DIAMOND
20
20B
20CS
20CSB
Cutting Range
Max. Machining Diameter 0.78” 0.78” 0.78” 0.78”
Max. Machining Length
(per chucking)		 9.8” 9.8” 9.8” 9.8”
Max Drilling Diameter 25/64” (10mm)  with ER16 25/64” (10mm)  with ER16 25/64” (10mm)  with ER16 25/64” (10mm)  with ER16
Max Tapping Diameter M8 M8 M8 M8
OD Turning Tools
Number of Tools Max. 6 6 6 6
Tool Size .39" x .39" x 3.94" .39" x .39" x 3.94" .39" x .39" x 3.94" .39" x .39" x 3.94"
Front ID Stationary Tools
Number Tools Max. 4 4 4 4
Tool Size ----25/64” or 10mm (ER16) 25/64” or 10mm (ER16) 25/64” or 10mm (ER16) 25/64” or 10mm (ER16)
Cross Slide Driven Tools
Number Tools Max. - - 6 6
Tool Size - - 25/64” or 10mm (ER 16) 25/64” or 10mm (ER 16)
Max RPM - - 200-6000 200-6000
Front Driven Tools
Number Tools Max. - - 3 3
Number of Angular Position Driven Tools (optional) - - - -
Tool Size
-
-
25/64” or 10mm (ER16)
25/64” or 10mm (ER16)
Max Tool RPM
-
-
3000
3000
Back ID Stationary Tools
Number Tools Max.  - 4 - 4
Tool Size - 25/64” or 10mm (ER 16) - 25/64” or 10mm (ER 16)
Back Driven Tools
Number Tools Max. - - - 3
Tool Size - - - 17/64” or 7mm (ER 11)
Max Tool RPM - - - 3000
Main Spindle 
ID 0.78” 0.78” 0.78” 0.78”
RPM 20 -10,000 20 - 10,000 20 - 10,000 20 - 10,000
Back Spindle
ID - 0.78” - 0.78”
RPM - 7500 - 7500
Max. Length for Front Ejection - 8.6” - 8.6”
Rapid Traverse 709 IPM 709 IPM 709 IPM 709 IPM
Motor Size
Main Spindle Motor 5 HP 5 HP 5 HP 5 HP
Back Spindle Motor - 2 HP - 2 HP
X / Y / Z Servo Motor 0.67 HP 0.67 HP 0.67 HP 0.67 HP
X1, Z1 Axis - - - -
X2, Z2 Axis - - - -
Y1 axis - - - -
Coolant Pump 0.24 HP 0.24 HP 0.24 HP 0.24 HP
Lubrication Pump 4W 4W 4W 4W
Driven tool Spindle - - 0.74 HP 0.74 HP
Power Requirement 4.4 KW 5KW 5KW 5.5 KW
Machine Size
Spindle Center Height 37.8” 37.8” 37.8” 37.8”
Weight 4740  lbs 5842 lbs 4780 lbs 5882 lbs
Machine Dimension 63” x 39” x 62” 70” x 39” x 62”

63” x 39” x 62”

 70” x 39” x 62”
Pneumatic
Air Pressure 71 psi 71 psi 71 psi 71 psi
Air Capacity 2.64 gal/min 2.64 gal/min 2.64 gal/min 2.64 gal/min
*Design and specifications are subject to change without prior notice
CLICK HERE for Diamond Overall Model Guide

Cubic Machinery Inc.
13401 Benson Ave. Chino, Ca 91710
TEL: 909-590-9995 FAX: 909-590-9996