JBF National’s 5 lobe studded hand knob (also known as a clamping knob) comes 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. Hand knob features a molded in zinc plated steel stud for added durability and corrosion resistance. Please see component diagram below.
JBF National Part Number | A | B | C | D | t | L |
---|---|---|---|---|---|---|
1STHK-1556 | 1.38" | 1.09" | .68" | 0.23 | 1/4-20 | 1/2" |
2STHK-1557 | 2.26" | 1.09" | 1.25" | 0.16 | 5/16-18 | 1 1/2" |