Drill Bit SDS‑MAX Makita 24×340 mm Maxi Mak

The Makita SDS‑MAX drill bit 24×340 mm Maxi Mak is designed for use with SDS‑MAX rotary hammers to drill larger diameter holes in concrete, masonry and similar building materials. Its SDS‑MAX shank ensures secure engagement with compatible rotary hammers and efficient transfer of impact energy for stable drilling performance. The 340 mm overall length and 24 mm diameter provide reach and hole size suitable for through holes or deep anchor installations.

Advantages

The SDS‑MAX connection provides reliable locking and power transfer to reduce bit slip during heavy-duty drilling. The 24 mm cutting diameter and extended length deliver consistent hole geometry and allow installation of anchors, sleeves or dowels without repeated tool changes. The bit geometry and flute design help with effective dust and debris removal from the hole, contributing to steady drilling speed and longer bit life when used in appropriate materials.

Suitable for

• Drilling holes for anchors and chemical bolts in concrete and reinforced concrete
• Creating service and conduit passages in masonry and solid walls
• Installing mechanical fixings and dowels during renovation and construction
• Worksites requiring SDS‑MAX compatible bits for rotary hammers

Key specifications

• Shank type: SDS‑MAX compatible
• Diameter: 24 mm
• Overall length: 340 mm
• Intended materials: concrete, masonry and similar mineral substrates
• Designed for use with SDS‑MAX rotary hammers for combined rotation and percussion drilling

How to use

Insert the SDS‑MAX shank into the rotary hammer chuck until it locks according to the tool manufacturer's instructions. Select the hammer drilling mode and align the bit with the intended drilling point. Apply steady axial pressure while allowing the tool to deliver percussion and rotation — avoid excessive side load that can damage the bit. Periodically withdraw the bit to clear dust and debris from the hole and to prevent overheating. Use appropriate personal protective equipment, including eye, ear and respiratory protection, and follow the rotary hammer safety guidelines.

Usage recommendations

For optimal performance, use this 24×340 mm SDS‑MAX bit with rotary hammers rated for SDS‑MAX tooling and match drill speed and impact energy to the substrate. When drilling reinforced concrete, proceed at moderate feed pressure and clear debris frequently. Store the bit in a dry place to prevent corrosion and inspect it before use for wear or damage.