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SDS-max rotary hammers drill large holes in concrete and do heavy chiseling. Contractors, electricians, plumbers and anchor installers use them for big anchors, through-holes for pipes, core bits and demolition work that is too heavy for SDS-plus tools.
How to choose an SDS-max rotary hammer
- Drilling capacity: 38mm to 40mm models suit most anchor and pipe holes. 45mm to 52mm machines drive larger bits and core bits.
- Impact energy: higher joules break concrete faster. For example, the Makita HR4013C delivers 8.0J and the HR5212C 20J.
- Drill and chisel: most models drill and chisel. Vibration control and variable speed reduce fatigue on long jobs.
- Corded or cordless: Bosch GBH 18V-36 C and 18V-45 C, Makita XGT and Milwaukee M18 models work without a cord.
Popular SDS-max rotary hammers at KHM Megatools
| Model | Brand | Size and power | Good for |
|---|---|---|---|
| GBH 5-40 D / GBH 8-45 D | Bosch | 40mm / 45mm | Daily drilling and chiseling |
| HR4013C / HR5212C | Makita | 40mm 8.0J / 52mm 20J | Heavy drilling and coring |
| D25481K / D25733K | Dewalt | 40mm 1050W / 48mm 1600W | Anchor and pipe holes |
| KANGO 545S / 750S / 950S | Milwaukee | SDS-max | Heavy-duty site work |
| DH45MR / DH52ME | Hitachi | 45mm 1200W / 52mm 1500W | Large holes and chiseling |
| GBH 18V-36 C / HR005GZ / M18CHM | Bosch / Makita / Milwaukee | Cordless | Work without power on site |
| AZC45 / TH116386 | DCA / Total | 1500W / 1600W | General heavy drilling |
SDS-plus or SDS-max?
An SDS-plus rotary hammer is lighter and handles anchors and smaller holes. SDS-max tools take bigger SDS-max bits and core bits for large holes and heavy chiseling. For breaking only, see demolition hammers.
All products from KHM Megatools are genuine and covered by the manufacturer's warranty where applicable.
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