Bosch doorkruipboor SDS max-9 Break Through

The Bosch Breakthrough SDS Max-9 Break Through drill bit is a long, single-piece bit designed for rotary hammers to drill large and deep holes in concrete and masonry. With a 1000 mm overall length and a 55 mm diameter, it features a tapered shank and a two-flute U-shaped profile that supports breakthrough drilling while improving dust removal. It is intended for use with rotary hammers and requires selecting a hammer with suitable capacity to avoid overload.

Advantages

The long tapered shank enables breakthrough drilling for deeper holes; the 2-flute U-shaped design enhances dust evacuation during drilling; robust construction provides durability for heavy-duty concrete applications; compatibility with SDS Max holders ensures secure mounting in rotary hammers.

Suitable for

• Drilling large-diameter holes in concrete and masonry
• Deep breakthrough drilling where a long reach is required
• Professional construction and renovation work with rotary hammers

Key specifications

• Brand: Bosch
• Model / MPN: 1618596458
• EAN: 3165140021982
• Type: SDS Max drill bit
• Diameter: 55 mm
• Overall length: 1000 mm
• Shank: tapered long shank for breakthrough drilling
• Flutes: 2-flute U-shaped design for dust removal

How to use

Install the drill bit in an SDS Max compatible rotary hammer according to the tool manufacturer’s instructions. Select a rotary hammer with suitable power and impact capacity for a 55 mm, 1000 mm breakthrough bit to prevent overload. Begin drilling at low speed to position the bit, then apply steady pressure and the hammer function as required. Withdraw periodically if necessary to clear debris and maintain cooling and dust removal.

Recommendations

Always use a rotary hammer with adequate capacity for long breakthrough bits to avoid overloading the tool. Follow the rotary hammer manufacturer’s operating and safety instructions and use appropriate personal protective equipment, including eye protection and dust control measures.