Soft Touch - Ball Knob
JBF National’s soft touch ball knob is manufactured from the highest quality Chloroprene Rubber to ensure ultimate durability and operator grip comfort. This ball knob features a molded brass insert for maximum durability. Please see component diagram below.
| JBF National Part Number | A | B | C | d2 | t |
|---|---|---|---|---|---|
| 1BKST-1547 | 0.75 | 0.72 | 0.46 | 0.37 | 10-32 |
| 1BKST-1548 | 0.75 | 0.72 | 0.46 | 0.37 | 1/4-20 |
| 2BKST-1549 | 1 | 0.91 | 0.56 | 0.37 | 1/4-20 |
| 2BKST-1550 | 1 | 0.91 | 0.56 | 0.5 | 5/16-18 |
| 3BKST-1551 | 1.25 | 1.18 | 0.63 | 0.5 | 5/16-18 |
| 4BKST-1552 | 1.37 | 1.38 | 0.63 | 0.5 | 3/8-16 |
| 5BKST-1553 | 1.5 | 1.48 | 0.81 | 0.63 | 3/8-16 |
| 6BKST-1554 | 2 | 1.83 | 1.04 | 0.75 | 1/2-13 |