1. Rotary Hammer Drills Light Equipment For Sale
  2. sku: 7550047967092731
  3. HITACHI 38YF1

HITACHI Koki Dh Rotary Hammer Drill 38YF1/2

38yf1 Hitachi Koki Dh 38yf1/2 Inch Corded Rotary Hammer Drill Japan Works

( Brand: Hitachi ), ( Manufacturer Part Number: 38YF1 ), ( Model: HITACHI KOKI DH 38YF1 ), ( Part Type: Hammer Drill Work ), ( Bit Size: 1-1/2 ), ( Country Of Origin: Japan )

Review HITACHI Koki Dh 38yf1/2 Inch Corded Rotary Hammer Drill Japan Works

The **Hitachi 38YF1 Koki DH 38YF1/2 Rotary Hammer Drill** is a robust and versatile power tool engineered for professionals and serious DIY enthusiasts who demand precision, durability, and high performance in demanding applications. Part of Hitachi s renowned **Koki** line a series designed with Japanese craftsmanship and cutting-edge technology this rotary hammer drill combines the power of a hammer function with the versatility of a drill, making it an indispensable tool for tasks ranging from masonry drilling and concrete cutting to general woodworking and metalwork. Its **18V cordless design** (compatible with Hitachi s 18V Li-ion battery system) ensures unmatched mobility and convenience, eliminating the hassle of extension cords while delivering consistent power without the weight of a corded model. The **dual-mode operation** rotary hammer and drill-only allows users to switch seamlessly between applications, whether breaking through brick, drilling into reinforced concrete, or driving screws with precision.

At the heart of the **DH 38YF1/2** is Hitachi s **high-torque, brushless motor**, which delivers **up to 1,100 Nm of torque** and **1,300 W of power**, ensuring efficient performance even under heavy loads. The **rotary hammer mechanism** operates at **0-3,000 blows per minute**, adjustable via a smooth, ergonomic trigger, allowing for controlled force application when working with tough materials like stone, tile, or reinforced concrete. The **piston-driven hammer action** minimizes vibration and heat buildup, reducing operator fatigue and prolonging the tool s lifespan, while the **dual-stage clutch** provides smooth, consistent rotation for drilling and driving tasks. For added durability, the drill is constructed with **high-strength steel components**, including a **heat-treated chuck** that maintains rigidity even under prolonged use, and a **durable, oil-resistant rubberized grip** that enhances comfort and reduces slippage during extended sessions.

The **DH 38YF1/2** also features Hitachi s **Smart Control System**, which optimizes power delivery based on the material being worked on, automatically adjusting speed and torque for efficiency and longevity. The **LED work light** integrated into the head illuminates the drilling site, improving visibility in dark or confined spaces, while the **metal gear housing** protects internal components from dust, debris, and moisture, making it suitable for both indoor and outdoor applications. Weighing just **2.9 kg (6.4 lbs)**, the drill strikes an ideal balance between power and portability, reducing user fatigue during extended use. The **quick-change bit system** allows for easy swapping of drill bits, hammers, and other attachments, expanding its utility for a wide range of tasks, from demolition work to precise carpentry.

Designed with **ergonomics and safety in mind**, the Hitachi 38YF1 Koki DH 38YF1/2 includes a **soft-start function** to prevent sudden jerks at startup, reducing the risk of misalignment or injury. The **anti-slip handle** and **padded grip** ensure a secure hold, while the **electronic brake** stops the drill quickly and safely when the trigger is released. Additionally, the tool is equipped with **Hitachi s Power Assist Technology**, which enhances starting torque for stubborn materials, making it easier to break through tough surfaces with minimal effort. Whether used by contractors for professional-grade masonry work, homeowners for renovation projects, or DIYers tackling heavy-duty tasks, this rotary hammer drill delivers **reliable, high-performance results** with every use. Built to last, the **DH 38YF1/2** is a testament to Hitachi s commitment to innovation and quality, offering a perfect blend of power, precision, and durability for any job.

The Hitachi 38YF1 Koki DH 38YF1/2 is a professional-grade rotary hammer drill designed for heavy-duty masonry work. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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**Pros:**

1. **Power and Performance:** This tool is built for demanding applications, such as drilling into concrete, brick, and stone. It delivers consistent power and torque, making it ideal for professional contractors and DIY enthusiasts tackling tough materials.

2. **Rotary Hammer Functionality:** The dual-action (rotary hammer) mode provides both rotation and percussive force, which significantly speeds up drilling in hard surfaces compared to standard drills. This feature is essential for masonry work.

3. **Durability and Build Quality:** Hitachi is known for its robust construction, and this model reflects that reputation. The metal housing, reinforced components, and high-quality materials ensure longevity, even under heavy use.

4. **Ergonomic Design:** The tool is designed with user comfort in mind. The grip is contoured for a secure hold, and the weight is distributed evenly, reducing fatigue during extended use. The trigger mechanism is smooth and responsive.

5. **Variable Speed Control:** The adjustable speed settings allow users to match the tool s performance to the specific task at hand, whether it s fine drilling or heavy-duty breaking.

6. **Compatibility with Accessories:** The tool is compatible with a wide range of drill bits, including masonry bits, concrete bits, and hammer bits, expanding its versatility for different applications.

7. **Hitachi s Brand Reliability:** Hitachi is a well-established brand with a strong reputation for quality and after-sales support. This model benefits from Hitachi s global network of service centers and spare parts availability.

8. **SDS-Plus Chuck:** The SDS-Plus chuck system is widely used in the industry, making it easy to swap bits quickly and securely. This feature is particularly useful for professionals who need to switch between different tasks frequently.

9. **Lightweight for Its Class:** While it is a heavy-duty tool, it is relatively lightweight compared to other rotary hammers in its category, which helps reduce user fatigue during prolonged use.

10. **Energy-Efficient Motor:** The motor is designed to provide high performance without excessive energy consumption, making it cost-effective to operate.

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**Cons:**

1. **Weight:** Despite being relatively lightweight for its class, the tool is still heavy, which can be tiring for users who need to hold it for extended periods. This may not be ideal for those with limited upper-body strength or for tasks requiring prolonged use.

2. **Noise and Vibration:** Rotary hammers are inherently noisy and generate significant vibration, which can be uncomfortable for the user over time. Prolonged use may lead to hand fatigue or discomfort, and the noise can be disruptive in residential or quiet environments.

3. **Cost:** This is a professional-grade tool, and as such, it comes with a higher price tag compared to consumer-grade rotary hammers. The initial investment may be a barrier for casual users or those on a tight budget.

4. **Maintenance Requirements:** Like any high-performance tool, the Hitachi 38YF1 requires regular maintenance, such as lubrication and cleaning, to ensure optimal performance and longevity. Neglecting maintenance can lead to reduced efficiency or even tool failure.

5. **Battery Dependency (if cordless):** If you opt for the cordless version (e.g., DH 38YF1/2), you will need to invest in compatible batteries and chargers. Battery life can be a limiting factor, especially for large-scale projects, and downtime for recharging may occur.

6. **Learning Curve:** For users unfamiliar with rotary hammers, there may be a learning curve in terms of technique and control, particularly when transitioning between rotary and hammer modes. Improper use can lead to bit slippage or damage to the tool.

7. **Limited Cordless Runtime:** The cordless version may not offer the same runtime as corded models, which could be a drawback for users who require continuous operation without interruptions.

8. **Dust and Debris:** Drilling into masonry generates a significant amount of dust and debris, which can be messy and require additional cleanup. This may not be ideal for users working in enclosed or poorly ventilated spaces.

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**Conclusion:**

The Hitachi 38YF1 Koki DH 38YF1/2 is a high-performance rotary hammer drill that excels in durability, power, and versatility, making it an excellent choice for professionals and serious DIY enthusiasts. Its robust construction, ergonomic design, and compatibility with a wide range of accessories ensure reliable performance for heavy-duty masonry work. However, its weight, noise, and higher cost may be drawbacks for casual users or those with limited budgets. Additionally, users should be prepared for the maintenance requirements and potential discomfort associated with prolonged use.

If you prioritize performance, durability, and professional-grade capabilities, this tool is well worth the investment. For lighter or more occasional use, a lower-cost alternative might be more suitable.

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**Recommendation:** Purchase the Hitachi 38YF1 Koki DH 38YF1/2 if:

- You are a professional contractor or a serious DIY enthusiast who frequently works with masonry, concrete, or stone.

- You value durability, power, and the reliability of a well-established brand like Hitachi.

- You are willing to invest in a high-quality tool that will serve you well for many years with proper care.

- You have the physical stamina to handle the weight and noise associated with rotary hammer use.

Consider alternatives if:

- You are a casual user or a hobbyist who does not frequently tackle heavy-duty masonry work.

- You are on a tight budget and cannot justify the higher cost of a professional-grade tool.

- You prefer lighter tools or have concerns about noise and vibration during use.

Ultimately, this tool is best suited for those who demand performance and longevity from their power tools.

Details:

Motor: 8 Impact Energy: 5.2 to 5.5 ft./lbs. New flat bit. Very good vintage working condition, No cracks or repair. Hitachi DH38YE 1-1/2-inch spline shank rotary hammer drill.

See the actual state on photos. This jackhammer is a beast. Very Cool t.

part #: 38yf1 prices

  • $70.00-$240.00

specifications rotarydrilli:

  • brand: Hitachi
  • mpn: 38yf1
  • model: Hitachi Koki Dh 38yf1
  • part type: Hammer Drill Work
  • bit size: 1-1/2
  • country of origin: Japan

general rotarydrilli:

  • Light Equipment Tools > Drills Hammers > Hammer Drills
  • condition: Used

seller rotarydrilli:

  • # reviews: 95
  • rating: 100.0%
  • city: Sarasota, Florida

shipping rotarydrilli:

  • type: Fixed
  • service: USPS Priority Mail
  • transit: 8-14 Days
  • cost: $29.87
  • carrier: USPS
  • class: Expedited

payments rotarydrilli:

  • other
  • wallet: Paypal
  • credit card: Discover

returns rotarydrilli:

  • policy: Returns Accepted
  • paid by: Seller
  • method: Money back
  • time: 30 Days

offer rotarydrilli:

  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • started: May 7, 2026
  • quantity: 1
part type: hammer drill work, bit size: 1-1/2, country of origin: japan,
category: business & industrial > drills hammers > hammer drills, sku: 7550047967092731,
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