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Brand: Polymak
POLYMAK 22mm 800W 1200 RPM 2.2J High-Impact Industrial SDS-Plus Rotary Hammer Drill CM-RH-20A
SKU: TI-P2-68493
Estimated Delivery By: Apr 15 - Apr 17 
MRP : ₹4099 ₹3279
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Estimated Delivery By: Apr 15 - Apr 17 Easy Return
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₹3279 (Including GST)
MRP : ₹4099
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Short Description
A heavy-duty 800W SDS-Plus rotary hammer by Polymak with 2.2J impact energy and 1200 RPM, ideal for 22mm concrete drilling and industrial masonry.
Country of origin: India
Specifications
- Brand: Polymak
- Power : 800 w
- Weight (Approx.) : 3.2 kg
- Drilling Capacity : 22 mm
- No-Load Speed : 1200 rpm
- Model Number: CM-RH-20A
- Power Input: 800 Watts
- No Load Speed: 0 – 1200 RPM
- Max. Impact Energy: 2.2 Joules
- Max. Drilling Capacity : 22 mm
- Chuck Type: SDS-Plus
Description
The Polymak CM-RH-20A Rotary Hammer is a powerful tool designed for heavy-duty masonry and concrete penetration. It has a high-performance 800-watt motor and a sophisticated pneumatic hammer mechanism that produces a significant 2.2 Joules of impact energy. This instrument is specifically developed for professionals who need to drill regular holes in reinforced concrete, stone, and brickwork without the physical labor required by traditional impact drills. Its SDS-Plus chuck mechanism eliminates the need for a tool and ensures maximum security. The CM-RH-20A combines a small footprint with industrial-grade durability, making it an indispensable tool for civil construction, electrical installations, and plumbing renovations.
Features
:- High-Torque 800W Motor: Engineered to deliver steady speed and power even under heavy loads in dense materials.
- The pneumatic hammer mechanism generates 2.2J of impact energy, greatly lowering the pressure required by the operator.
- The SDS-Plus Chuck System allows for rapid, tool-free bit changes while maximizing power transfer from the tool to the bit.
- Variable Speed Trigger: Uses precision control (0-1200 RPM) to correctly start holes on smooth surfaces like as tile or polished stone.
- Multi-Function Selector: Easily switch between rotary and hammer drilling modes depending on the workpiece.
- The built-in safety clutch protects both the user and the motor by disengaging the gears if the drill bit binds or touches rebar.
- 360° Adjustable Side Handle: Offers a strong two-handed grip and improved control when drilling vertically and horizontally.
Applications
:- Concrete construction involves fastening anchors, inserting rebar, and drilling through reinforced concrete walls and floors.
- Masonry and brickwork: Simple drilling in solid brick, stone, and blocks for HVAC and electrical installation.
- Electrical installations include routing pipes and installing heavy-duty switchgear on industrial walls.
- Plumbing and piping include boring holes for pipe passageways through substantial masonry foundations.
- Renovation: Tile removal (with the required chisel bit) and general stone construction.
Usage
:- Bit Selection: Use only SDS-Plus-compatible bits. To help the chuck last longer, apply a small amount of lubricant to the bit shank before inserting it.
- Mode Selection: Turn the side dial to "Hammer Drill" for masonry/concrete or "Rotary Only" for wood/metal.
- Position the bit, apply light pressure, and then pull the trigger. Allow the 2.2J pneumatic impact to do the work; pushing too hard reduces efficiency.
- Handling Rebar: If the tool's safety clutch engages (stopped spinning), immediately release the trigger and realign the bit.
- Maintenance: After working in dusty conditions, run the tool at no load for 30 seconds to blow out dust and clean the chuck area.
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