This is for a 3/8" 60 DEGREE HIGH SPEED STEEL 3 FLUTE COUNTERSINK 1/4" SHANK 1-3/4 OAL - NEW - Made in USA (Chicago-Latrobe) Black Finish The three-flute countersink / center reamer is widely used to countersink screw heads and rivet heads, and countersinking holes for lathe centers. The odd number of flutes eliminates chatter in most applications while providing better accuracy than a single flute countersink. The three flute countersink is recommended for portable use and machine work.
This is for a 1/2" 60 DEGREE HIGH SPEED STEEL 3 FLUTE COUNTERSINK 3/8" SHANK 2" OAL - NEW - Made in USA (Chicago-Latrobe) Black Finish The three-flute countersink / center reamer is widely used to countersink screw heads and rivet heads, and countersinking holes for lathe centers. The odd number of flutes eliminates chatter in most applications while providing better accuracy than a single flute countersink. The three flute countersink is recommended for portable use and machine work.
Lot 3931 Retired Machinist/Toolmaker with 40+ years in the trade, liquidating MY VAST collection of tools, along with some tools purchased from recently closed Tool & Die shops.
CONDITION = NEW MANUFACTURER = {USA} MARKED ON SHANK OF ALL DRILLS MATERIAL = HIGH SPEED STEEL FOR GENERAL PURPOSE DRILLING SCREW MACHINE DRILL DIAMETER = 9/64" (.1406") SCREW MACHINE DRILL FLUTE LENGTH = 15/16" SCREW MACHINE DRILL OVERALL LENGTH = 1-15/16" SHANK DIAMETER/STYLE = SAME AS DRILL
By clicking "Accept All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.