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    4 Products

    Drill Rig Thread Adapters for Rebar-Cutting Core Drill Bits

    Image of Product. Front orientation. Drill Rig Thread Adapters.
    Adapt a bit for use on a drilling rig with a different thread size.
    Thread
    Size
    Overall
    Lg.
    Male
    Female
    Each
    For Threaded-Hub-Shank Drill Bits
    5 3/8"5/8"-11
    		1 1/4"-7
    		2872A990000000
     

    Hollow-Core Cutter Arbor Adapters

    Image of Product. Front orientation. Hollow-Core Cutter Arbor Adapters. Morse Taper Shank.
    Image of Product. Front orientation. Hollow-Core Cutter Arbor Adapters. Round Shank.

    Morse

    Taper

    Shank

    Round

    Shank

    Pair these arbor adapters with hollow-core cutters when using a manual drill press or milling machine. Hollow-core cutters are also known as annular cutters.
    Machine
    Taper No.
    Morse Taper
    Dia.
    Shank
    Dia.
    For Cutter
    Shank Size
    Overall
    Lg.
    For Cutter Material
    Material
    Each
    Morse Taper Shank
    Morse 20.7"—3/4"6 1/4"Cobalt Steel, High-Speed SteelHigh-Speed Steel31315A2550000000
    Morse 30.938"—3/4"6 1/4"Cobalt Steel, High-Speed SteelHigh-Speed Steel31315A251000000
     
    Round Shank
    ——3/4"3/4"5 1/8"Cobalt Steel, High-Speed SteelHigh-Speed Steel31315A254000000
     
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