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    For Maximum Rotary Hammer Drill Bit Size for Concrete
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    6 Products

    Bosch Electric Rotary Hammers

    Image of Product. Style B. Front orientation. Drills. Bosch Electric Rotary Hammers, For SDS-Plus Bit Shanks, Style B.

    Style B

    Image of Product. Style E. Front orientation. Drills. Bosch Electric Rotary Hammers, For SDS-Max Bit Shanks, Style E.

    Style E

    Use the rotary-only mode for general purpose drilling and driving fasteners (requires a chuck adapter or a magnetic bit holder). In rotary-percussion mode, the tool provides both a rotary drilling and hammering action. In the percussion-only mode, the tool provides only the hammering action. Use this mode when working with chisels and other masonry tools (see Chisels for Rotary Hammers). All have a variable speed motor—the further you depress the trigger, the faster the drill rotates.
    For SDS-Plus Bit Shanks—Also known as SDS-Drive rotary hammers, these are lightweight and ideal for overhead work and drilling smaller holes. A powerful and durable hammer mechanism lets you drill deeper, larger holes in masonry and concrete in less time than with hammer drills. Use with SDS-Plus drill bits. Note: SDS-Plus and SDS-Max bits are not interchangeable.
    For SDS-Max Bit Shanks—A deeper drive system minimizes wobble for straighter, more accurate holes and better overall performance to other rotary hammers. A powerful and durable hammer mechanism lets you drill deeper, larger holes in masonry and concrete in less time than with hammer drills. Use with SDS-Max drill bits (see SDS-Max-Shank Masonry Drill Bits and SDS-Max-Shank Core Drill Bits). Note: SDS-Plus and SDS-Max bits are not interchangeable.
    12 Chisel Lock Positions and 36 Chisel Lock Positions—A chisel lock allows you to choose from 12 or 36 chisel positions to match the angle of many surfaces.
    Model Number RH1255VC—Model number RH1255VC provides smooth starts and won't slow down as you drill deeper.
    Built-In Safety Clutch—A built-in safety clutch protects you and the hammer if the bit gets stuck in your material.
    For Max. Rotary Hammer Bit
    Size for Concrete
    Style
    Drill
    Bit
    Core Drill
    Bit
    Max. No-Load Rotational
    Speed, rpm
    Max. No-Load
    Blows per min.
    No. of Chisel
    Lock Positions
    Overall
    Lg.
    Wt.,
    lb.
    Current,
    amp
    Gear Housing
    Material
    Mfr. Model
    No.
    Certification
    Features
    Each
    For SDS-Plus Bit Shanks
    B1"—1,3005,1003615"6.48—GBH2-26CSA-US Certified, UL ListedBuilt-In Safety Clutch
    Chisel Lock    		000000000000000
     
    For SDS-Max Bit Shanks
    E2"6"2002,1501223 1/2"3015MetalRH1255VCC-UL Listed, CSA Certified, CSA-US Certified, ETL Listed, UL ListedBuilt-In Safety Clutch
    Chisel Lock
    Cushioned Grip
    Service-Reminder Light    		0000000000000000
     

    Jancy Magnetic-Base Drills for Hollow-Core Cutters

    Image of Product. Front orientation. Magnetic-Base Drills. Jancy, Style B.

    Style B

    These drills work with hollow-core cutters to cut only on the periphery of the hole and produce a solid slug. This allows for a faster and easier cut than drilling with standard drill bits. Also known as magnetic core drilling machines.
    They have a feed handle that mounts on the left or right side of the drill. The electromagnetic base attaches to flat ferrous surfaces (such as steel and cast iron). These drills also have a valve to adjust coolant flow. Holding force (also called drill-point breakaway) is calculated against a 1" thick steel plate.
    Style B—Styles A and B have a fixed base.
    Magnetic-Base Drill Chucks and Adapters—Chucks and adapters (sold separately) allow these models to accept standard drill bits.
    Overall
    Style
    For Max.
    Cutter Dia.
    For Cutter
    Shank Size
    Max. Cutting
    Dp.
    Spindle
    Travel
    Max. No-Load Rotational
    Speed, rpm
    No. of
    Speeds
    Current,
    amp
    Holding
    Force, lbf
    For Min. Surface
    Thk.
    Coolant
    Included
    Lg.
    Wd.
    Ht.
    Wt.,
    lb.
    Mfr. Model
    No.
    Each
    120V AC
    B1 1/2"3/4"2"2 9/16"48019.46503/8"No13 5/8"7 7/8"17 5/8"32JHM USA10100000000000000
     
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