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» Machining » Drill Bits » Screw Machine Drills

Chicago-Latrobe 157-TN 21/64 HSS General Purpose TiN 118 Point Screw Machine Drill
Mfg Part #: 55113
Premier Part #: B2546407
Manufacturer: GREENFIELD INDUSTRIES INC.
GENERAL PURPOSE GEOMETRY FOR DRILLING IN A WIDE RANGE OF OPERATING CONDITIONS AND MATERIALS. 118° RADIAL POINT. MANUFACTURED FROM PREMIUM HIGH-SPEED STEEL. SHORTER FLUTES AND OVERALL LENGTH PROVIDE SUPERIOR RIGIDITY TO MINIMIZE DEFLECTION WHEN USING HEAVY FEED RATES. EXTRA RIGIDITY IS IDEAL FOR PORTABLE DRILLING. TIN (TITANIUM NITRIDE) COATING ADDS LUBRICITY AND HARDNESS WHICH ENHANCES CHIP FLOW FINISH HOLE QUALITY AND DRILL LIFE. FOR DRILLING IN ALLOY STEEL CARBON STEEL AND CAST IRON. MADE IN USA. PACK OF 6. 30 DAY WARRANTY.
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