41139 ⎘
Details of tools for drilling machines Cross sectional views of the cutting edges
Sub-classes:SPADE DRILL BLADE AND COMBINED BLADE
#2DRILL
#3DRILL
#4Rotatable cutting head having tip portion with radially extending cutting edges forming a cutting profile having concave and convex sub-portions
#5Drill for carbon-fiber composite material
#6Drill
#7Drills and drill bits with buttressed chip breakers
#8Drill
#9Core drill bit
#10Drill
#11Parabolic instrument
#12CUTTING TOOL AND METHOD FOR ITS MANUFACTURE
#13Drill
#14Drill