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CBM21 Line Boring Machine
The Gold Standard Since 1921.
Model CMB 21
Stock Number 2-1/2HP, 1 Ph, 230V 1791302
Distance between centers 32mm
Spindle Speed 3450 RPM
Number of Spindles (21) 11-R, 10-L
Depth of Stroke 3-1/8”
Table Surface (WxL/in): 17-1/4” x 35”
Boring Head Adjustment 0 to 90 degrees
Quick Change Collet Size 10mm
Table Height 34”
Number of depth stops 6
Length of backfence (4 stops) 60”
Air Pressure Required PSI 90
Motor (TEFC): 2HP, 1 Ph, 230V
Overall Dimension (H x L x W) 48” x 49” x 31”
Weight Gross/Net Lbs. 841/682 lbs.
WMH TOOL GROUP
Industrial Woodworking Machinery Division
LaVergne, TN USA
1-800-248-0144
www.powermatic.com
Powermatic’s CBM automatic 21 Spindle single row
construction drill is designed for fast, safe, and reliable
32mm drilling in both the horizontal and vertical positions.
Depth of drilling is controlled by a six-position turret
depth stop. The foot pedal controller can quickly and
conveniently accomplish the entire drilling cycle.
FEATURES
• 2HP, 230V, 1 Phase Motor
• Bottom to top drilling
• 21 spindle gear driven drill head
• 32mm spindle centers
• 11 right hand and 10 left hand spindles
• 10mm quick change spindle collets
• 3450 RPM spindles
• Pneumatic boring tilting head
• 60” adjustable backfence with 4 stops
• 0” – 3-1/8” drilling depth stroke
• Six position depth stops
• 2 adjustable fences for small and large panels
• Mechanical digital readout for boring unit
STANDARD EQUIPMENT
• 21 quick chucks
• Foot actuated drilling cycle
• 17-1/4” X 35” work table surface
• Manual adjustment of boring head 0-90 degrees