Phenolic Ball Knob

Phenolic Ball Knob - Seamless
Phenolic Ball Knob - Seamless
Phenolic Ball Knob - Seamless

JBF National’s phenolic ball knob comes with a high quality brass insert, and due to the high gloss finish and lack of mold lines, this phenolic knob ensures the operator’s continued palm comfort. Available in inch and metric thread sizes. Please see component diagram below.

JBF National Part Number / InchABCd2t
1PBKI-14330.750.720.460.3710-32
1PBKI-14340.750.720.460.3710-24
1PBKI-14350.750.720.460.371/4-20
2PBKI-143610.910.560.3710-32
2PBKI-143710.910.560.3710-24
2PBKI-143810.910.560.371/4-28
2PBKI-143910.910.560.371/4-20
2PBKI-144010.910.560.55/16-24
2PBKI-144110.910.560.55/16-18
2PBKI-144210.910.560.53/8-24
2PBKI-144310.910.560.53/8-16
3PBKI-14441.251.180.630.371/4-20
3PBKI-14451.251.180.630.55/16-18
4PBKI-14461.371.380.630.371/4-20
4PBKI-14471.371.380.630.55/16-24
4PBKI-14481.371.380.630.55/16-18
4PBKI-14491.371.380.630.53/8-24
4PBKI-14501.371.380.630.53/8-16
4PBKI-14511.371.380.630.757/16-20
4PBKI-14521.371.380.630.751/2-20
5PBKI-14531.751.70.630.53/8-16
6PBKI-145421.831.040.753/8-16
JBF National Part Number / MetricABCd2t
1PBKI-145525231413.5M6 x 1.00
1PBKI-145625231416M8 x 1.25
1PBKI-145725231416M10 x 1.50
2PBKI-145832351616M8 x 1.25
3PBKI-145936351616M8 x 1.25
3PBKI-146036351621M10 x 1.50
3PBKI-146136351625M12 x 1.75
4PBKI-14625046.52625M12 x 1.75
4PBKI-14635046.52625M16 x 2.00