{"id":5209,"date":"2015-07-24T14:22:27","date_gmt":"2015-07-24T14:22:27","guid":{"rendered":"https:\/\/securetool.net\/shop\/drill-bits\/heavy-duty-piece-core-bits\/"},"modified":"2015-12-17T21:47:30","modified_gmt":"2015-12-17T21:47:30","slug":"heavy-duty-piece-core-bits","status":"publish","type":"product","link":"https:\/\/securetool.net\/?product=heavy-duty-piece-core-bits","title":{"rendered":"Heavy Duty One & Two Piece Core Bits"},"content":{"rendered":"

Product Specs<\/a><\/p>\n

Core bits are designed to produce holes which provide clearance for pipe of conduit runs through floors and walls. The bits enable a hammer drill or rotary hammer to produce holeswhich are larger than the tool rating by cutting the circumference of the hole while leaving the center solid. Heavy duty core bits are offered for drilling through concrete, block, brick and soft stone.<\/p>\n

Heavy wall core bits are machined from a single piece of forged steel for long life and are
\ndesigned for use with Spline or SDS-Max rotary hammers. The top or head of the bit is
\ncrowned to direct the hammering energy through the outside wall and into the cutting teeth.
\nThe carbide cutting tips are made with a slightly negative cutting angle on the face to allow
\nthem to be used in the rotary hammering mode. To provide optimum drilling, the carbide
\ntips or teeth are inserted at irregular intervals in the core to minimize vibration and one piece
\nand two piece core bits are offered. One piece bits have a shank which is friction welded to
\nthe forged core body provide the most efficient drilling. Two piece bits have rope threads
\nmachined to tight tolerances to minimize energy loss at the connection. As with all adapters,
\nthere is normally a 10 to 15% loss of hammering energy with a two piece system.<\/p>\n","protected":false},"excerpt":{"rendered":"

For use with rotary hammer with spline or SDS-Max chuck.<\/p>\n

Size range 1 3\/4″ to 5″ diameter.<\/p>\n

One piece spline core bits (cat numbers 26x).
\nOne piece SDS-Max core bits (cat 284).
\nTwo piece core bit body\/drive-shank (cat 5xx).<\/p>\n

Standard tube: 1
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