Aluminum Hand Knob - Tapped 4 Lobe
This 4 lobbed aluminum hand knob is manufactured from the highest quality aluminum, and is designed to meet the requirements of even the most demanding industrial applications. The 4 lobe design of this hand knob (also known as a clamping knob) ensures positive palm and finger grip, each and every time. Available in a clear anodized finish, and features a blank hub with centering spot. Contact one of our sales engineers concerning specialty bores, taps and set screws. Inch and metric versions available. Please see component diagram below.
| JBF National Part Number / Inch | Thread | Reamed Dia | "A" | "B" | "C" | "D" |
|---|---|---|---|---|---|---|
| 1HKA-1010 | - | Solid | 1" | 7/8" | 1/2" | 1/2" |
| 1HKA-1011 | 1/4-20 Tapped | - | 1" | 7/8" | 1/2" | 1/2" |
| 1HKA-1012 | 1/4-20 Tapped Through | - | 1" | 7/8" | 1/2" | 1/2" |
| 1HKA-1013 | - | 1/4" | 1" | 7/8" | 1/2" | 1/2" |
| 2HKA-1014 | - | Solid | 1 1/2" | 7/8" | 5/8" | 3/8" |
| 2HKA-1015 | 5/16-18 Tapped | - | 1 1/2" | 7/8" | 5/8" | 3/8" |
| 2HKA-1016 | 5/16-18 Tapped Through | - | 1 1/2" | 7/8" | 5/8" | 3/8" |
| 2HKA-1017 | - | 5/16" | 1 1/2" | 7/8" | 5/8" | 3/8" |
| 3HKA-1018 | - | Solid | 2" | 1" | 13/16" | 1/2" |
| 3HKA-1019 | 3/8-16 Tapped | - | 2" | 1" | 13/16" | 1/2" |
| 3HKA-1020 | 3/8-16 Tapped Through | - | 2" | 1" | 13/16" | 1/2" |
| 3HKA-1021 | - | 3/8" | 2" | 1" | 13/16" | 1/2" |
| 4HKA-1022 | - | Solid | 2 1/2" | 1 1/8" | 1" | 9/16" |
| 4HKA-1023 | 1/2-13 Tapped | - | 2 1/2" | 1 1/8" | 1" | 9/16" |
| 4HKA-1024 | 1/2-13 Tapped Through | - | 2 1/2" | 1 1/8" | 1" | 9/16" |
| 4HKA-1025 | - | 1/2" | 2 1/2" | 1 1/8" | 1" | 9/16" |
| 5HKA-1026 | - | Solid | 3" | 1 1/4" | 1 1/4" | 5/8" |
| 5HKA-1027 | 5/8-11 Tapped | - | 3" | 1 1/4" | 1 1/4" | 5/8" |
| 5HKA-1028 | 5/8-11 Tapped Through | - | 3" | 1 1/4" | 1 1/4" | 5/8" |
| 5HKA-1029 | 5/8" | 3" | 1 1/4" | 1 1/4" | 5/8" |
| JBF National Part Number / Metric | Thread | Reamed Dia | "A" | "B" | "C" | "D" | Ship Wt (lbs) |
|---|---|---|---|---|---|---|---|
| 1HKA-1040 | - | Solid | 25 | 22 | 13 | 13 | 0.02 |
| 1HKA-1041 | M6 Tapped | - | 25 | 22 | 13 | 13 | 0.02 |
| 1HKA-1042 | M6 Tapped Through | - | 25 | 22 | 13 | 13 | 0.02 |
| 1HKA-1043 | - | 6 | 25 | 22 | 13 | 13 | 0.02 |
| 2HKA-1044 | - | Solid | 38 | 22 | 16 | 10 | 0.05 |
| 2HKA-1045 | M8 Tapped | - | 38 | 22 | 16 | 10 | 0.05 |
| 2HKA-1046 | M8 Tapped Through | - | 38 | 22 | 16 | 10 | 0.05 |
| 2HKA-1047 | - | 8 | 38 | 22 | 16 | 10 | 0.05 |
| 3HKA-1048 | - | Solid | 51 | 25 | 30 | 13 | 0.08 |
| 3HKA-1049 | M10 Tapped | - | 51 | 25 | 30 | 13 | 0.08 |
| 3HKA-1050 | M10 Tapped Through | - | 51 | 25 | 30 | 13 | 0.08 |
| 3HKA-1051 | - | 10 | 51 | 25 | 30 | 13 | 0.08 |
| 4HKA-1052 | - | Solid | 64 | 29 | 25 | 14 | 0.14 |
| 4HKA-1053 | M12 Tapped | - | 64 | 29 | 25 | 14 | 0.14 |
| 4HKA-1054 | M12 Tapped Through | - | 64 | 29 | 25 | 14 | 0.14 |
| 4HKA-1055 | - | 12 | 64 | 29 | 25 | 14 | 0.14 |
| 5HKA-1056 | - | Solid | 76 | 32 | 32 | 16 | 0.22 |
| 5HKA-1057 | M16 Tapped | - | 76 | 32 | 32 | 16 | 0.22 |
| 5HKA-1058 | M16 Tapped Through | - | 76 | 32 | 32 | 16 | 0.22 |
| 5HKA-1059 | - | 16 | 76 | 32 | 32 | 16 | 0.22 |