Compare the Bosch GOL 26 D and GOL 32 D Professional optical levels. This guide covers working range, magnification, accuracy, accessories, tripod and levelling staff requirements, and how to choose the right surveyor setup for construction and outdoor levelling.
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Bosch GBH SDS-plus rotary hammers drill into concrete, brick and stone much faster than an impact drill, because an electro-pneumatic hammer mechanism delivers the impact rather than the user's push. Most models also chisel, so one tool covers anchor holes, conduit runs and light demolition.
How to choose a Bosch SDS-plus rotary hammer
- Modes: 2-mode models drill and hammer-drill. 3-mode models add chiselling for tile removal and chasing.
- Impact energy (J): around 2J suits holes for anchors and fixings. 3J and above drills larger holes faster in hard concrete.
- Drilling capacity: 20mm to 24mm models cover most installation work. 26mm to 32mm models handle larger holes and heavier daily use.
- Dust extraction: models like the GBH 2-23 REA have built-in extraction for cleaner indoor work.
- Cordless: 18V GBH models give full hammer drilling on sites without power.
Popular Bosch SDS-plus rotary hammers at KHM Megatools
| Model | Power | Modes | Good for |
|---|---|---|---|
| GBH 220 | 720W corded | 3-mode | Everyday installation work |
| GBH 2-24 DRE | 2.7J, 24mm | 3-mode | All-round drilling and chiselling |
| GBH 2-26 DRE | 800W, 26mm | 3-mode | Daily site use by contractors |
| GBH 2-28 DFV | 3.2J, 28mm | 3-mode | Quick-change chuck for steel and wood bits |
| GBH 4-32 DFR | 900W, 32mm | 3-mode | Larger holes and heavier work |
| GBH 18V-26 | 18V cordless, 26mm | 3-mode | Brushless power away from the grid |
SDS-plus or SDS-max?
SDS-plus covers most drilling up to about 26mm to 32mm. For core holes, large-diameter drilling and heavy chiselling in reinforced concrete, choose a Bosch SDS-max rotary hammer.
Complete your setup with SDS-plus masonry drill bits, chisel bits and dust extraction attachments. All Bosch tools from KHM Megatools are genuine units covered by the official Bosch warranty in the Philippines.
Need help choosing the right Bosch tools?
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