OSUKA OPCHD903 20V Brushless Cordless Hammer Drill (105 Nm)

The OSUKA OPCHD903 20V Cordless Hammer Drill is the flagship model in OSUKA’s Brushless series, engineered for heavy-duty applications, professional tradespeople, and users who demand maximum performance. Delivering an impressive 105 Nm of maximum torque, it provides exceptional drilling and fastening power for wood, metal, masonry, and concrete applications.

Key Features of the OSUKA OPCHD903

• Dual-Layer Anti-Kickback Protection : Enhanced safety with both Over Current Control and Gyro Anti-Kickback Technology. The system detects sudden tool kickback and instantly cuts motor power within a fraction of a second or after only a 30-degree movement, significantly reducing the risk of wrist and arm injuries.
  
• Intelligent Multi-Mode. Operation Designed to adapt to different working conditions
  • Tap Mode – Prevents drill bit wandering and screw slipping during startup.
    
  • ECO Mode – Optimizes battery efficiency for light drilling and fastening tasks.
    
  • Turbo Mode – Maximizes motor and battery output for demanding applications.
    
  • Selectable Kickback Control – Can be turned on or off depending on user preference and working style.
    
• Heavy-Duty Carbide-Tooth Chuck : The large-capacity chuck features carbide gripping teeth that firmly hold drill bits and reduce slippage, ensuring efficient transfer of motor power to the workpiece.
  
• Advanced Cooling System : Engineered for continuous heavy-duty operation. Proven in testing with a 2.5-inch concrete hole saw running continuously for over two hours without significant power loss or excessive heat buildup.
  
• Preferred by Professional Tradespeople : Field testing with more than 50 sample units showed that over 70% of users preferred the OPCHD903 due to its balanced size, comfortable handling, powerful performance, and durability under continuous use.
  
• High-Performance EPD Brushless Motor : The proprietary EPD Brushless Motor generates higher torque while producing less heat. With rotational speeds reaching 2,350 RPM, it completes drilling and fastening tasks faster than many comparable models.
  
• Powerful 105 Nm Torque : Based on extensive field testing and user feedback, the 105 Nm torque output is considered sufficient for approximately 98% of real-world drilling and fastening applications.
  
• Super LED Work Light : Features a high-brightness LED light with a dedicated flashlight mode that can remain illuminated for up to 20 minutes, making it ideal for confined and low-light work areas.
  
• Heavy-Duty Metal Gear Construction : Critical drivetrain components including the gear housing, spindle, bearings, and gears are constructed from metal for maximum durability and long-term reliability.

Technical Specifications

• Motor Type : Brushless EPD
• Chuck Capacity : 2.0 – 13 mm
  
• Maximum Torquev105 Nm
  
• Voltage : 20V
  
• Speed Settings : 2-Speed
  
• Torque Settings : 20+3
  
• Modes : ECO Mode, Tap Mode, Turbo Mode
  
• No-Load Speed (ECO) : Gear 1: 0–450 RPM / Gear 2: 0–1,950 RPM
  
• No-Load Speed (Turbo) : Gear 1: 0–550 RPM / Gear 2: 0–2,350 RPM
  
• Impact Rate (ECO) : Gear 1: 6,750 BPM / Gear 2: 29,250 BPM
  
• Impact Rate (Turbo) : Gear 1: 8,250 BPM / Gear 2: 35,250 BPM
  
• Drilling Capacity – Wood : 30 mm
  
• Drilling Capacity – Steel : 10 mm
  
• Drilling Capacity – Masonry : 10 mm
  
• Bare Tool Weight : 1.25 kg
  
• Weight with 4.0Ah Battery : 1.92 kg

Package Contents

• OPCHD903-N (Bare Tool)
  
  • 1 × OPCHD903 20V Cordless Hammer Drill
    
  • 1 × Wrist Strap
    
  • 1 × Belt Hook
    
  • 1 × Screwdriver Bit
    
  • 1 × Auxiliary Side Handle
    
• OPCHD903-K1 (Kit Set)
  
  • 1 × OPCHD903 20V Cordless Hammer Drill
    
  • 1 × 20V 4.0Ah Tabless Battery
    
  • 1 × 2.0A Battery Charger
    
  • 1 × Wrist Strap
    
  • 1 × Belt Hook
  • 1 × Screwdriver Bit
    
  • 1 × Auxiliary Side Handle