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    For Maximum Rotary Hammer Drill Bit Size for Concrete
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    29 Products

    Bosch Electric Rotary Hammers

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

    Style A

    Style B

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

    Style C

    Style D

    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 Spline Bit Shanks—Designed to drill larger holes than a SDS-Plus hammer, these models use spline-shank drill bits (see Spline-Shank Masonry Drill Bits and Spline-Shank Masonry Core Drill Bits). A powerful and durable hammer mechanism lets you drill deeper, larger holes in masonry and concrete in less time than with hammer drills.
    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.
    Vibration Reduction—These rotary hammers have a vibration reduction system for increased user comfort, provides smooth starts, and won't slow down as you drill deeper.
    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 Spline Bit Shanks
    A1 5/8"4 1/8"3002,9001218 13/16"14.513Metal11265EVSUL Listed
    		Built-In Safety Clutch
    Chisel Lock
    Cushioned Grip
    Service-Reminder Light
    Vibration Reduction    		8911A210000000
     
    For SDS-Plus Bit Shanks
    B1"—1,3005,1003615"6.48—GBH2-26CSA-US Certified, UL Listed
    		Built-In Safety Clutch
    Chisel Lock    		27845A71000000
    C1"—1,3005,8003617 1/4"77.5—11255VSRUL Listed
    		Built-In Safety Clutch
    Chisel Lock    		27845A31000000
    D1 1/8"—9003,8003613 5/8"88—RH328VCQ GBH3-28UL Listed
    		Built-In Safety Clutch
    Chisel Lock    		27845A42000000
     
    For SDS-Max Bit Shanks
    E1 9/16"4"3002,9001219"15.212MetalRH540MUL Listed
    		Built-In Safety Clutch
    Chisel Lock    		31795A19000000
    E2"6"2002,1501223 1/2"3015MetalRH1255VCC-UL Listed, CSA Certified, CSA-US Certified, ETL Listed, UL Listed
    		Built-In Safety Clutch
    Chisel Lock
    Cushioned Grip
    Service-Reminder Light    		31795A3500000000
     

    Bosch Electric Hammer Drills

    Image of Product. Front orientation. Drills. Bosch Electric Hammer Drills.
    Keyed Chuck—Drills with keyed chuck can be tightened with the included key.
    For Max. Bit
    Shank Size
    For Max. Drill Bit Size
    for Concrete
    For Max. Drill Bit
    Size for Steel
    Max. No-Load Rotational
    Speed, rpm
    Max. No-Load
    Blows per min.
    Chuck
    Type
    Chuck Key
    Included
    Current,
    amp
    Gear Housing
    Material
    Overall
    Lg.
    Wt.,
    lb.
    Mfr. Model
    No.
    Certification
    Features
    Each
    Pistol Grip
    1/2"3/4"1/2"3,20051,000KeyedYes8.5Metal13 1/2"6HD18-2CSA Certified, UL Listed
    		Auxiliary 360° Handle3133A820000000
     

    Tapping Screw Installation Drill Bits for Masonry and Concrete

    Create an undersized hole so concrete tapping screws fit tightly once they're threaded into place. These bits are slightly smaller than the matching screw size. They have a carbide tip that resists wear and heat to stay sharp.
    SDS-Plus Shank for Hammer and Rotary Drilling
    Image of Product. Side1 orientation. Drill Bits. Tapping Screw Installation Drill Bits for Masonry and Concrete, SDS-Plus Shank for Hammer and Rotary Drilling.
    Image of Specification. SDS-Plus Shank. Front orientation. SDS Plus Shank.

    SDS-Plus

    Shank

    The slotted shank fits SDS-Plus-drive rotary hammers, which rotate and hammer bits simultaneously to penetrate material. Also known as percussion or impact bits.
    For Screw
    Size
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Mfr.
    Each
    Uncoated
     
    Standard Point
    1/4"
    		3/16"
    		0.1875"
    		6"3 1/2"Bosch90161A25000000
    1/4"
    		1/4"
    		0.25"
    		4 1/2"2"Bosch90161A2400000
     

    Carbide-Tipped Core Drill Bits for Masonry and Concrete

    Remove a core of material with these hollow bits to make larger holes than fluted masonry bits. They're often used for installing pipe and conduit through brick and concrete. The carbide tip resists wear and heat to stay sharp.
    SDS-Max Shank for Hammer and Rotary Drilling
    Image of Product. Front orientation. Drill Bits. Carbide-Tipped Core Drill Bits for Masonry and Concrete, SDS-Max Shank for Hammer and Rotary Drilling.
    Image of Specification. SDS-Max Shank. Front orientation. SDS Max Shank.

    SDS-Max

    Shank

    The slotted shank is compatible with SDS-Max-drive rotary hammers. These bits use simultaneous rotary and hammering action to penetrate material. Also known as percussion or impact bits.
    Pilot Drills—Cut a groove before drilling to make starting the hole easier.
    Drill Bits
    Pilot Drills
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Specs. Met
    Includes
    Mfr.
    Each
    Each
    Uncoated
     
    Standard Point
    1 3/4"
    		1.75"
    		22"17"ANSI B212.15Core Ejector Key, Pilot DrillBosch88865A22000000088865A97000000
    2"
    		2"
    		12"7"ANSI B212.15Core Ejector Key, Pilot DrillBosch88865A6300000088865A9700000
    2"
    		2"
    		22"17"ANSI B212.15Core Ejector Key, Pilot DrillBosch88865A6400000088865A9700000
    2 5/8"
    		2.625"
    		12"7"ANSI B212.15Core Ejector Key, Pilot DrillBosch88865A2300000088865A9700000
    2 5/8"
    		2.625"
    		22"17"ANSI B212.15Core Ejector Key, Pilot DrillBosch88865A2400000088865A9700000
    3 1/4"
    		3.25"
    		12"7"ANSI B212.15Core Ejector Key, Pilot DrillBosch88865A2500000088865A9700000
    3 1/4"
    		3.25"
    		22"17"ANSI B212.15Core Ejector Key, Pilot DrillBosch88865A2600000088865A9700000
    3 9/16"
    		3.5625"
    		12"7"ANSI B212.15Core Ejector Key, Pilot DrillBosch88865A7900000088865A9700000
    4"
    		4"
    		22"17"ANSI B212.15Core Ejector Key, Pilot DrillBosch88865A7600000088865A9700000
    5"
    		5"
    		22"17"ANSI B212.15Core Ejector Key, Pilot DrillBosch88865A7400000088865A9700000
     

    Dust-Collecting Carbide-Tipped Drill Bits for Masonry and Concrete

    Connect these hollow bits to a vacuum system, and they'll suck up dust while drilling. Use them to meet OSHA standards for silica dust exposure when drilling in concrete, brick, and other powdery masonry material. These bits are especially useful for cutting holes for adhesive anchors—you don't need to clean out the hole before installing. They have a titanium nitride (TiN)-coated carbide tip that resists wear and heat to stay sharp.
    SDS-Plus Shank for Hammer and Rotary Drilling
    Image of Product. Front orientation. Contains Inset. Drill Bits. Dust-Collecting Carbide-Tipped Drill Bits for Masonry and Concrete, SDS-Plus Shank for Hammer and Rotary Drilling.
    Image of Specification. SDS-Plus Shank. Front orientation. SDS Plus Shank.

    SDS-Plus

    Shank

    The slotted shank fits SDS-Plus-drive rotary hammers, which rotate and hammer bits simultaneously to penetrate material. Also known as percussion or impact bits.
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    For Vacuum
    Hose ID
    Mfr.
    Each
    Titanium Nitride (TiN) Coated
     
    Standard Point
    5/8"
    		0.625"
    		15"10"1 3/8"Bosch2642N40000000
    11/16"
    		0.6875"
    		18"12 1/2"1 3/8"Bosch2642N5000000
    3/4"
    		0.75"
    		18"12 1/2"1 3/8"Bosch2642N6000000
     
    SDS-Max Shank for Hammer and Rotary Drilling
    Image of Product. Front orientation. Contains Inset. Drill Bits. Dust-Collecting Carbide-Tipped Drill Bits for Masonry and Concrete, SDS-Max Shank for Hammer and Rotary Drilling.
    Image of Specification. SDS-Max Shank. Front orientation. SDS Max Shank.

    SDS-Max

    Shank

    The slotted shank is compatible with SDS-Max-drive rotary hammers. These bits use simultaneous rotary and hammering action to penetrate material. Also known as percussion or impact bits.
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    For Vacuum
    Hose ID
    Mfr.
    Each
    Titanium Nitride (TiN) Coated
     
    Standard Point
    3/4"
    		0.75"
    		21"12 1/2"1 3/8"Bosch2656N10000000
    13/16"
    		0.8125"
    		25"15"1 3/8"Bosch2656N3000000
    7/8"
    		0.875"
    		25"15"1 3/8"Bosch2656N2000000
    1"
    		1"
    		27"17 1/2"1 3/8"Bosch2656N4000000
    1 1/8"
    		1.125"
    		29"20"1 3/8"Bosch2656N5000000
    1 3/8"
    		1.375"
    		35"25"1 3/8"Bosch2656N6000000
     
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