Material Material | Show |
---|
Thread Size Thread Size |
---|
Mount Type Mount Type |
---|
![]() | ![]() |
Threaded Hole | Threaded Stud |
![]() | ![]() |
Screw | Create-Your- Own Hole |
RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
---|
|
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
---|
|
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
---|
Thread Direction Thread Direction |
---|
Stud Material Stud Material |
---|
|
Hole Shape Hole Shape |
---|
![]() | Round |
Set Screw Included Set Screw Included |
---|
|
Threaded Through-Hole Knobs


Long shafts can thread through these knobs for mounting versatility. The knobs provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Brass knobs have good corrosion resistance and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Thread | Head | Hub | Each | |||||
---|---|---|---|---|---|---|---|---|
Size | Dp. | Dia. | Ht. | Dia. | Ht. | 1-9 | 10-Up | |
Style 1—Knurled Grip | ||||||||
Brass | ||||||||
1/4"-20 | 5/8" | 3/4" | 1/4" | 1/2" | 3/8" | 0000000 | 00000 | 00000 |
1/4"-20 | 3/4" | 1" | 1/4" | 5/8" | 1/2" | 0000000 | 0000 | 0000 |
5/16"-18 | 3/4" | 1" | 1/4" | 5/8" | 1/2" | 0000000 | 0000 | 0000 |
5/16"-18 | 1" | 1 1/2" | 5/16" | 3/4" | 11/16" | 0000000 | 00000 | 00000 |
3/8"-16 | 1" | 1 1/2" | 5/16" | 3/4" | 11/16" | 0000000 | 00000 | 00000 |
1/2"-13 | 1 1/8" | 2" | 3/8" | 1" | 3/4" | 0000000 | 00000 | 00000 |
Style 4—Four Arm Grip | ||||||||
Brass | ||||||||
1/4"-20 | 7/8" | 1" | 3/8" | 1/2" | 1/2" | 0000000 | 00000 | 0000 |
5/16"-18 | 3/4" | 1 1/2" | 3/8" | 5/8" | 3/8" | 0000000 | 00000 | 00000 |
3/8"-16 | 1" | 2" | 1/2" | 13/16" | 1/2" | 0000000 | 00000 | 00000 |
1/2"-13 | 1 1/8" | 2 1/2" | 9/16" | 1" | 9/16" | 0000000 | 00000 | 00000 |
Threaded-Stud Knobs


Mount these knobs into a threaded hole. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Brass knobs have good corrosion resistance and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Head | Hub | Each | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Thread Pitch | Stud Lg. | Dia. | Ht. | Dia. | Ht. | Stud Material | 1-9 | 10-Up | |
Style 1—Knurled Grip | ||||||||||
Brass | ||||||||||
10-24 | __ | 1" | 3/4" | 1/4" | 1/2" | 3/8" | Stainless Steel | 0000000 | 00000 | 00000 |
1/4"-20 | __ | 1 1/4" | 3/4" | 1/4" | 1/2" | 3/8" | Stainless Steel | 0000000 | 0000 | 0000 |
1/4"-20 | __ | 1 3/4" | 1" | 1/4" | 5/8" | 1/2" | Stainless Steel | 0000000 | 00000 | 00000 |
1/4"-28 | __ | 1 3/4" | 1" | 1/4" | 5/8" | 1/2" | Stainless Steel | 0000000 | 00000 | 00000 |
5/16"-18 | __ | 3" | 1" | 1/4" | 5/8" | 1/2" | Stainless Steel | 0000000 | 00000 | 00000 |
5/16"-18 | __ | 3" | 1 1/2" | 5/16" | 3/4" | 11/16" | Stainless Steel | 0000000 | 00000 | 00000 |
5/16"-24 | __ | 1 3/4" | 1 1/2" | 5/16" | 3/4" | 11/16" | Stainless Steel | 0000000 | 00000 | 00000 |
3/8"-16 | __ | 1 3/4" | 1 1/2" | 5/16" | 3/4" | 11/16" | Stainless Steel | 0000000 | 00000 | 00000 |
3/8"-16 | __ | 3" | 1 1/2" | 5/16" | 3/4" | 11/16" | Stainless Steel | 0000000 | 00000 | 00000 |
3/8"-24 | __ | 1 3/4" | 2" | 3/8" | 1" | 3/4" | Stainless Steel | 0000000 | 00000 | 00000 |
1/2"-13 | __ | 1 3/4" | 2" | 3/8" | 1" | 3/4" | Stainless Steel | 0000000 | 00000 | 00000 |
M5 | 0.8mm | 25mm | 19mm | 6mm | 13mm | 10mm | Stainless Steel | 0000000 | 0000 | 0000 |
M6 | 1mm | 44mm | 25mm | 6mm | 16mm | 13mm | Stainless Steel | 0000000 | 00000 | 00000 |
M8 | 1.25mm | 76mm | 38mm | 8mm | 19mm | 17mm | Stainless Steel | 0000000 | 00000 | 00000 |
M10 | 1.5mm | 44mm | 51mm | 10mm | 25mm | 19mm | Stainless Steel | 0000000 | 00000 | 00000 |
M12 | 1.75mm | 44mm | 51mm | 10mm | 25mm | 19mm | Stainless Steel | 0000000 | 00000 | 00000 |
Style 14—Four Arm Grip | ||||||||||
Brass | ||||||||||
1/4"-20 | __ | 1 3/4" | 1 1/2" | 1/2" | 5/8" | 3/8" | Stainless Steel | 0000000 | 00000 | 00000 |
5/16"-18 | __ | 1 3/4" | 2" | 1/2" | 13/16" | 1/2" | Stainless Steel | 0000000 | 00000 | 00000 |
3/8"-16 | __ | 1 3/4" | 2 1/2" | 9/16" | 1" | 9/16" | Stainless Steel | 0000000 | 00000 | 00000 |
3/8"-16 | __ | 3" | 2 1/2" | 9/16" | 1" | 9/16" | Stainless Steel | 0000000 | 00000 | 00000 |
1/2"-13 | __ | 1 3/4" | 2 1/2" | 9/16" | 1" | 9/16" | Stainless Steel | 0000000 | 00000 | 00000 |
1/2"-13 | __ | 3" | 2 1/2" | 9/16" | 1" | 9/16" | Stainless Steel | 0000000 | 00000 | 00000 |
M6 | 1mm | 44mm | 38mm | 13mm | 16mm | 10mm | Stainless Steel | 0000000 | 00000 | 00000 |
M8 | 1.25mm | 44mm | 51mm | 13mm | 21mm | 13mm | Stainless Steel | 0000000 | 00000 | 00000 |
M10 | 1.5mm | 44mm | 64mm | 14mm | 25mm | 14mm | Stainless Steel | 0000000 | 00000 | 00000 |
M10 | 1.5mm | 76mm | 64mm | 14mm | 25mm | 14mm | Stainless Steel | 0000000 | 00000 | 00000 |
M12 | 1.75mm | 44mm | 64mm | 14mm | 25mm | 14mm | Stainless Steel | 0000000 | 00000 | 00000 |
M12 | 1.75mm | 76mm | 64mm | 14mm | 25mm | 14mm | Stainless Steel | 0000000 | 00000 | 00000 |
Unthreaded-Hole Knobs

Tap custom threads or secure with a set screw to provide a firm grip to position, tighten, and hold fixtures, equipment, and machinery.
Brass knobs have good corrosion resistance and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Threaded-Hole Knobs


Install these knobs on a threaded stud. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Brass knobs have good corrosion resistance and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Thread | Head | Hub | Each | ||||||
---|---|---|---|---|---|---|---|---|---|
Size | Pitch | Dp. | Dia. | Ht. | Dia. | Ht. | 1-9 | 10-Up | |
Style 1—Knurled Grip | |||||||||
Brass | |||||||||
10-24 | __ | 3/8" | 3/4" | 1/4" | 1/2" | 3/8" | 0000000 | 00000 | 00000 |
1/4"-20 | __ | 1/2" | 1" | 1/4" | 5/8" | 1/2" | 0000000 | 0000 | 0000 |
1/4"-28 | __ | 1/2" | 1" | 1/4" | 5/8" | 1/2" | 0000000 | 0000 | 0000 |
5/16"-18 | __ | 1/2" | 1" | 1/4" | 5/8" | 1/2" | 0000000 | 0000 | 0000 |
5/16"-24 | __ | 5/8" | 1 1/2" | 5/16" | 3/4" | 11/16" | 0000000 | 00000 | 00000 |
3/8"-16 | __ | 5/8" | 2" | 3/8" | 1" | 3/4" | 0000000 | 00000 | 00000 |
3/8"-24 | __ | 5/8" | 2" | 3/8" | 1" | 3/4" | 0000000 | 00000 | 00000 |
1/2"-13 | __ | 5/8" | 2" | 3/8" | 1" | 3/4" | 0000000 | 00000 | 00000 |
M5 | 0.8mm | 10mm | 19mm | 6mm | 13mm | 10mm | 0000000 | 0000 | 0000 |
M6 | 1mm | 13mm | 25mm | 6mm | 16mm | 13mm | 0000000 | 0000 | 0000 |
M8 | 1.25mm | 16mm | 38mm | 8mm | 19mm | 17mm | 0000000 | 00000 | 00000 |
Style 21—Four Arm Grip | |||||||||
Brass | |||||||||
1/4"-20 | __ | 1/2" | 1" | 3/8" | 1/2" | 1/2" | 0000000 | 00000 | 0000 |
5/16"-18 | __ | 9/16" | 1 1/2" | 3/8" | 5/8" | 3/8" | 0000000 | 00000 | 00000 |
3/8"-16 | __ | 5/8" | 2" | 1/2" | 13/16" | 1/2" | 0000000 | 00000 | 00000 |
1/2"-13 | __ | 5/8" | 2 1/2" | 9/16" | 1" | 9/16" | 0000000 | 00000 | 00000 |
M6 | 1mm | 13mm | 25mm | 10mm | 13mm | 13mm | 0000000 | 00000 | 0000 |
M8 | 1.25mm | 13mm | 38mm | 10mm | 16mm | 10mm | 0000000 | 00000 | 00000 |
M10 | 1.5mm | 13mm | 51mm | 13mm | 21mm | 13mm | 0000000 | 00000 | 00000 |
M12 | 1.75mm | 14mm | 64mm | 14mm | 25mm | 14mm | 0000000 | 00000 | 00000 |
Machinable-Hub Knobs


Mill specific holes or keyways in the hub to meet your specifications, or weld in place. These knobs provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.
Brass knobs have good corrosion resistance and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Head | Hub | Each | ||||
---|---|---|---|---|---|---|
Dia. | Ht. | Dia. | Ht. | 1-9 | 10-Up | |
Style 1—Knurled Grip | ||||||
Brass | ||||||
3/4" | 1/4" | 1/2" | 3/8" | 0000000 | 00000 | 00000 |
1" | 1/4" | 5/8" | 1/2" | 0000000 | 0000 | 0000 |
1 1/2" | 5/16" | 3/4" | 11/16" | 0000000 | 00000 | 00000 |
2" | 3/8" | 1" | 3/4" | 0000000 | 00000 | 00000 |
Style 3—Four Arm Grip | ||||||
Brass | ||||||
1" | 3/8" | 1/2" | 1/2" | 0000000 | 0000 | 0000 |
1 1/2" | 1/2" | 5/8" | 3/8" | 0000000 | 00000 | 00000 |
2" | 1/2" | 13/16" | 1/2" | 0000000 | 00000 | 00000 |
2 1/2" | 9/16" | 1" | 9/16" | 0000000 | 00000 | 00000 |
Threaded-Hole Ball Knobs

Install these traditional, easy-to-grip ball knobs on a threaded stud. They're good for control levers and push-pull rods.
Brass knobs have good corrosion resistance and are nonmagnetic.
For technical drawings and 3-D models, click on a part number.
Thread | Each | ||||
---|---|---|---|---|---|
Size | Dp. | Head Dia. | 1-9 | 10-Up | |
Style 1 | |||||
Brass | |||||
10-24 | 3/8" | 3/4" | 00000000 | 00000 | 00000 |
10-32 | 3/8" | 3/4" | 00000000 | 0000 | 0000 |
10-32 | 3/8" | 1" | 00000000 | 0000 | 0000 |
1/4"-20 | 1/2" | 1" | 00000000 | 0000 | 0000 |
1/4"-20 | 5/8" | 1 3/8" | 00000000 | 00000 | 00000 |
1/4"-28 | 1/2" | 1" | 00000000 | 0000 | 0000 |
5/16"-18 | 1/2" | 1" | 00000000 | 0000 | 0000 |
5/16"-18 | 5/8" | 1 3/8" | 00000000 | 00000 | 00000 |
5/16"-24 | 1/2" | 1" | 00000000 | 0000 | 0000 |
5/16"-24 | 5/8" | 1 3/8" | 00000000 | 00000 | 00000 |
3/8"-16 | 1/2" | 1" | 00000000 | 0000 | 0000 |
3/8"-16 | 5/8" | 1 3/8" | 00000000 | 00000 | 00000 |
3/8"-16 | 3/4" | 1 7/8" | 00000000 | 00000 | 00000 |
3/8"-24 | 5/8" | 1 3/8" | 00000000 | 00000 | 00000 |
3/8"-24 | 3/4" | 1 7/8" | 00000000 | 00000 | 00000 |
7/16"-20 | 5/8" | 1 3/8" | 00000000 | 00000 | 00000 |
1/2"-13 | 5/8" | 1 3/8" | 00000000 | 00000 | 00000 |
1/2"-13 | 3/4" | 1 7/8" | 00000000 | 00000 | 00000 |
1/2"-20 | 5/8" | 1 3/8" | 00000000 | 00000 | 00000 |
5/8"-11 | 3/4" | 1 7/8" | 00000000 | 00000 | 00000 |
5/8"-18 | 3/4" | 1 7/8" | 00000000 | 00000 | 00000 |