FEATURES: Large easy-grip phenolic knob that is excellent for either fine-adjustment or high-torque applications. Molded-in brass insert provides superior thread strength.
SIZES: Choice of four knob sizes. Available in the three configurations shown: tapped, tapped through hole, and tapped with short hub. Available with tapped-hole sizes from #10-32 to 5/8-11 (M6 to M12 in metric)– see Dimensions page for part numbers, and Size Comparison page for a group photo of all sizes. Non-standard thread sizes, reamed holes, molded-in studs, or special colors are available in quantities of 250 and above.
MATERIAL: Black phenolic plastic (glossy smooth finish, extremely hard, electrical insulator, operating temperatures to 300°F, resistant to oils and most common chemicals). Molded-in brass insert.