SDS-Max Hammer Drills | McMaster-Carr

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For Maximum Rotary Hammer Drill Bit Size for Concrete

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For Maximum Rotary Hammer Core Drill Bit Size for Concrete

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Metal

Maximum No-Load Blows per Minute

2,150

2,900

DFARS Specialty Metals

Exempt

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EAR99

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2 Products

Bosch Electric Rotary Hammers

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-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—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-Max Bit Shanks



		E	1 9/16"	4"	300	2,900	12	19"	15.2	12	Metal	RH540M	UL Listed	Built-In Safety Clutch Chisel Lock	00000000	0000000


		E	2"	6"	200	2,150	12	23 1/2"	30	15	Metal	RH1255VC	C-UL Listed, CSA Certified, CSA-US Certified, ETL Listed, UL Listed	Built-In Safety Clutch Chisel Lock Cushioned Grip Service-Reminder Light	00000000	00000000