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5PCS Countersink Drill Bit Set, 82 Degree HSS Counter Sink Drill Bits for Wood, Metal, Plastic, 1/4″-3/4″ with 1/4″ Hex Shank Countersink Bit Set

Quick facts

  • Brand: Okomagix
  • Price: USD 5.95
  • Rating: 4.30 (244 reviews)

The Okomagix 5PCS Countersink Drill Bit Set is a simple, practical choice for creating clean screw recesses across common shop materials. With five 82-degree countersink sizes (1/4″, 3/8″, 1/2″, 5/8″, and 3/4″), it’s easy to match the bit to the fastener and the look you want—whether you’re working on wood projects, aluminum, or plastic.

Each bit uses a 5-flute design to help produce a smooth, accurate countersink, and the 1/4″ hex shank makes swaps fast when you’re moving between steps. The included storage case keeps the set protected and organized between jobs. For longevity, the manufacturer recommends oiling after use and notes it should not be used for iron or stainless steel.

  • 5-piece set with 82° cutting angle in 1/4″, 3/8″, 1/2″, 5/8″, and 3/4″ sizes
  • 5-flute spiral design for fast, smooth countersinking
  • 1/4″ hex shank for quick changes; compatible with handheld drills, impact drivers, and drill presses
  • Compact storage case helps protect and organize bits
  • Alloy steel construction with uncoated finish; oil after each use (not for iron or stainless steel)

At a low price point, this set is especially handy as a starter countersink kit, a backup set for the toolbox, or a dedicated set for wood and non-ferrous materials.