Aluminum Hand Knob - Studded 4 Lobe

Aluminum Hand Knob - Studded 4 Lobe

This 4 lobbed studded aluminum hand knob from JBF National is manufactured from the highest quality aluminum, and is designed to meet the requirements of even the most demanding industrial applications. The 4 lobe design of this hand knob (also known as a clamping knob) ensures positive palm and finger grip, each and every time. Inch and metric versions available.  Please see component diagram below.

JBF National Part Number / InchThread SizeKnob Dia (A)Total Length (B)Hub Dia CHub Length (D)Stud Length (E)Ship Wt (lbs)
1HKA-10001/4-201 1/22 5/85/83/81 3/4.06
1HKA-10011/4-201 1/23 7/85/83/83.08
2HKA-10025/16-1822 3/413/161/21 3/4.12
2HKA-10035/16-182413/161/23.14
3HKA-10043/8-162 1/22 7/819/161 3/4.18
3HKA-10053/8-162 1/24 1/819/163.20
3HKA-10061/2-132 1/22 7/819/161 3/4.22
3HKA-10071/2-132 1/24 1/819/163.28
4HKA-10085/8-11331 1/45/81 3/4.39
4HKA-10095/8-1134 1/41 1/45/83.44
JBF National Part Number / MetricThread SizeKnob Dia (A)Total Length (B)Hub Dia CHub Length (D)Stud Length (E)Ship Wt (lbs)
1HKA-1030M638671610450.06
1HKA-1031M638981610760.08
2HKA-1032M851702113450.12
2HKA-1033M8511022113760.14
3HKA-1034M1064732514450.18
3HKA-1035M10641052514760.2
3HKA-1036M1264732514450.22
3HKA-1037M12641052514760.28
4HKA-1038M1676763216450.39
4HKA-1039M16761083216760.44