Inch Size, Aluminum Extruded
Four-Prong Clamping Knobs
Tapped, Tapped Through Hole, Blind Bore or Blank Types

CKS
CKS
RoHS Compliant

 

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Specification
Hand knob: Solid aluminum extrusion 6063-T5
Etched and clear anodized finish
Blind bore tolerance: +.001/-.003

Information
Lightweight yet long-lasting, these four-prong hand knobs made from a durable aluminum extrusion are an economical choice for a variety of equipment applications.
Other modifications such as cross holes and set screw holes are available upon request.

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 Tapped Table

Dimensions in:

inches
(millimeters)

Part Number
A
E
Thread
B
C
D
1.0
(25.4)
1/4-20
.88
(22.2)
.50
(12.7)
.50
(12.7)
1.5
(38.1)
5/16-18
.88
(22.2)
.63
(15.9)
.38
(9.5)
2.0
(50.8)
3/8-16
1.00
(25.4)
.81
(20.6)
.50
(12.7)
2.5
(63.5)
1/2-13
1.13
(28.6)
1.00
(25.4)
.56
(14.3)
3.0
(76.2)
5/8-11
1.25
(31.8)
1.25
(31.8)
.63
(15.9)


 
Tapped Through Hole Table

Part Number
A
E
Thread
B
C
D
1.0
(25.4)
1/4-20
.88
(22.2)
.50
(12.7)
.50
(12.7)
1.5
(38.1)
5/16-18
.88
(22.2)
.63
(15.9)
.38
(9.5)
2.0
(50.8)
3/8-16
1.00
(25.4)
.81
(20.6)
.50
(12.7)
2.5
(63.5)
1/2-13
1.13
(28.6)
1.00
(25.4)
.56
(14.3)
3.0
(76.2)
5/8-11
1.25
(31.8)
1.25
(31.8)
.63
(15.9)

 
Blind Bore Hole Table
Part Number
A
E
B
C
D
1.0
(25.4)
.250
(6.4)
.88
(22.2)
.50
(12.7)
.50
(12.7)
1.5
(38.1)
.313
(7.9)
.88
(22.2)
.63
(15.9)
.38
(9.5)
2.0
(50.8)
.375
(9.5)
1.00
(25.4)
.81
(20.6)
.50
(12.7)
2.5
(63.5)
.500
(12.7)
1.13
(28.6)
1.00
(25.4)
.56
(14.3)
3.0
(76.2)
.625
(15.9)
1.25
(31.8)
1.25
(31.8)
.63
(15.9)

 
Blank Table
Part Number
A
E
B
C
D
1.0
(25.4)
Blank
.88
(22.2)
.50
(12.7)
.50
(12.7)
1.5
(38.1)
Blank
.88
(22.2)
.63
(15.9)
.38
(9.5)
2.0
(50.8)
Blank
1.00
(25.4)
.81
(20.6)
.50
(12.7)
2.5
(63.5)
Blank
1.13
(28.6)
1.00
(25.4)
.56
(14.3)
3.0
(76.2)
Blank
1.25
(31.8)
1.25
(31.8)
.63
(15.9)