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10 Best hole enlarging drill bits of 2025

Save up to 23% off
  • Best Choice

    1

    3PCS Diamond Beveling Chamfer Bits Set, Diamond Drill Bits for Ceramic with 5/8"-11 Drill Adapter, Tile Drill Cone Grinder Bit for Existing Holes Enlarging, Trimming, Orange
    YUANYUU

    3PCS Diamond Beveling Chamfer Bits Set, Diamond Drill Bits for Ceramic with 5/8"-11 Drill Adapter, Tile Drill Cone Grinder Bit for Existing Holes Enlarging, Trimming, Orange

    10% Off
    9.8
    Exceptional
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  • Value for Money

    2

    Diamond Beveling Chamfer Bit, Countersink Drill Bit for 0-2" (50mm) Hole Enlarging Trimming in Porcelain, Ceramic Tiles W/ 5/8"-11 Thread for Angle Grinders & 3/8” Hex Shank Adapter for Drills
    DKITDBIT

    Diamond Beveling Chamfer Bit, Countersink Drill Bit for 0-2" (50mm) Hole Enlarging Trimming in Porcelain, Ceramic Tiles W/ 5/8"-11 Thread for Angle Grinders & 3/8” Hex Shank Adapter for Drills

    9.7
    Exceptional

  • 3

    ZELCAN 10 Sizes Titanium Step Drill Bit, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician
    ZELCAN

    ZELCAN 10 Sizes Titanium Step Drill Bit, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician

    9.6
    Exceptional
    Our Rating

  • 4

    COMOWARE Step Drill Bit for Metal, Titanium Coated, Double Cutting Blades, High Speed Steel, Short Length Drill Bit, Total 10 Sizes from 1/4” to 1-3/8", for Steel Sheets Aluminum Copper Plastic Wood
    COMOWARE

    COMOWARE Step Drill Bit for Metal, Titanium Coated, Double Cutting Blades, High Speed Steel, Short Length Drill Bit, Total 10 Sizes from 1/4” to 1-3/8", for Steel Sheets Aluminum Copper Plastic Wood

    15% Off
    9.5
    Excellent

  • 5

    Diamond Beveling Chamfer Bits Diamond Countersink Drill Bit for Existing Holes Enlarging Shaping Trimming in Tile Marble Glass Granite Ceramic 1-7/8"(48mm) Dia with 5/8-11" Thread Adapter
    TolleSonne

    Diamond Beveling Chamfer Bits Diamond Countersink Drill Bit for Existing Holes Enlarging Shaping Trimming in Tile Marble Glass Granite Ceramic 1-7/8"(48mm) Dia with 5/8-11" Thread Adapter

    16% Off
    9.3
    Excellent
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  • 6

    AOKLIT Diamond Beveling Chamfer Bits Set, Diamond Countersink Drill Bits for 1-7/8"(48mm) Hole Enlarging Trimming Grinding in Tile, Marble, Glass, Granite, Ceramic with 5/8-11" Thread Adapter
    AOKLIT

    AOKLIT Diamond Beveling Chamfer Bits Set, Diamond Countersink Drill Bits for 1-7/8"(48mm) Hole Enlarging Trimming Grinding in Tile, Marble, Glass, Granite, Ceramic with 5/8-11" Thread Adapter

    23% Off
    9.2
    Excellent

  • 7

    Diamond Beveling Chamfer Bit, Diamond Cone Tile Bit 2'' (50mm) Countersink Drill Bit for Hole Enlarging Trimming in Tile Granite Marble Ceramic Wood Chamfer Bits for Drill M10 Thread
    TMZDCJK

    Diamond Beveling Chamfer Bit, Diamond Cone Tile Bit 2'' (50mm) Countersink Drill Bit for Hole Enlarging Trimming in Tile Granite Marble Ceramic Wood Chamfer Bits for Drill M10 Thread

    9.1
    Excellent

  • 8

    GYTYCATAH Diamond Beveling Chamfer Bits, Diamond Countersink Drill Bits 1-3/8" (35mm) with Hex Shank for Existing Holes Enlarging Shaping Trimming in Tile Marble Glass Granite Ceramic (Yellow)
    Gytycatah

    GYTYCATAH Diamond Beveling Chamfer Bits, Diamond Countersink Drill Bits 1-3/8" (35mm) with Hex Shank for Existing Holes Enlarging Shaping Trimming in Tile Marble Glass Granite Ceramic (Yellow)

    9.0
    Excellent

  • 9

    Step Drill Bit for Metal, HSS Step Drill Bit, CORTOOL Titanium High Speed Steel Step Drill Bits, Unibit Step Drill Bits (1/4" to 1-3/8" Step Bit)
    Cortool

    Step Drill Bit for Metal, HSS Step Drill Bit, CORTOOL Titanium High Speed Steel Step Drill Bits, Unibit Step Drill Bits (1/4" to 1-3/8" Step Bit)

    8.8
    Very Good

  • 10

    BTBLBITS Diamond Beveling Chamfer Bits 2" 50mm Diamond Countersink Drill Bit for Existing Holes Enlarging Shaping Trimming in Tile Marble Glass Granite Ceramic 5/8"-11 Thread (Black) (1, 2" (50mm))
    BTBLBITS

    BTBLBITS Diamond Beveling Chamfer Bits 2" 50mm Diamond Countersink Drill Bit for Existing Holes Enlarging Shaping Trimming in Tile Marble Glass Granite Ceramic 5/8"-11 Thread (Black) (1, 2" (50mm))

    8.7
    Very Good