Aptel drill bit NZ19 conical wood-splitting bit M12 black

The Aptel drill bit NZ19 conical wood-splitting bit M12 black is a tapered, single-piece bit engineered to split logs and timber by drilling a conical hole that forces the wood fibres apart. Finished in black, it is fitted with an M12 threaded shank intended for use with compatible drills or screw-type splitters that accept an M12 connection. The bit’s conical profile and robust construction make it suitable for tasks where controlled, progressive splitting is required rather than fracturing by blunt force.

Advantages

The conical geometry produces a gradual widening bore that reduces the risk of uncontrolled cracks and provides predictable splitting action. An M12 threaded shank ensures a secure mechanical connection to appropriate drivers, while the black protective finish helps resist corrosion and wear during outdoor use. The single-purpose design concentrates force along the cone, improving efficiency when preparing firewood or processing small logs.

Suitable for

• Splitting logs and rounds for firewood preparation
• Small-scale timber processing and post splitting
• Use with drills or screw-type splitters equipped with an M12 connection
• Outdoor tasks where manual splitting would be impractical or slow

Key specifications

• Conical wood-splitting profile for progressive splitting
• M12 threaded shank for compatible tool attachment
• Black protective finish to reduce corrosion and surface wear
• Suitable for use with handheld or powered splitters that accept M12 fittings

How to use

Secure the bit in a compatible drill or screw-type splitter with an M12 connection according to the tool manufacturer’s instructions. Position the cone tip at the end grain of the log, start the tool at low speed to establish the bore, then increase torque as the cone advances to allow the wood fibres to separate progressively. Maintain a steady, controlled feed and avoid side loads that can bend the shank. For larger logs, drill near the centre and follow safety guidelines for securing the workpiece.

Usage recommendations

Use appropriate personal protective equipment, including eye and hearing protection and gloves. Choose a drill or splitter with sufficient torque to match log size and wood species; very hard or knotty timber may require pre-drilling or multiple inserts. Store the bit dry and clean after use to preserve the finish and inspect the thread and cone for damage before each operation.