2021 Good Quality Second Hand Drill Machine - Electric Drill Machine 20mm Zh3-20 – Zhonghan

Performance parameters of electric hammer

Input power:                                     
Maximum drilling diameter (steel):                             
Maximum drilling diameter(wood):                             
Maximum drilling diameter (concrete):                     
Maximum drilling diameter brick (with hollow bit):  
Rated speed:                                                            
Hammering rate:                                                      
Maximum single blow force:                                        
Optimum drilling range:                                       
Weight:                                                                        
Machine size:                                                          
Clamping system:                                                       

500W
13mm
30mm
20mm
68mm
0-1400rpm
0-4400times/min
1.5 joules (based on EPTA standard)
4-12mm
2.3kg
337x88x205mm
SDS plus

Detail presentation

four-hole chuck of electric hammer

Electric hammer handle

Electric Hammer/Electric Drill Two Function Transfer Switch

Electric hammer speed switch and lock button 

The whole set of electric hammer tools consist of the following parts

• Four-hole chuck of electric hammer：
• Round shank chuck with two grooves and two pits,Professional SDS quick-change chuck has high clamping accuracy and quick  replacement of accessoriesPACKING with three drills 6mm,8mm,10mm drills,one carbon brush and strong box .
• Electric hammer handle：
• Rotate the auxiliary handle,Ergonomic handle controls balance and reduces operation fatigue
• Electric Hammer/Electric Drill Two Function Transfer Switch Diagram：
• Flat drill/impact switch—Fast switching of functions,one key in place,Electric hammer    function— While hammer drill
• Electric hammer speed switch and lock button：
• Stepless variable speed switch,Speed can be adjusted according to needs.And The lock button.

This machine can punch a maximum of 20 holes, the size of the hole is mainly concrete, It respectively for cutting, positive and negative rotation, speed control functions, the quality of the electric hammer, mainly according to your use to judge, the power of this machine is 500W.This is suitable for family , the weight is light . outshape design is similar as Bosch copy .

Function introduction of electric hammer

2.Electric Hammer To Convert The Chuck When Flat Drill

360 degree high precision drill chuck
High-quality power transmission,

prevent dust from falling into, no drill

Application scenarios of electric hammer

Widely used in construction, decoration and other industries, suitable for concrete,Brick wall, stone, etc
Electric drill function–With impact (mechanical CAM principle)
Suitable for concrete, brick wall, stone impact drilling and wood, metal,Ceramic tile drilling operation

Electric hammer comparison：

500W input powerful

Dont let bad product drag

wall in weak    Motor not durable  The oil is easy to leak .

Our products will solve this all problems

Plastic Blowing Box

Company Profile