Rotary-Hammer Drills | McMaster-Carr

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For Maximum Rotary Hammer Drill Bit Size for Concrete

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19 Products

Bosch Electric Rotary Hammers


Style A	Style B

Style C	Style D

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



		A	1 5/8"	4 1/8"	300	2,900	12	18 13/16"	14.5	13	Metal	11265EVS	UL Listed	Built-In Safety Clutch Chisel Lock Cushioned Grip Service-Reminder Light Vibration Reduction	8911A21	0000000


		For SDS-Plus Bit Shanks



				B	1"	—	1,300	5,100	36	15"	6.4	8	—	GBH2-26	CSA-US Certified, UL Listed	Built-In Safety Clutch Chisel Lock	27845A71	000000


				C	1"	—	1,300	5,800	36	17 1/4"	7	7.5	—	11255VSR	UL Listed	Built-In Safety Clutch Chisel Lock	27845A31	000000
				D	1 1/8"	—	900	3,800	36	13 5/8"	8	8	—	RH328VC GBH3-28	UL Listed	Built-In Safety Clutch Chisel Lock	27845A42	000000


				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	31795A19	000000


						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	31795A35	00000000

Milwaukee Electric 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. Also known as a SDS-Plus rotary hammer, this model is lightweight and ideal for overhead work and drilling smaller holes. Use with SDS-Plus drill bits. Note: SDS-Plus and SDS-Max bits are not interchangeable.

This model has a variable speed—the further you depress the trigger, the faster the speed.

35 Chisel Lock Positions—A chisel lock allows you to choose from 35 chisel positions to match the angle of many surfaces.

Built-In Safety Clutch—A built-in safety clutch protects you and the hammer if the bit gets stuck in your material.

	Max. No-Load Rotational Speed, rpm	Max. No-Load Blows per min.	No. of Chisel Lock Positions	Current, amp	Gear Housing Material	Overall Lg.	Wt., lb.	Mfr. Model No.	Certification	Features		Each
D-Handle and Pistol Grip



	1 1/8"	1,500	5,500	35	8	Metal	12 1/2"	7.5	5268-21	UL Listed	Built-In Safety Clutch Chisel Lock	31605A42	0000000

Milwaukee Cordless Hammer Drills

Just twist the collar ring and these tools will change from a standard cordless drill to a hammer drill.

The rotary-only mode is for general purpose drilling and driving fasteners. Use this mode with standard drill bits for wood and metal as well as masonry drill bits. In rotary-percussion mode, the tool provides both a rotary drilling and hammering action. The hammering action pounds concrete and masonry, which breaks up the material while it drills. Use this mode for drilling masonry materials using carbide-tipped masonry drill bits.

This drill has a variable speed motor—the further you depress the trigger, the faster the drill rotates. They also have an adjustable clutch that lets you adjust the torque.

See Batteries and Chargers for Milwaukee Cordless Tools for replacement batteries and chargers.

Keyless Chuck—Drills with keyless chuck open and close without a key for fast bit changes.

	For Max. Drill Bit Size for Steel	Max. No-Load Rotational Speed, rpm	Max. Torque, in·lbf	Max. No-Load Blows per min.	No. of Clutch Settings	Battery Charging Time (Battery Cap.)	Batteries Included	Overall Lg.	Wt., lb.	Mfr. Model No.	Certification		Each
Lithium Ion (Li-Ion) Battery







	Keyless Chuck

	18	1/2"	5/8"	1/2"	2,100	1,400	33,000	16	1 hr. (5 A·h)	Yes	7"	5	2904-22	C-UL Listed, UL Listed	29735A71	0000000

DeWalt Electric 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. Also known as a SDS-Plus rotary hammer, this model is lightweight and ideal for overhead work and drilling smaller holes. Use with SDS-Plus drill bits . Note: SDS-Plus and SDS-Max bits are not interchangeable.

48 Chisel Lock Positions—A chisel lock allows you to choose from 48 chisel positions to match the angle of many surfaces.

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
	Drill Bit	Core Drill Bit	Max. No-Load Rotational Speed, rpm	Max. No-Load Blows per min.	No. of Chisel Lock Positions	Current, amp	Gear Housing Material	Overall Lg.	Wt., lb.	Mfr. Model No.	Certification	Features		Each
D-Handle and Pistol Grip



		1 1/8"	2 1/2"	1,450	5,350	48	8.5	Metal, Plastic	16 3/4"	7.2	D25263K	UL Listed	Built-In Safety Clutch Chisel Lock	29935A45	0000000

DeWalt Cordless Rotary Hammers

A powerful and durable hammer mechanism lets you drill deeper, larger holes in masonry and concrete in less time than with cordless hammer drills.

In rotary-percussion mode, the tool provides both a rotary drilling and hammering action. Use SDS-Plus shank drill bits for fast penetration into masonry materials. Note: SDS-Plus and SDS-Max bits are not interchangeable. Use the rotary-only mode for general purpose drilling and driving fasteners (requires a chuck adapter or a magnetic bit holder). 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).

	Rotary Hammers													Batteries		Chargers
	Voltage, V DC	For Max. Rotary Hammer Drill Bit Size for Concrete	Max. No-Load Rotational Speed, rpm	Max. Torque, in·lbf	Max. No-Load Blows per min.	Battery Charging Time (Battery Cap.)	Batteries Included	Overall Lg.	Wt., lb.	Mfr. Model No.	Certification		Each		Each		Each
Lithium Ion (Li-Ion) Battery



		20	1/2"	1,100	18.5	4,600	1 hr. (5 A·h)	Yes	11 7/8"	6.8	DCH273P2	UL Listed	2842A72	0000000	29835A1	0000000	29835A113	0000000

DeWalt Electric Hammer Drills

Just twist the collar ring and this tool will change from a standard electric drill to a hammer drill.

This drill has a variable speed motor—the further you depress the trigger, the faster the drill rotates.

Keyed Chuck—Drills with keyed chuck can be tightened with the included key.

Trigger Lock for Continuous Use—Drills with a trigger lock allow for continuous use without holding down the trigger.

	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"	1/2"	1/2"	2,700	46,000	Keyed	Yes	7.8	Metal, Plastic	13"	5	DW505	CSA Certified, UL Listed	Overload Protection Side Handle Trigger Lock for Continuous Use	31505A81	0000000

DeWalt Cordless Hammer Drills

Just twist the collar ring and this tool will change from a standard cordless drill to a hammer drill.

This drill has a variable speed motor—the further you depress the trigger, the faster the drill rotates. The adjustable clutch lets you adjust the torque.

See Batteries and Chargers for DeWalt Cordless Tools for replacement batteries and chargers.

Keyless Chuck—Drills with keyless chuck open and close without a key for fast bit changes.

	Hammer Drills															Batteries
	Voltage, V DC	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.	No. of Clutch Settings	Battery Charging Time (Battery Cap.)	Batteries Included	Overall Lg.	Wt., lb.	Mfr. Model No.	Certification		Each		Each
Lithium Ion (Li-Ion) Battery







				Keyless Chuck

				20	1/2"	1/2"	1/2"	2,000	38,250	11	1 hr. (8 A·h)	Yes	7 5/8"	4	DCD1007WW1	CSA Certified	29835A711	0000000	29835A142	0000000

Bosch Electric Hammer Drills

Keyed Chuck—Drills with keyed chuck can be tightened with the included key.

	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"	3,200	51,000	Keyed	Yes	8.5	Metal	13 1/2"	6	HD18-2	CSA Certified, UL Listed	Auxiliary 360° Handle	3133A82	0000000

Makita Cordless Hammer Drills

Just twist the collar ring and this tool will change from a standard cordless drill to a hammer drill.

This drill has a variable speed motor—the further you depress the trigger, the faster the drill rotates. The adjustable clutch lets you adjust the torque.

A lithium ion (Li-Ion) battery (sold separately) powers these cordless drills, which means they weigh less and have a longer run-time than cordless drills that use nickel cadmium (NiCad) batteries.

Keyless Chuck—Drills with keyless chuck open and close without a key for fast bit changes.

Cannot Be Sold Outside United States—Drills cannot be sold to the listed areas due to product regulations.

	Hammer Drills																	Batteries		Chargers
	Voltage, V DC	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. Torque, in·lbf	Max. No-Load Blows per min.	No. of Clutch Settings	Battery Charging Time (Battery Cap.)	Batteries Included	Overall Lg.	Wt., lb.	Mfr. Model No.	Certification	Cannot Be Sold To		Each		Each		Each
Lithium Ion (Li-Ion) Battery







				Keyless Chuck

				18	1/2"	5/8"	1/2"	2,000	750	30,000	12	40 min. (4 A·h)	No	8 7/8"	4	XPH03Z	UL Listed	Outside United States	27835A54	0000000	27875A46	0000000	27875A17	0000000