Drill bit GRAPHITE SDS+ 9 mm for concrete (57H419)

GRAPHITE SDS+ 9 mm concrete drill bit (model 57H419) is designed for rotary hammer drills with SDS+ chucks and intended for drilling into concrete, masonry and other hard mineral materials. The 9 mm diameter suits standard anchor and dowel holes used in construction and installation work. The drill bit combines a carbide tip geometry with a robust shank to enable reliable percussion drilling in reinforced and non-reinforced concrete.

Advantages

The SDS+ connection ensures fast, secure mounting and efficient transfer of impact energy from the rotary hammer to the carbide tip. The 9 mm size provides versatility for fixing tasks such as anchors and dowels while remaining compact for through-holes and installation in tight spaces. The hardened shank resists bending and wear during repeated use, and the tip geometry is designed to maintain drilling speed and accuracy in mineral materials.

Suitable for

• Drilling anchor and dowel holes in concrete and masonry
• Installing fixtures, electrical boxes and conduit supports
• Plumbing mounting points and pipe clips on solid walls
• General construction and renovation tasks requiring 9 mm holes

Key specifications

• Shank type: SDS+ compatible for rotary hammer drills
• Diameter: 9 mm suitable for standard anchors and dowels
• Intended materials: concrete, masonry and similar mineral substrates
• Tip: carbide cutting head designed for percussion drilling
• Application: rotary hammer drilling with impact mode

How to use

Secure the drill bit into the SDS+ chuck of a compatible rotary hammer until it locks. Select the hammer drilling mode and position the bit on the marked drilling point. Start drilling at low speed to create a guide indent, then apply steady pressure and increase speed as needed while allowing the tool to deliver percussion energy. Withdraw the bit periodically to clear dust from the hole and avoid excessive heating. For reinforced concrete, use controlled feed and do not force the bit through rebar; consider a specialized rebar-cutting method if necessary.

Usage recommendations

Use personal protective equipment (safety glasses, hearing protection and dust mask) and ensure the workpiece is stable. Match the drill bit diameter to the anchor or dowel specification and observe recommended drilling depth. Replace the bit when cutting performance declines or when visible wear on the carbide tip appears to maintain safe and efficient drilling.