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6Pcs 9-Inch Long Auger Drill Bit Set for Wood,1/4″,3/8″,1/2″,5/8″,3/4″,1″ Inch Hex Shank Ship Auger Drill Bit Set for Soft and Hard Wood, Plastic, Drywall and Composite Materials 6Pcs -1/4″ to 1″ 9 Inch Long

Quick facts

  • Brand: SMJXTOP
  • Price: USD 25.19
  • Rating: 4.40 (32 reviews)

The SMJXTOP 6-piece 9-inch auger drill bit set is a practical pick for drilling clean, deep holes across common woodworking sizes—from 1/4" up to 1". Made from 1045 high carbon steel with a hardened treatment, these ship auger bits are designed for durability and consistent performance in both softwood and hardwood.

Each bit uses a self-feeding, coarse-threaded tip to help it start accurately, while the single-spur cutting edge scores the outline before boring. Combined with large, deep flutes, this design helps clear chips quickly for smoother results. The hex shank helps reduce slipping in the chuck, and the manufacturer recommends using a corded power drill for best drilling performance.

If you want a single set to cover everything from smaller pilot-style holes to larger diameter bores in wood and wood products, this kit offers a wide range of sizes in one package.

  • 6-piece range: 1/4", 3/8", 1/2", 5/8", 3/4", and 1" (each 9" long)
  • 1045 high carbon steel construction with special hardening treatment
  • Self-centering/self-feeding coarse-threaded tip for easier, more accurate starts
  • Single-spur cutting edge and deep flutes for efficient chip removal and smoother holes
  • Hex shank design to help improve grip in the chuck
  • For softwood, hardwood, MDF, plywood, timber, and garden wood (not designed for metal)