32mm L600mm Alpen Series 228 Auger Bit — Precision Long-Reach Timber Drill

The Alpen Series 228 Auger Bit is built for serious timber projects where depth, accuracy, and clean holes matter. With a 32 mm bore and a 600 mm overall length, this bit reaches deep into solid wood—minimizing re-drilling and re-positioning on tall timbers, posts, and thick joinery. The combination of long reach and robust construction makes it a dependable choice for professional carpenters and dedicated DIYers tackling framing, decking, and large-scale timber assemblies.

Key characteristics that set the Alpen Series 228 apart:

• A 32 mm hole diameter and 600 mm length enable through-bolts, dowels, and large timber joinery without compromising hole quality. This pairing is purpose-built for fence posts, long decking runs, pergolas, and other extended framing tasks.
• The long, continuous spiral flute ensures consistent chip removal, reducing jams and delivering smoother cutting in both softwoods and hardwoods. This design supports reliable, straight holes even as you drill deep.
• A precisely shaped tip initiates cleanly and minimizes wandering on the first bite, helping you start holes with confidence in dense timbers.
• Constructed to hold an edge through repeated drilling in treated lumber and premium hardwoods, the Alpen 228 bit maintains performance across projects from rough framing to fine joinery.
• Requires a drill that accepts long auger bits and benefits from a steady, even feed—perfect for permitting steady progression through thick timber without wobble.

Use cases that benefit from its long-reach design

When your project demands deep, plumb holes, this bit shines. Install tall fence posts, run long deck boards, or assemble pergolas where space is limited and re-positioning is impractical. It’s also ideal for thick joinery, raised beds, and furniture components that require deep boreholes for dowels or through-fasteners. The long reach and large bore translate to faster assembly and cleaner finishes, even in demanding timber builds.

Why choose the Alpen Series 228 for timber drilling

Alpen brings a reputation for precision and reliability in timber tooling. The Series 228 auger bit combines a robust 32 mm bore with a true long-reach profile, delivering through-holes that stay true to plumb lines. This isn’t just about a bigger hole—it’s about predictable starts, smooth cuts, and a finish that reduces the need for corrective work later in the build. For professionals and seasoned DIYers who routinely drill deep into timber, the Alpen 228 offers a practical, repeatable solution that helps you complete assemblies faster with consistent results.

Practical tips for optimal results

• Pair with a drill that accepts long auger bits and use a steady, even feed to maximize chip clearance and hole accuracy.
• Mark the starting point clearly and maintain consistent cutting pressure to prevent wander on dense wood.
• Drill from a secure, clamped workpiece to minimize deflection and preserve hole geometry in thick timbers.
• For through-hole applications, plan for dowels or through-bolts sized to the 32 mm bore to ensure precise alignment and robust joints.