Phenolic 4 Lobe Knob - Stud
JBF National’s phenolic 4 lobe studded hand knob, (also known as a clamping knob) comes in a wide variety of stud sizes to suit all purposes. The 4 lobe design ensures positive palm grip. The lack of mold lines, combined with the smooth edges of its phenolic grip means complete operator hand comfort for years to come. Please see component diagram below.
| JBF National Part Number | A | B | C | D | t | L |
|---|---|---|---|---|---|---|
| 1PLK-1367 | 1 | 0.63 | 0.51 | 0.35 | 10-32 | 0.5 |
| 1PLK-1368 | 1 | 0.63 | 0.51 | 0.35 | 10-24 | 0.5 |
| 1PLK-1369 | 1 | 0.63 | 0.51 | 0.35 | 1/4-20 | 0.5 |
| 2PLK-1370 | 1.25 | 0.79 | 0.67 | 0.47 | 10-32 | 0.75 |
| 2PLK-1371 | 1.25 | 0.79 | 0.67 | 0.47 | 1/4-20 | 0.75 |
| 2PLK-1372 | 1.25 | 0.79 | 0.67 | 0.47 | 5/16-18 | 0.5 |
| 2PLK-1373 | 1.25 | 0.79 | 0.67 | 0.47 | 5/16-18 | 0.75 |
| 3PLK-1374 | 1.5 | 1.02 | 0.83 | 0.59 | 1/4-20 | 0.5 |
| 3PLK-1375 | 1.5 | 1.02 | 0.83 | 0.59 | 1/4-20 | 1 |
| 3PLK-1376 | 1.5 | 1.02 | 0.83 | 0.59 | 5/16-18 | 0.5 |
| 3PLK-1377 | 1.5 | 1.02 | 0.83 | 0.59 | 5/16-18 | 1 |
| 4PLK-1378 | 2 | 1.26 | 1.02 | 0.75 | 1/4-20 | 1 |
| 4PLK-1379 | 2 | 1.26 | 1.02 | 0.75 | 5/16-18 | 0.5 |
| 4PLK-1380 | 2 | 1.26 | 1.02 | 0.75 | 5/16-18 | 1 |
| 4PLK-1381 | 2 | 1.26 | 1.02 | 0.75 | 3/8-16 | 0.75 |
| 4PLK-1382 | 2 | 1.26 | 1.02 | 0.75 | 3/8-16 | 1 |
| 4PLK-1383 | 2 | 1.26 | 1.02 | 0.75 | 3/8-16 | 1.5 |
| 4PLK-1384 | 2 | 1.26 | 1.02 | 0.75 | 3/8-16 | 2 |
| 4PLK-1385 | 2 | 1.26 | 1.02 | 0.75 | 1/2-13 | 0.75 |
| 4PLK-1386 | 2 | 1.26 | 1.02 | 0.75 | 1/2-13 | 2 |
| 5PLK-1387 | 2.5 | 1.58 | 1.3 | 0.95 | 5/16-18 | 1 |
| 5PLK-1388 | 2.5 | 1.58 | 1.3 | 0.95 | 3/8-16 | 1 |
| 5PLK-1389 | 2.5 | 1.58 | 1.3 | 0.95 | 1/2-13 | 1 |