Hikoki 28mm (1-1/8″) Rotary Hammers (DH28PBY)

Hikoki

Hikoki 28mm (1-1/8″) Rotary Hammers (DH28PBY)

Incl. VAT

SKU: HTC-DH28PBY Category:

Product Description

Increased Durability

Approximately 2 times longer life *1 achieved by reliable structure that includes a hammering mechanism same as our large hammers.

High-durability hammering mechanism

1. Hammering mechanism features air channel system (NEW)
Up to 50% more volume of air cushion *1 reduces wear and damage inside cylinder.
2. Ball bearings (NEW)
Ball bearing seals in grease and holds temperature low to protect melt down of gear cover.
3. New internal pressure control mechanism (NEW)
Provides smooth airflow in or out of the gear cover to stabilize and ensure hammering action.

Faster Drilling Speed
  • Powerful motors and optimized hammering achieved up to 30% faster drilling speed *3 to improve work efficiency.

    Faster Drilling Speed
Reduction of vibration

Features User Vibration Protection (UVP) system that reduces the vibrations from concrete drilling or chiselling with resonance occured by moving a weight in the oppo site direction to the movement of the hammer. Reduction of vibration by approximately 33% *5 makes operations more comfortable.

Vibration Protection (UVP) system

Located on the side of the tool body for easy operation!

Large change lever (NEW)

  •   Rotation Only
    For drilling in steel or wood, etc.
    (with optional drill chuck and chuck adapter)

      Rotation + Hammering
    For drilling into concrete, etc.

      Hammering Only
    (3-mode models only)
    Chiseling of concrete or groove digging, etc.

    Large change lever
  • Angle adjustment function (3-mode models only)
    When using a cold chisel or cutter, the orientation of the tool tip can be adjusted by setting the change lever as shown on the left.

    Angle adjustment function

Soft and easy to grip for comfortable operation!

Double-molded side handle (NEW)

  • 360° rotation allows more effective operation.

    Side handle

Simple bit mounting

One-push action for quick bit mounting

  • A bit can be mounted by simply inserting it into the tool holder.

    Simple bit mounting

Specifications

ModelDH28PCYDH28PBY
Capacity: Concrete3.4 – 28mm (1/8″ – 1-1/8″)3.4 – 28mm (1/8″ – 1-1/8″)
Capacity: Steel13mm (1/2″)13mm (1/2″)
Capacity: Core bit25 – 50mm (1″ – 2″)25 – 50mm (1″ – 2″)
Capacity: Wood32mm (1-1/4″)32mm (1-1/4″)
Power Input850W850W
Bit ShankSDS-plusSDS-plus
No-Load Speed0 – 1,100min-10 – 1,100min-1
Full-Load Impact Rate0 – 4,300min-10 – 4,300min-1
Overall Length367mm (14-7/16″)367mm (14-7/16″)
Weight (excluding cord) *62.9kg (6.4lbs.)2.9kg (6.4lbs.)
Vibration Total Values
(triax vector sum)*7
Hammer drilling into concrete
Vibration emission value
ah, HD = 11.5m/s2
Uncertainty K = 1.5 m/s2
Vibration emission value
ah, HD = 11.5m/s2
Uncertainty K = 1.5 m/s2
Vibration Total Values
(triax vector sum) *7
Equivalent chiselling value
Vibration emission value
ah, CHeq = 10.5m/s2
Uncertainty K = 1.5 m/s2
  —
Standard AccessoriesSide Handle, Depth Gauge, Carrying Case
  1. In comparison with conventional models DH24PC3 / DH24PB3
  2. As of June 2013. Among 2kg class rotary hammers made by leading power tool manufacturers, surveyed by Koki Holdings.
  3. A comparison of the model DH28PCY and the conventional model DH24PC3. Mean value for drilling into concrete with drill bits between 8mm and 28mm diameters. The results may vary depending on operating conditions.
  4. As of June 2013. Among 2kg class rotary hammers made by leading power tool manufacturers, surveyed by Koki Holdings.
  5. In comparison with conventional models DH24PC3 / DH24PB3
  6. Weight: According to EPTA-Procedure 01/2003.
  7. The tri-axial vibration values were measured according to EN60745-2-6.

Note: Manufacturer reserves the right to change specifications of parts and accessories without notice. Specifications and standard accessories may vary from country to country.

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