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Makita Canada
1-3/4" Rotary Hammer SDS-MAX
1-3/4" Rotary Hammer SDS-MAX
Mfr. Model # 
HR4511C
|Item # 
10414969
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SDS-Max Shank
Key Features:
• Anti-vibration technology (AVT™) actively counteracts vibration of tool for greatly reduced transmission to operator
• Torque limiter stops bit rotation if bit jams for increased operator safety and enhanced tool protection
• Constant speed control maintains constant speed under heavy load
• Soft start feature gradually increases speed to eliminate start-up shock
• Variable speed dial allows operator to adjust speed based on materials or application
• 16 angle bit positions enable chisels to be positioned at optimum angle of operation
• One-touch sliding chuck for easy bit installation and removal
• LED service light indicates appropriate time to change carbon brushes
• LED power light indicates active power supply
• Vibration absorbing handle with ergonomic soft rubber grip for vibration absorption and comfortable operation
• Includes straight (drilling) and D-style (demolition) side handles
Maximum Capacities:
• Bit type: SDS-Max
• Maximum capacities:
- Concrete (TCT): 1-3/4" (45 mm)
- Concrete (core bit): 5" (125 mm)
• No load speed: 130 - 280 RPM
• Blows per minute: 1,250 - 2,750 BPM
• Impact energy: 12.5 J (9.2 ft. lbs)
• Amps (120V): 13.5 A
• Vibration level: 7.5 m/s² (drilling) / 7.0 m/s² (chiseling)
• Noise level: 94 dB(A)
• Overall length: 18" (458 mm)
• Net weight: 19.8 lbs (9.0 kg)
Included Accessories:
• Bit grease (194683-7)
• Straight side handle incl. depth gauge (135209-6)
• D-style side handle (134890-0)
• Cleaning cloth (443122-7)
• Plastic carrying case (196188-3)

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