Menu
Search
Advertising Disclosure

10 Best hole enlarging drill bits of 2026

Explore top picks
  • Best Choice

    1

    AOKLIT 3 PCS Diamond Beveling Chamfer Bits Set, Tile Cone Grinder Bit with 5/8-11 Thread Adapter, 1" Diamond Drill Bits for Hole Enlarging Trimming Grinding in Tile, Marble, Glass, Granite,Ceramic
    AOKLIT

    AOKLIT 3 PCS Diamond Beveling Chamfer Bits Set, Tile Cone Grinder Bit with 5/8-11 Thread Adapter, 1" Diamond Drill Bits for Hole Enlarging Trimming Grinding in Tile, Marble, Glass, Granite,Ceramic

    9.7
    Exceptional
  • Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
    Careful review Our team ensures quality, value, and fit based on real user feedback
    Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
    Real users impact
    • Thousands of users trust our site daily
    • Based on millions of stores and reviews
    • Shoppers influence our rankings
  • 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

    9.6
    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

    9.5
    Excellent
    Our Rating

  • 4

    Hex Shank Rotary Steel File Drill Bits Set for Milling Filing Shaping Grinding Engraving Enlarging Holes 1/4 Inch 6.35mm Shank 5 Pieces
    XNManaWork

    Hex Shank Rotary Steel File Drill Bits Set for Milling Filing Shaping Grinding Engraving Enlarging Holes 1/4 Inch 6.35mm Shank 5 Pieces

    9.2
    Excellent

  • 5

    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

    9.1
    Excellent
  • See Today’s Deals & Prices

  • 6

    NEIKO 10181A Step Drill Bit Set, 3 Piece, Spiral Grooved for Faster Drilling, Step Bits for Stainless Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits with 31 Step Sizes Total
    NEIKO

    NEIKO 10181A Step Drill Bit Set, 3 Piece, Spiral Grooved for Faster Drilling, Step Bits for Stainless Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits with 31 Step Sizes Total

    8.8
    Very Good
    Our Rating

  • 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

    8.7
    Very Good

  • 8

    NEIKO 10189A Titanium Step Drill Bit, High-Speed Alloy Steel Bit, Hole Expander for Wood and Metal, 12 Step Sizes from 7/16 Inches to 1 1/8 Inches
    NEIKO

    NEIKO 10189A Titanium Step Drill Bit, High-Speed Alloy Steel Bit, Hole Expander for Wood and Metal, 12 Step Sizes from 7/16 Inches to 1 1/8 Inches

    8.6
    Very Good

  • 9

    Diamond Finger Milling Bits,BRSCHNITT 1 Inch 25mm Dry Core Drill Bit with 5/8-11 Thread for Enlarging Shaping Existing Holes of Porcelain Tile Ceramic Marble Granite Countertop
    BRSCHNITT

    Diamond Finger Milling Bits,BRSCHNITT 1 Inch 25mm Dry Core Drill Bit with 5/8-11 Thread for Enlarging Shaping Existing Holes of Porcelain Tile Ceramic Marble Granite Countertop

    8.4
    Good

  • 10

    IRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes High Speed Steel Step Bits for Metal with Aluminum Case
    IRONANT

    IRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes High Speed Steel Step Bits for Metal with Aluminum Case

    • Hole Sizes:50 sizes in 5 pcs
    • Cutting Angle:118 Split Point
    • Material:High speed steel
    • Coating:Titanium coating
    • Flute Type:Dual-flute design
    8.1
    Good