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Home - We manufacture air motors and self-feel drill units sfu selection guide
* Click for TOOL FEATURES / ENGINEERING MANUAL (.pdf) Self Feed Units: The Selection Process


  a)       Pneumatic or electric

  b)       Correct rpm

Metric R = 318.5 x Surface Meters per Minute
Drill dia. (mm)
US Standard R = 3.82 x Surface Feet per Minute
Drill dia. (inches)


  a)   Chuck Base drill comes standard with 3/8" (10 mm) drill chuck.

  b)   Collet Holder & Collet For Tappers, the tapping head is included (single spindle only).

  c)   Multiple Spindle Heads Multiple spindle head collets need to be ordered separately.

  d)   Offset Head For drilling applications requiring special clearances.

  e)   Spindle Positioners To facilitate rapid changeover of spindle positioning where alternative settings are required on Multi-Spindle heads.


  a)   Nose Angle Bracket

  b)   Nose Flange

  c)   Column and Clamp Options


  a)   Return Limit Kit Sends out a positive signal at the retract end of the self feed cycle.

  b)   Dwell Control Used to dwell for a set period of time in the extended position.

  c)   Hydraulic Feed Control Sets a constant feed rate through the material.

  d)   Peck Feed Kit Allows pecking of unit for drilling deep holes.

  e)   Swarf Exclusion Kit Protects drill unit from swarf (chips, dirt, etc.).

  f)   Exhaust Collector Reduces noise and protects drill unit from swarf. Allows muffling or piping of exhausted air away from the work area.

  g)   Bottom Limit Kit Sends a signal when drill unit is fully extended.

  h)   PLC Interface Module Permits PLC to communicate with Self Feed Units.

  i)   Skip Check Unit Enables drill units to economically transit tubular sections.


Multi Spindle Heads

Multi-Spindle Heads
Adjustable and fixed multi-spindle drilling and tapping attachments provide additional versatility for new or existing Airmachines self-feed units....

Air Motors

Air Motors
For drilling machines, conveyors, mixing processes, pumps, de-burring, rotary brushes, almost any machine that requires a rotary power...

Self-Feed Units

Self-Feed Units
For all your automated drilling and tapping requirements. Combines a motor with a double acting, self lubricating cylinder into a clean line....

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All programs and pricing subject to change without notice. is a manufacturer of air motors and self-feed drill units. is an authorized repair center for what were formerly CompAir tools.

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