SET 1/16″ TO 1/2″ BY 64THS. OF PRECISION TWIST DRILL BITS THAT ARE JOBBER LENGTH AND SUPPLIED IN A HUOT METAL INDEX DRILL CASE. ALL DRILL BITS ARE HIGH QUALITY MODEL R-10 SOLID M-42 COBALT WITH A BRONZE OXIDE COATING 135 DEGREE SPLIT POINT. COBALT PROVIDES BETTER WEAR RESISTANCE IN HARDNESS AND TOUGHNESS COMPARED TO HIGH SPEED STEEL “HSS” DRILL BITS. FOR USE IN HIGH – TENSILE ALLOYS, TITANIUM, CAST IRON, INCONEL, AND HIGH – NICKEL STAINLESS STEELS. 135 DEGREE SELF- CENTERING SPLIT POINT PREVENTS DRILL FROM WALKING. HEAVY-DUTY CORE CONSTRUCTION PROVIDES GREATER STRENGTH AND RIGIDITY THAN CONVENTIONAL DRILLS. ALL DRILL BITS EXCEPT THE 4 SMALLEST HAVE THE PRECISION TWIST FORGE AND “CO” FOR COBALT STAMPED ON THEM. The item “NEW 29 PC. SET OF COBALT PRECISION TWIST DRILL BITS 135 SPLIT PT. IN METAL BOX” is in sale since Tuesday, March 28, 2017. This item is in the category “Home & Garden\Tools\Power Tools\Drill Bits”. The seller is “4793brad” and is located in Shreve, Ohio. This item can be shipped to United States.

• Type: JOBBER LENGTH
• Brand: PRECISION TWIST DRILL
• Model: BRONZE OXIDE COBALT
• Country of Manufacture: Brazil