• Wood Splitter Drill Bit
    Material: High-strength Carbon Steel (Dual High-frequency Quenching)
    Hardness: ≥ HRC55
    Diameter: 32mm / 42mm / 50mm
    Total Length: 165mm
    Shank Type: Square, Round, and...
  • Self-feeding Countersink Bit Set
    Adjustment: Semi-automatic Push-button Lock & Rotate
    Cutter Material: 6542 HSS or Premium Carbide Options
    Body: Aluminum Alloy + Chrome Vanadium Steel
    Kit Sizes: 2.8x8mm,...
  • 4 Flute Depth Stop Drill Bit
    Mechanism: Touch-and-Stop Automatic Clutch
    Blade: 4-Flute High-Carbon Steel / Carbide
    Shank: 6.25mm Quick-change Hexagonal Shank
    Adjustment: 12mm - 35mm Laser-etched Depth...
  • 4-edge Countersink Drill Bit
    Blade Type: 6542 HSS 4-Edge Precision Cutter
    Body: Aluminum Alloy Limit Base
    Adjustable Depth: 12mm - 35mm with Laser-etched Scale
    Center Drill: Replaceable HSS Drill...
  • Adjustable Depth Countersink Bit
    Design: Bearing-mounted Stop Collar (Non-marring)
    Material: Carbide-tipped Cutter + HSS Center Drill
    Adjustability: Fully adjustable center drill depth
    Diameters: 2.8mm -...
  • Tapered Drill Bit
    Material: Industrial Grade Hardened Alloy / Carbide
    Shank Type: 8mm Universal Round Shank
    Center Drill Diameters: 2.8mm / 3.0mm / 3.2mm / 3.5mm / 4.0mm
    Total Length: 55mm...
  • Mortising Chisel Drill Bit
    Material: High-carbon Steel with Induction Hardening
    Processing: High-temperature Quenching / Heat Treatment
    Shank Types: Four-pit Square / Two-pit Two-slot Round
    Sizes:...
  • Square Wood Chisel Drill Bit
    Product Model: Hongniu Hammer Square Hole Drill
    Compatible Tool: 800W or higher hammer drill
    Suitable Material: Wood
    Shank Types: 4-hole square shank / 2-hole 2-slot round...
  • Carbide Countersink Drill Bit
    Product Model: Hongniu Countersink Drill Bit Set
    Shank Type: Round shank
    Shank Diameter: 8mm (all models)
    Total Length: 55mm
    Countersink Diameter: 8mm / 10mm
  • Depth Stop Countersink Drill Bit
    Product Model: Bodu Limited Countersink Drill with Bearing
    Models Included: 2.8×8, 3.0×8, 3.2×8, 3.5×8, 4.0×8mm
    Center Drill Diameter: 2.8–4.0mm
    Countersink Diameter: 8mm...
  • Four Flute Countersink Drill Bit
    Product Model: Horniu 4-Flute Countersink
    Model: 2.8×8mm
    Countersink Dia.: 8mm
    Center Drill Dia.: 2.8mm
    Center Drill Length: 60mm
  • Countersink Bit With Stop
    Product Model: Horniu Auto-Stop Countersink
    Total Length: 80mm
    Shank Diameter: 6.25mm (hex shank)
    Stop Diameter: 30mm
    Center Drill Length: 60mm
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As one of the most experienced wood drill bit manufacturers and suppliers in China, our products have good reputation in the market. Please feel free to wholesale bulk premium wood drill bit made in China here and get quotation from our factory. We also accept customized orders.

4 cutting edge countersink bit, Depth Stop Countersink Drill Bit, wood drill bit
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