|
Comparison Item |
Light-duty DIY ModelHundreds W ~ 1000W |
Mid-range Industrial Model 1000W ~ 1800W |
Heavy-duty Industrial Model 1800W ~ 2500W |
|
Common Wheel Diameter: |
100/115/125 mm |
125 mm (mainstream) |
180/230 mm large wheel |
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Motor Type: |
Mostly brushed motor |
Pure-copper brushed / brushless optional |
Mainly brushless motor |
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Torque & Load Performance: |
Obvious speed drop under load, high risk of motor stalling |
Sufficient torque, stable speed under load |
Extra-high torque, minimal speed loss under heavy load |
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Continuous Working Time: |
10-20 minutes per session, cooling break required |
40-60 minutes per session for regular continuous work |
Supports long-time engineering-grade operation with intermittent cooling |
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Unit Weight: |
1.6-2.2 kg, one-hand operation available |
2.3-4 kg, two-hand operation required |
7-11 kg, bulky, must use two hands |
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Application Scenarios: |
Thin-sheet metal cutting, small-part rust removal, home DIY, light weld grinding |
Angle steel / thick steel pipe cutting, weld grinding, large-area rust removal, stone edge trimming |
Thick steel plate, H-beam, casting grinding, concrete demolition, heavy-duty construction |
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Target Buyers: |
Cross-border e-commerce retailers, DIY end-users |
Hardware wholesalers, auto-repair & small steel workshops, maintenance shops |
Engineering contractors, large steel factories, stone plants, project procurement |
|
Limitations: |
Not for long-time heavy-load work; easy overheating & motor burnout |
Not suitable for deep cutting of extra-thick steel or large-scale demolition work |
Bulky for tight spaces; strong kick-back torque; requires experienced operators |
