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SWISS
CNC
MULTI-
SPINDLE
DAVENPORT
BROWN &
SHARPE
BROACHING
INTERNAL ROTARY
BROACHING
Simply stated, this is the process of forming an internal shape
into an undersized pre-drilled hole. Generally used on blind
hole applications where the length of the form does not ex-
ceed three times the diameter of the form. Can also be used
on through hole applications.
Proudly made in the U.S.A.
Used on all types of machines to produce hundreds of items
like cap screws, faucet splines, involute gears, knurls and
medical bone screws to name just a few.
THESE ARE EXAMPLES OF SPECIAL SHAPES THAT HAVE BEEN SUCCESSFULLY BROACHED - LET US QUOTE ON YOUR REQUIREMENTS.
DOUBLE HEX FLAT DOUBLE D STRAIGHT SPLINE MULTI KEYWAY KNURL
KEYWAY INVOLUTE SPLINE
INTERNAL OR EXTERNAL H/S/S BROACH?
TOLERANCE IF NOT SHOWN ON PRINT
IS H/S/S BROACH TO BE USED IN A SOMMA HOLDER?
SHAPE OF H/S/S BROACH FORM
MATERIAL GRADE OF PART
IF NOT, WHAT ARE THE BLANK DIM. FOR YOUR
CLEARING ID ON INTERNAL?
ARE ANY INTERNAL RADII LESS THAN .0055 ON INT. BROACHES?
HOLDER & ° OF SPINDLE TILT?
EXTERNAL CLEARING ON OD?
ARE ANY EXTERNAL RADII LESS THAN .0055 ON EXT. BROACHES?
WHAT IS HOLDER SIZE OR SHANK DIA?
SPECIAL BROACHES.xls
PLEASE INCLUDE THE FOLLOWING INFORMATION WITH YOUR SPECIAL BROACH INQUIRY:
View our broaching videos on YouTube!