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Model#: MKTNHP1641K

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Makita HP1641K 5/8 in. Hammer Drill Kit

  • Makita HP1641K 5/8 in. Hammer Drill Kit
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Perfect for deck building, frame construction and any other professional or home project, Makita ft. 5/8 in. 5.7 Amp Dual Mode Hammer Drill makes it easy to drill through the thickest materials. With its heavy-duty 5.7 Amp motor, high-torque gear design, variable speed trigger and superb construction, it makes any drill job simple.
  • Powerful 6.0 Amp motor with 0 - 2,800 RPM & 0 - 44,800 BPM for the most demanding applications
  • Lightweight (4.3 lbs.) with large capacity drilling up to 5/8 in. in concrete
  • 2-mode operation for "Rotation Only" or "Hammering with Rotation" for multiple applications
  • Ergonomic handle with rubberized soft grip for increased comfort and control
  • Recessed lock-on button for continuous use
  • All ball bearing construction for longer tool life
  • Extended service life of carbon brushes for more work between service intervals and less downtime
  • Keyless chuck for easy bit installation and removal
  • Depth gauge for increased drilling consistency
  • 5/8 in. Hammer Drill Kit - HP1641K
  • Keyless Drill Chuck (194073-4)
  • Plastic Case (824877-7)
  • Side Handle (153503-4)
  • Depth Gauge (324219-0)


Length: 11.875 in.
Weight: 4.4 lbs.
Amperage: 6
BPM: 0 - 44,800
Built-In Light: No
Chuck Feature: Single Sleeve
Chuck Size: 5/8 in.
Chuck Type: Keyless
Gearbox: Single Speed
Handle Style: Soft Pistol Grip
Max. Capacity (Concrete): 5/8 in.
Max. Capacity (Steel): 1/2 in.
Max. Capacity (Wood): 1-3/16 in.
No Load Speed (RPM): 0 - 2,800
Power Type: Electric



3.9 / 5.0
9 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Yes, I would recommend this to a friend (4)
No, I would not recommend this to a friend (1)
Powerful (4)
Lightweight (2)
Easy To Use (1)
Ergonomic Design (1)
Heavy (1)
Yes, I would recommend this to a friend
Not quite complete but works anyway...
Drill arrived missing the depth rod but seems to work well other than that. I figure I can make one if I need it so decided to keep it but I think someone should be checking a little closer if they are going to represent things as being complete.
October 13, 2011
Yes, I would recommend this to a friend
Ergonomic Design
December 13, 2011
Yes, I would recommend this to a friend
Easy To Use
It's Brand New
Looks brand new, works like new. Drilled a hole thru 6 inches of concrete - no problem.
January 28, 2012
Yes, I would recommend this to a friend
Did what I needed it to do.
Just a little bit too big for comfortable one-hand use.(I was drilling into plaster walls, usually from a ladder.)
February 21, 2012
No, I would not recommend this to a friend
Works but slips and squeels
I bought my drill new, and from another source. The keyless chuck slips badly I just can't get it tight enough not to. If the drill bit binds or stops the motor keeps turning and the gear box admits a high pitched squeel, suggesting that the gears a skipping or slipping. I think it's because the gearbox is plastic and bows which allows the gears to missalign. I got it in a two piece kit for cheap on an after Christmas sale. For occasional concrete drilling it truly shines as bits rarely stop on concrete. I intentd to make it last by not drilling steel or driving screws with it. It is a dual hammer/straight mode vsr type and would there for be a great and versital tool if not for the squeeling gear box.
October 3, 2015

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Warranty Information

Makita Standard Warranty

The Makita Standard Warranty applies to both new and factory-reconditioned Makita tools. Every Makita tool is thoroughly inspected and tested before leaving the factory. If you are not satisfied with any Makita tool within 30 days of purchase, return it and Makita will provide a replacement or refund. Each Makita tool is warranted to be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase. Should any trouble develop during this one-year period, return the COMPLETE tool, freight prepaid, to one of Makita's Factory or Authorized Service Centers.

Each NEW Makita Lithium‐Ion Power Tool, Battery and Charger is warranted to be free of defects from workmanship and materials for the period of THREE YEARS from the date of original purchase

If inspection shows the trouble is caused by defective workmanship or material, Makita will repair (or at its option, replace without charge).

This Warranty does not apply where:
  • Repairs have been made or attempted by others
  • Repairs are required because of normal wear and tear
  • The tool has been abused, misused or improperly maintained
  • Alterations have been made to the tool
In no event shall Makita be liable for any indirect, incidental or consequential damages from the sale or use of the product. This disclaimer applies to both during and after the term of this warranty. Makita disclaims liability for any implied warranties, including implied warranties of "merchantability" and "fitness" for a specific purpose, after the one-year term of this warranty. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.