JBF National’s 3 arm hand knob (also known as a clamping knob) is manufactured from an ultra Soft Touch Thermoplastic Elastomer material over top a high quality polypropylene reinforced base knob, to ensure ultimate durability and operator grip comfort. This hand knob features a brass tapped insert with zinc plating for added durability and corrosion resistance. Please see component diagram below.
JBF National Part Number | A | B | C | D | d2 | t |
---|---|---|---|---|---|---|
1STHK-1555 | 1.18 | 0.65 | 0.5 | 0.15 | 0.31 | 1/4-20 |