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10 bestHole Enlarging Drill Bitsof July 2025

112M consumers helped this year.

5% off

1

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 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 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

9.8

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2

DT-DIATOOL Diamond Beveling Chamfer Bits - Diamond Countersink Drill Bit 1-3/8 Inch with Hex Shank for Enlarging Trimming Shaping Existing Holes of Granite Marble Porcelain Tiles,Size of 2mm to 35mm

DT-DIATOOL Diamond Beveling Chamfer Bits - Diamond Countersink Drill Bit 1-3/8 Inch with Hex Shank for Enlarging Trimming Shaping Existing Holes of Granite Marble Porcelain Tiles,Size of 2mm to 35mm

DT-DIATOOL Diamond Beveling Chamfer Bits - Diamond Countersink Drill Bit 1-3/8 Inch with Hex Shank for Enlarging Trimming Shaping Existing Holes of Granite Marble Porcelain Tiles,Size of 2mm to 35mm

DT-DIATOOL

9.6

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3

DT-DIATOOL Diamond Finger Bit Coated Milling Bit for Tile Grinder Enlarging Polishing Holes on Porcelain Ceramic Granite Marble Countertop Diameter 15mm, 5/8 inch-11 Thread

DT-DIATOOL Diamond Finger Bit Coated Milling Bit for Tile Grinder Enlarging Polishing Holes on Porcelain Ceramic Granite Marble Countertop Diameter 15mm, 5/8 inch-11 Thread

DT-DIATOOL Diamond Finger Bit Coated Milling Bit for Tile Grinder Enlarging Polishing Holes on Porcelain Ceramic Granite Marble Countertop Diameter 15mm, 5/8 inch-11 Thread

DT-DIATOOL

9.3

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4

Saiper 2 Pcs 9.5mm(3/8”) Pocket Hole Drill Bit 1/4”Hex Shank and Round Shank Replacement Twist Step Drill Bit with Depth Stop Colla for Manual Pocket Hole Jig System Grill Guide Drill Tools Kit

Saiper 2 Pcs 9.5mm(3/8”) Pocket Hole Drill Bit 1/4”Hex Shank and Round Shank Replacement Twist Step Drill Bit with Depth Stop Colla for Manual Pocket Hole Jig System Grill Guide Drill Tools Kit

Saiper 2 Pcs 9.5mm(3/8”) Pocket Hole Drill Bit 1/4”Hex Shank and Round Shank Replacement Twist Step Drill Bit with Depth Stop Colla for Manual Pocket Hole Jig System Grill Guide Drill Tools Kit

Saipor

9.1

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5

KURSTOL Diamond Finger Milling Bit - Diamond Drum Wheel Dia 3/4"X5/8-11 Thread Diamond Milling Bit for Enlarging Shaping Round Bevel Existing Hole of Porcelain,Hard Ceramic,Granite,Marble Round

KURSTOL Diamond Finger Milling Bit - Diamond Drum Wheel Dia 3/4"X5/8-11 Thread Diamond Milling Bit for Enlarging Shaping Round Bevel Existing Hole of Porcelain,Hard Ceramic,Granite,Marble Round

KURSTOL Diamond Finger Milling Bit - Diamond Drum Wheel Dia 3/4"X5/8-11 Thread Diamond Milling Bit for Enlarging Shaping Round Bevel Existing Hole of Porcelain,Hard Ceramic,Granite,Marble Round

KURSTOL

8.8

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OtherRelated productsUp to 42% off

Mgtgbao 1-1/2"(38mm) Diamond Beveling Chamfer Bits, 5/8”(15mm) Diamond Finger Milling Bit, Diamond Countersink Drill Bit for Existing Holes Enlarging Shaping Trimming in Tile Marble Glass Granite Ceramic (GREEN).

Mgtgbao 1-1/2"(38mm) Diamond Beveling Chamfer Bits, 5/8”(15mm) Diamond Finger Milling Bit, Diamond Countersink Drill Bit for Existing Holes Enlarging Shaping Trimming in Tile Marble Glass Granite Ceramic (GREEN).

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

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

FOCSTOL Diamond Beveling Chamfer Bit - 2''(50mm) Diamond Countersink Drill Bit for Existing Holes Enlarging Shaping Trimming in Tile Porcelain Ceramic Granite Marble 5/8''-11 Thread

FOCSTOL Diamond Beveling Chamfer Bit - 2''(50mm) Diamond Countersink Drill Bit for Existing Holes Enlarging Shaping Trimming in Tile Porcelain Ceramic Granite Marble 5/8''-11 Thread

50mm 2" Dry Diamond Beveling Chamfer Bit, Countersink Drill Bit for Enlarging Trimming in Porcelain, Ceramic Tiles Hole 5/8"-11 Thread for Angle Grinders & SDS Adapter for Drills

50mm 2" Dry Diamond Beveling Chamfer Bit, Countersink Drill Bit for Enlarging Trimming in Porcelain, Ceramic Tiles Hole 5/8"-11 Thread for Angle Grinders & SDS Adapter for Drills

6

KURSTOL Diamond Cone Tile Bit - Countersink Drill Bit 1-3/8" x 5/8"-11 Thread Angle Grinder,Beveling Chamfer Bit for Shaping Enlarging Cleaning Existing Holes of Granite Marble Porcelain Tiles

KURSTOL Diamond Cone Tile Bit - Countersink Drill Bit 1-3/8" x 5/8"-11 Thread Angle Grinder,Beveling Chamfer Bit for Shaping Enlarging Cleaning Existing Holes of Granite Marble Porcelain Tiles

KURSTOL Diamond Cone Tile Bit - Countersink Drill Bit 1-3/8" x 5/8"-11 Thread Angle Grinder,Beveling Chamfer Bit for Shaping Enlarging Cleaning Existing Holes of Granite Marble Porcelain Tiles

KURSTOL

8.6

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7

KURSTOL Diamond Beveling Chamfer bit - Finger Milling Bit 1" in(0-25mm) x 5/8"-11 Thread,Diamond Cone Angle Grinder for Shaping Enlarging Cleanig Existing Holes of Granite Marble Porcelain Tiles

KURSTOL Diamond Beveling Chamfer bit - Finger Milling Bit 1" in(0-25mm) x 5/8"-11 Thread,Diamond Cone Angle Grinder for Shaping Enlarging Cleanig Existing Holes of Granite Marble Porcelain Tiles

KURSTOL Diamond Beveling Chamfer bit - Finger Milling Bit 1" in(0-25mm) x 5/8"-11 Thread,Diamond Cone Angle Grinder for Shaping Enlarging Cleanig Existing Holes of Granite Marble Porcelain Tiles

KURSTOL

8.3

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8

Diamond Finger Milling Bits, 5/8 Inch 15mm Dry Core Drill Bit for Enlarging Shaping Existing Holes of Porcelain Tile Ceramic Marble Granite Countertop with 5/8-11 Thread

Diamond Finger Milling Bits, 5/8 Inch 15mm Dry Core Drill Bit for Enlarging Shaping Existing Holes of Porcelain Tile Ceramic Marble Granite Countertop with 5/8-11 Thread

Diamond Finger Milling Bits, 5/8 Inch 15mm Dry Core Drill Bit for Enlarging Shaping Existing Holes of Porcelain Tile Ceramic Marble Granite Countertop with 5/8-11 Thread

Larouoba

8.0

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36% off

9

Irwin 10220CB Unibit1/16-Inch Hole Enlarging 8-Steps Cobalt Step Drill Bit

Irwin 10220CB Unibit1/16-Inch Hole Enlarging 8-Steps Cobalt Step Drill Bit

Irwin 10220CB Unibit1/16-Inch Hole Enlarging 8-Steps Cobalt Step Drill Bit

Irwin

7.7

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10

Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220)

Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220)

Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220)

Irwin

7.4

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