2.2 Joules SDS Plus Brushless Rotary Hammer Drill for Concrete Forming

• Customization: Available
• Flat Drill Function: With Flat Drill Function
• Speed Control Function: With Speed Control Function
• Model NO.: LCH777-7
• Brand: Liangye
• Power Rating: N/a
• Impact Rate: N/a
• Impact Energy: 2.2j
• Power Supply Type: Charging Power
• Diameter of Bore: 28mm
• Unloaded Speed: 0-1420rpm
• Voltage: 20V/18V
• Product Name: Rechargeable Battery Rotary Hammer 18V
• Battery: 4000mAh
• Funtion Setting: Drill, Hammer Drill, Chiseling
• Drill Capacity in Concrete: 24mm
• Transport Package: Color Box
• Specification: CE/ROHS/GS/ETL
• Trademark: LIANGYE
• Origin: China
• HS Code: 8467229000
• Production Capacity: 300, 000PCS
• Package Size: 0.00cm * 0.00cm * 0.00cm
• Package Gross Weight: 0.000kg

Product Description

PRODUCTION DETAILS
 

General Hammer Drill Questions

• What is a hammer drill?
  A hammer drill is a power tool designed to drill into hard materials like brick, stone, masonry, and concrete. It combines a rotating drill bit with a hammering action, delivering quick, forceful blows to the material being drilled. This combination of drilling and hammering makes it more effective than a standard drill for tough materials

• What are the benefits of using a hammer drill?

  • Powerful and Efficient: Hammer drills can drill into hard materials quickly and efficiently 
  • Versatile: Suitable for a wide range of applications, from home improvement to commercial projects
  • Durable: Designed to withstand heavy use and provide excellent performance over time
  • Multipurpose: Some hammer drills have a switch to turn off the hammering action, so you can also use them as rotary drills for softer materials 
  • Cordless Convenience: Cordless hammer drills are portable and efficient

• What are some common applications for a hammer drill?
  Hammer drills are commonly used for:

  • Drilling holes in brick, stone, and concrete walls for anchors, screws, and fixings
  • Installing shelves and cabinets on masonry walls 
  • Fixing drop-in angles and toggle bolts 
  • Demolition work, such as reconstructing sidewalks 

Types of Hammer Drills

• What are the different types of hammer drills?

  • Combi Drills: These drills combine the functionality of a drill driver with a hammer drill mode, making them suitable for drilling into wood, plastic, brick, stone, or concrete
  • SDS Hammer Drills (Rotary Hammers): These are larger, more powerful hammer drills used for heavy-duty DIY projects and are compatible with SDS drill bits 
  • Pistol Grip Rotary Hammer: A type of hammer drill with a pistol grip design 
  • D-Handle Rotary Hammer: A type of hammer drill with a D-shaped handle 

• What is the difference between a hammer drill and a rotary hammer (SDS drill)?
  While both hammer drills and rotary hammers combine hammering and rotation, rotary hammers have a more powerful hammering mechanism, making them more suitable for heavy-duty tasks. Rotary hammers typically use SDS (Slotted Drive System) drill bits, which lock into the chuck and can withstand more powerful hammer action.

• What is a combi drill?
  A combi drill combines the functionalities of a drill driver with a hammer drill, making it a versatile all-rounder for various tasks. It can handle everyday drilling and tackle more demanding projects with ease 

Using a Hammer Drill

• How do I use a hammer drill safely?

  • Wear safety glasses, hearing protection, and a dust mask 
  • Use both hands to control the drill and maintain a firm grip 
  • Ensure the workpiece is securely clamped or supported 
  • Avoid using excessive force; let the tool do the work
  • Be aware of the location of pipes and electrical wiring before drilling 
  • It's generally not recommended to use a hammer drill on a ladder or elevated surface due to safety risks

• How do I choose the right drill bit for a hammer drill?
  Use masonry bits for regular hammer drills. SDS drills (rotary hammers) use specific SDS drill bits that lock into the chuck 

• Can I use a hammer drill on a regular wall?
  A hammer drill can be used for regular drilling tasks by turning off the hammering action. However, for best results, consider using a standard drill for non-masonry applications 

Maintenance

• How do I maintain a hammer drill?

  • Keep the tool clean and free of dust and debris.
  • Lubricate the chuck and bits regularly.
  • Inspect the tool for damage before each use.
  • Store the tool in a dry, protected area.

 

Product Name	20V SDS Rotary Hammer
Model no	LCH777-7
Function	4 functions of Chiselling / Chisel Fixing / Drill / Hammer Drill
No-load speed	0-950RPM
Impact rate	0-4300BPM
Impact energy	2.2J
Chuck	SDS plus
Drill capacity	Φ30mm in wood
	Φ13mm for metal
	Φ24mm for concrete
Motor	Brushless motor
Battery Capacity	4000mAh
Charger	2 hrs

 

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