 0000 |
1/4"-20 | |||||||||
| 3/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 1/2" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 0000 |
| 5/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1 1/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1 3/8" | Partially Threaded | 1" | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
1/4"-28 | |||||||||
| 3/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1/2" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 5/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 3/4" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1 1/8" | Fully Threaded | __ | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
| 1 3/8" | Partially Threaded | 1" | 3/4" | 5/16" | 32° to 180° | Black | 10 | 000000000 | 00000 |
5/16"-18 | |||||||||
| 1/2" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 5/8" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 3/4" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 7/8" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 1 1/8" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
| 1 3/8" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
5/16"-24 | |||||||||
| 1/2" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
| 5/8" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 3/4" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 0000 |
| 1 1/8" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
| 1 3/8" | Fully Threaded | __ | 1" | 13/32" | 32° to 180° | Black | 5 | 000000000 | 00000 |
Ultra-Fine-Thread Plastic-Head Thumb Screws
Fine threads give you precise control. They have a ball bearing tip that adjusts to angled surfaces and minimizes damage from surface contact. They have a lightweight and nonconductive plastic head and chemical-resistant 18-8 stainless steel threads. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.
Optional threaded inserts can be used to install these thumb screws into existing holes.
For technical drawings and 3-D models, click on a part number.
Thumb Screws
Thumb Screws
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Tip Dia. | Dia. | Ht. | Max. Temperature, °F | Color | Tensile Strength, psi | Each | |
18-8 Stainless Steel | ||||||||
3/16"-100 | ||||||||
| 3/4" | 1/8" | 3/8" | 7/16" | 180° | Black | 60,000 | 000000000 | 000000 |
| 1" | 1/8" | 3/8" | 7/16" | 180° | Black | 60,000 | 000000000 | 00000 |
| 1 1/4" | 1/8" | 3/8" | 7/16" | 180° | Black | 60,000 | 000000000 | 00000 |
| 1 1/2" | 1/8" | 3/8" | 7/16" | 180° | Black | 60,000 | 000000000 | 00000 |
| 1 3/4" | 1/8" | 3/8" | 7/16" | 180° | Black | 60,000 | 000000000 | 00000 |
1/4"-80 | ||||||||
| 3/4" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 00000 |
| 1" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 0000 |
| 1 1/4" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 0000 |
| 1 1/2" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 0000 |
| 2" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 00000 |
| 3" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 00000 |
| 3 1/2" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 00000 |
Optional Threaded Inserts
Threaded Inserts
Flange | ||||||
|---|---|---|---|---|---|---|
| Installed Lg. | Dia. | Thick. | For Max. Hole Dia. | Drill Bit Size | Each | |
Brass | ||||||
3/16"-100 | ||||||
| 5/16" | 0.29" | 0.01" | 1/4" | 1/4" | 000000000 | 00000 |
| 7/16" | 0.29" | 0.01" | 1/4" | 1/4" | 000000000 | 0000 |
| 5/8" | 0.29" | 0.01" | 1/4" | 1/4" | 000000000 | 0000 |
| 3/4" | 0.29" | 0.01" | 1/4" | 1/4" | 000000000 | 0000 |
1/4"-80 | ||||||
| 5/16" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
| 7/16" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
| 5/8" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
| 3/4" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
Threaded-Stud Precise-Control Knobs
Knurled
Six Arm
Mount these knobs into a threaded hole. Turn the knob to move the stud 0.005" per graduation and make precise adjustments. Secure with the included locknut. Made of plastic, these knobs resist oil, grease, and solvents.
For technical drawings and 3-D models, click on a part number.