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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 GSB impact drills combine rotary drilling with a hammer action, so one tool handles concrete and masonry as well as wood, metal and plastic. Switch off the hammer function for clean holes in wood and steel, or switch it on for anchor holes in walls and slabs.
How to choose a Bosch impact drill
- Chuck capacity: 10mm (3/8") suits light fit-out work. 13mm (1/2") is the all-round choice. 16mm to 20mm models handle larger bits and heavier masonry drilling.
- Power: corded models range from 500W for home use to 800W for continuous site work.
- Reverse and variable speed: "RE" models let you start holes slowly and back out stuck bits.
- Corded or cordless: cordless GSB drills also work as drill drivers for screwdriving, which saves carrying two tools.
Popular Bosch impact drills at KHM Megatools
| Model | Power | Chuck | Good for |
|---|---|---|---|
| GSB 550 | 550W corded | 13mm | Everyday home and light site drilling |
| GSB 13 RE | 650W corded | 13mm | General drilling in concrete, wood and metal |
| GSB 16 RE | 750W corded | 16mm | Frequent masonry drilling and larger bits |
| GSB 20-2 RE | 800W corded, 2-speed | 20mm | Heavy-duty drilling and mixing |
| GSB 12V-30 | 12V cordless, brushless | 10mm | Compact drilling and screwdriving in tight spaces |
| GSB 18V-50 / 18V-65 | 18V cordless, brushless | 13mm | Site work away from power, drilling and driving |
Impact drill or rotary hammer?
An impact drill is the right tool for holes up to around 10mm in brick and light concrete. For frequent drilling in hard or reinforced concrete, or for chiselling, a Bosch SDS-plus rotary hammer does the job faster with less effort.
Pair your drill with the right masonry drill bits, metal drill bits or a drill bit set. 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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