Makita Power Tools
Makita Batteries, 24V, 18V, 14.4V, 12V, 9.6V, 7.2V Batteries
Cordless Drills and Cordless Hammer Drills
Electric Drills, Spade Handle Drills, Power Drills
Electric Hammer Drills, Power  HammerDrills
Electric Angle Drills, Right Angle Drills
Electric Circualr Saw, Hypoid Saws, and Tile Saws
Electric Reciprocating Saws, Recipro Saws, New Anti Vibration Technology Saws
Electric Jig Saws, Wood Jig Saws, Metal Jig Saws
Cordless Circular Saws - 24 Volt, 18 Volt, 14.4 Volt, 12 Volt, 9.6 Volt Saws
Cordless Reciprocating Saws, Reciprocal Saws, Recipro Saws
Cordless Jig saw, 18V, 14.4V
Combo Kit, Cordless LXT Combo, Tool Combo Kits, Sets, Packs
Impact Drivers, Impact Wrenches, 3/8 Impact Wrench, 3/4 Impact Wrench, Impact Gun
Cordless Impact Wrench, Cordless 3/8 Impact Gun
 Cordless Impact Drivers, Reverisble, Impact Gun
Miter Saws, Compund Miter Saws, Mitre Saws, Table Saws, Planer, Portable Miter Saw, Portable Table Saw
Chop Saws, Miter Chop Saws, Metal Cutting Cut Off Saws, Industrial Saws
Rotary Hammers, SDS Max Rotary Hammers
Demolition Hammers, Concrete Breakers, Pavement Breakers, JackHammer, Jack Hammers
Cut Off Saws, Concrete Power Cutters, Power Cut Off Saw, Concrete Cutter, Gas Cut Off Saws, Electric Cut Off Saw
Cordless Mix Tools, Cordless Band Saw, Cordless AutoFeed ScrewDriver, ChainSaw, Blower, Concrete Vibrators
Electric ScrewDriver, Screw Driver, Screw Guns, Drywall Screw Drivers
Grinders - Angle Grinders, Right Angle Grinders, Metal Working Grinders
Nailers - Framing Nailer, Brad nailer, Coil Nailer, Roofing Nailers, Pneumatic Nailers, Power Nailers
Routers - Plunge Routers, Cut Out Tools, Laminate Trimmer
Polishers - Buffer, Disc Sander,  Wet Sone, Automotive Polisher, Car Polisher, Power Sanders, Disc Sanders
Sanders - Belt Sanders, Power Sanders, Electric Sanders, Belt Sander, Table Sanders, Wide 7 Narrow Sanders
Sanders - Orbital Sanders, Orbit Sanders, Finishing Sanders, Random Orbital Sanders, Palm Sanders, Power Sanders, Electric Sanders
Flashlights, Cordless Flash Lights, Automotive Lights, 18V, 14.4V, 12V, 9.6V, 7.2V Rechareable Lights
Battey Chargers, LXT Lithium Ion, MakStar, 24 Volt, 18 Volt, 14.4 Volt, 12 Volt, 9.6 Volt, 7.2 Volt Chargers
Band Saws - Portable Band Saw, Electric Saw, Metal Cutting Saw
Radio, JobSite Radio, WorkSite Radio, LXT Radio, Lithium Ion Radio, Job Site Radio
Generators - Power Generators, Electric Generators, Portable or Home Generators, Gas Generators
Compressors - Air Compressors, HP Air Compressors, Portable Air Compressors, Combo Nailer Kits
Blowers -  Electric Blowers, BackPack Blowers, Leaf Blowers, Back Pack Blowers, Gas Blowers
Chain Saws, Electric ChainSaw, Gas Chain Saws, Power Chain Saw, 12
Trimmers - Hedge Trimmers, Edger Trimmer, String Trimmers, Electric Trimmer, Gas Trimmer
Reciprocal Links, Link Exchange, Add URL
Makita HR3851 1-1/2 Rotary Hammer (Spline, AC/DC) - Air Cushion Design for Hard Hitting and Fast Drilling
Makita HR3851
1-1/2" Rotary Hammer (Spline, AC/DC) - Air
Cushion Design for Hard Hitting and Fast Drilling
Dewalt SDS Rotary
Hammers
Bosch SDS Rotary
Hammers
Milwaukee SDS Rotary
Hammers
Makita HR3851
1-1/2" Rotary Hammer (Spline, AC/DC) - Air Cushion Design for Hard Hitting and Fast Drilling

Amazon.com Product Description
The Makita 10 Amp, 1-1/2-Inch Spline Rotary Hammer features a spline drive system that
provides maximum power for heavy-duty applications. To ensure a long life, it has ball and
needle bearings, and an auto brush cut-off system that tells you when it's time for
maintenance. It runs off an alternating current or direct current for portability and is factory
grease packed for reduced upkeep. Included with this hammer are hex wrenches no. 4 and
5, and a sturdy plastic tool case. It also has an easy lever change from rotary hammering to
hammering only, allowing even more versatility. This hammer measures 17-1/2 inches in
length, weighs 16.5 pounds, and is backed by a one-year warranty.
What's in the Box
Rotary hammer, hex wrenches no. 4 and 5, and plastic tool case.

From the Manufacturer
The beefy 10-amp rotary hammer in this kit features a spline drive system for maximum
power and is perfect for heavy-duty jobs. It’s factory greased and ready for work. An auto
brush cut-off system that tells you when it’s time for maintenance means longer tool life. A
convenient lever changes modes from rotary hammer to hammer only. This tool runs off AC
or DC for portability. Makita’s designed this tool with all ball and needle bearing
construction and a torque limiting feature for smoother operations and longer tool life.
Your purchase includes hex wrenches 4 and 5, and sturdy plastic tool case.


FEATURES
All ball and needle bearings for longer tool life
Powerful 10 amp motor for continuous heavy duty work
Torque limiting clutch
Easy lever change from "rotary hammering" to "hammering only"
Automatic brush cutoff to advise maintenance schedule and to protect motor
"Spline" type drive system for maximum power
Factory grease packed for reduced maintenance

Product Description
All ball and needle bearings for longer tool life.Powerful 10 AMP motor for continuous
heavy duty work. Torque limiting clutch. Easy lever change from rotary hammering to
hammering only. Automatic brush cutoff to advise maintenance schedule and to protect
motor. 'Spline' type drive system for maximum power. Factory grease packed for reduced
maintenance. STANDARD EQUIPMENT: Hex wrench (#4; 783202-0, #5; 783203-8) and plastic
tool case (150589-9). SPECIFICATIONS: 10 amp motor, 115 V AC/DC, 240 RPM, 2,900 BPM, 7.7
J Impact energy, 4-5/8" capacity in concrete (with core bits), 7-1/2" O.A Length, 16.5 lbs. tool
weight
Makita HR3851
1-1/2" Rotary Hammer (Spline, AC/DC) - Air
Cushion Design for Hard Hitting and Fast Drilling

In the Box
Hex wrench (#4; 783202-0, #5; 783203-8)
Plastic tool case (150589-9)

SPECIFICATIONS
Capacity: Concrete: (with core bits) 4-5/8"
No load speed: 240 rpm
Blows per minute: 2,900
Impact energy: 7.7J
Amps: (115V) 10.0
Overall length: 17-1/2"
Net weight: 16.5 lbs.
Shipping weight: 29.0 lbs.
Makita Power Tools Online- Offering Complete Line Of Makita Power Tools
Power Tools Online  |  Dewalt Tools  |  Makita Tools  |  Milwaukee Tools  |  Bosch Tools  |  Delta Porter Cable  |  Hitachi Tools