T Knob, Thread Size (In.) 1/4-20, Dia. (In.) 2-1/2 In., Tap Type (In.) Blind, Base Dia. (In.) 3/4, Knob Type Clamp Knob, Style Bar, Material GP Phenolic, Finish High Gloss, Standards H. H. Brass, Height (In.) 1.156, Length (In.) 1.16 In., Overall Height 1.156, Overall Length 1.16 In., Thread Type Course, Type 0.38 In., Width -30 to 400 F
- Polypropylene knobs are heat resistant to 225 F Phenolic knobs are heat resistant to 450 F
- For moderate to heavy torque applications. Impact and scratch-resistant black polypropylene knobs have steel zinc insert and satin finish. Heat-resistant phenolic knobs have brass insert or steel, zinc-plated screw.