Top Hole Enlarging Drill Bits for Metalworking Applications

The best Hole Enlarging Drill Bits includes MORSE CUTTING TOOLS Decimal Equivalents Chart, W LAIWO Triangular Drill Bits (9 Sizes), TVOGRUC Diamond Chamfer Bit for Grinders and many others as mentioned below.

1

MORSE CUTTING TOOLS Decimal Equivalents Chart

  • Heavy duty plastic construction for durability.
  • Large size: 21 1/4 x 33 3/4 inches.
  • Displays decimal equivalents for easy reference.
  • Includes recommended drill sizes for taps.
  • Features useful formulas for quick calculations.
  • Three punched holes for convenient wall mounting.
  • Ideal for workshops, classrooms, and garages.
  • Average Rating out of 5:
  • Price Range: $35.99
  • Material: Plastic
2

W LAIWO Triangular Drill Bits (9 Sizes)

  • Includes 9 versatile triangular drill bits.
  • Ideal for drilling wood, metal, and plastic.
  • Durable materials ensure long-lasting performance.
  • Sharp cutting edges for precise holes.
  • Compact case for easy storage and portability.
  • Reduces time spent switching bits during projects.
  • Perfect for DIY enthusiasts and professionals alike.
  • Average Rating out of 5:
  • Price Range: $9.89
  • Material: High Carbon Steel
3

TVOGRUC Diamond Chamfer Bit for Grinders

  • High-grade diamond particles for superior cutting performance.
  • Durable metal matrix enhances tool longevity and reliability.
  • M10 thread ensures easy installation on grinders.
  • Bevel design facilitates enlarging and polishing existing holes.
  • Built-in cooling wax allows dry use during grinding.
  • Compatible with 100mm angle grinders and drills.
  • Lengthened interface improves durability and stability.
  • Average Rating out of 5:
  • Price Range: $7.99
  • Material: Diamond
4

Generic Wood Hole Reamer Drill Bit Set

  • Boosts productivity with efficient hole enlargement.
  • Crafted from durable, wear-resistant materials.
  • Gradually widens holes for precise drilling.
  • Suitable for various materials like concrete and tiles.
  • Perfect for home and industrial applications.
  • Reusable design ensures long-lasting performance.
  • Ideal for technicians and woodworking enthusiasts.
  • Price Range: $16.29
  • Material: metal
5

GMBYLBY Diamond Cone Drill Bit (20-50mm)

  • Efficient hole expansion with multilayered design.
  • Available in three sizes: 20mm, 35mm, 50mm.
  • Reliable tool for workers and technicians.
  • Compatible with various materials, including concrete.
  • Upgrades your drilling experience significantly.
  • Gradual enlargement for precise hole accuracy.
  • Perfect for a wide range of drilling projects.
  • Average Rating out of 5:
  • Price Range: $19.80
6

AI Twist Drill Angle Gauge Tool

  • Accurate measurement of drill bit angles.
  • Durable stainless steel construction ensures longevity.
  • Laser engraved markings for easy reading.
  • Compact and portable for convenience.
  • Perfect for sharpening drill bits efficiently.
  • Measures standard 118-degree drill bits.
  • Essential tool for DIY and professional use.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Material: Stainless Steel
7

WPTPVMVZU 30pcs Diamond Lapidary Drill Bits

  • 30 high-quality diamond-coated drill bits
  • Perfect for drilling jewelry and ceramics
  • Suitable for glass, jade, and stone
  • Precision engineering for accurate drilling
  • Durable and long-lasting performance
  • Compatible with small bench drills
  • Ideal for various materials and applications
  • Price Range: $14.68
8

Generic 7PCS Square Hole Drill Bits

  • Includes seven sizes for versatile woodworking projects.
  • Designed for use with mortise machine only.
  • Not compatible with handheld drills.
  • Connect to drill press with additional accessories.
  • Ideal for creating precise square holes.
  • Durable construction for long-lasting performance.
  • Perfect for professional and DIY woodworking tasks.
  • Price Range: $69.99
9

Loutlo Diamond Chamfer Bit 50mm

  • High-grade diamond particles for superior cutting.
  • Compatible with M10 spindle for easy installation.
  • Bevel design relieves pressure during operation.
  • Built-in cooling wax for dry use.
  • Durable metal matrix ensures long-lasting performance.
  • Suitable for 100mm angle grinders and drills.
  • Perfect for polishing and enlarging existing holes.
  • Price Range: $14.99
  • Color: Large Bit 50mm
  • Material: Diamond
10

Miayaya HVAC Swaging Tool with 5 Bits

  • 5 in 1 tool for versatile applications.
  • Includes five sizes: 1/4 to 3/4 inches.
  • High-quality carbon steel construction for durability.
  • Quenched and hardened for wear resistance.
  • Easy and precise pipe expansion without damage.
  • Compatible with electric drills for convenience.
  • Portable design for easy carrying and storage.
  • Price Range: 0
  • Material: Carbon Steel
11

SWLECA TCT Core Drill Set (10Pcs)

  • 10-piece TCT core drill set for versatile applications.
  • Includes sizes from 35mm to 110mm for flexibility.
  • Tungsten carbide tips ensure clean, precise drilling.
  • Compatible with SDS Plus extension shank for convenience.
  • Ideal for concrete, brick, and blockwork materials.
  • Perfect for pipe installations and wall fan setups.
  • Comes with guide drills and locking screws for accuracy.
  • Price Range: $42.74
12

Socoje 7PCS Square Hole Drill Set

  • Made from high-speed steel for durability.
  • Sharp and precise drilling for woodworking projects.
  • Compatible with various wood types, including MDF.
  • Multiple sizes for versatile applications and needs.
  • High-quality cast aluminum for stability and longevity.
  • User-friendly adapter for quick bit changes.
  • Ideal for intricate and larger woodworking tasks.
  • Price Range: $49.89
  • Material: High Speed Steel
13

Qualtech 7/64" HS Stub Drill (DWDST7/64)

  • Heavy-duty high-speed steel construction for durability.
  • 7/64" size for precision drilling applications.
  • Split point design reduces walking on surfaces.
  • Flute length of 13/16" for effective chip removal.
  • Overall length of 1-13/16" for versatile use.
  • Ideal for screw machine applications and general drilling.
  • Excellent performance in various materials and projects.
  • Price Range: $5.12
  • Material: High Speed Steel
14

MK Morse Pilot Drill [10-Pack] 1/4" Shank

  • Patent Pending tooth set design for faster material removal.
  • Conveniently organized kit for essential sizes professionals need.
  • New side slot for increased leverage and easy slug removal.
  • Exterior red coating reduces friction for efficient cutting.
  • Heavy duty .050 side wall enhances stability during use.
  • Includes 10 high-speed steel pilot drills for versatility.
  • 1/4" shank fits various drill types for convenience.
  • Price Range: 0
  • Size: ‎One Size
  • Material: Blend
15

Eujgoov Double Paddle Morse Code Key

  • Simplified tapping with magnetic damping adjustment.
  • Durable carbon fiber key paddles for performance.
  • Premium stainless steel, brass, and aluminum construction.
  • Standard 3.5mm interface for easy connectivity.
  • Compact and lightweight design for easy installation.
  • Perfect for CW Morse code practice sessions.
  • Portable design for on-the-go training convenience.
  • Average Rating out of 5:
  • Price Range: $85.30
16

Jopwkuin Morse Code Reader with LED Display

  • LED display for accurate Morse code readings.
  • Convenient built-in charging function for extended use.
  • Flexible power options: DC or lithium battery.
  • Ideal learning tool for amateur radio enthusiasts.
  • Compact and lightweight for easy portability.
  • Perfect for outdoor use and on-the-go decoding.
  • Simplifies learning and enhances Morse code skills.
  • Price Range: $25.59
17

EVTSCAN Morse Code Decoder (DC7-12V)

  • Intuitive LED display for easy Morse code decoding.
  • Accurate and swift message translations every time.
  • High-quality materials ensure durability and reliability.
  • Stable performance without glitches or interruptions.
  • Ideal for enthusiasts and DIY electronic projects.
  • Versatile tool for creative Morse code applications.
  • Compact design for convenient portability and storage.
  • Average Rating out of 5:
  • Price Range: 0
18

Marhynchus Double Paddle Morse Code Key

  • 3.5mm standard stereo interface for easy connection.
  • Compact size, lightweight, and easy to install.
  • Side magnetic damping for simpler tapping operation.
  • Durable dual paddles made from carbon fiber.
  • Reliable performance with silver contact materials.
  • Constructed from premium stainless steel and alloys.
  • Ideal for amateur radio and Morse code enthusiasts.
  • Average Rating out of 5:
  • Price Range: $80.93
  • Color: Silver
19

Qualtech 17/64" Heavy Duty Stub Drill Bit

  • Premium HSS construction for durability and longevity.
  • 17/64" size for precise drilling applications.
  • Heavy duty design for tough materials.
  • Split point tip for accurate starting.
  • Flute length of 1-7/16 inches.
  • Overall length of 2-5/8 inches.
  • Ideal for screw machine applications.
  • Price Range: $6.12
  • Material: High Speed Steel
20

Sanpyl DC12V Morse Code Decoder

  • High-quality, durable materials for long-lasting use.
  • Compact design fits easily in small spaces.
  • Ideal for outdoor activities and exercise.
  • Portable and lightweight for easy transport.
  • Multifunctional for various radio applications.
  • High efficiency for effective Morse code decoding.
  • Easy setup for quick operation and use.
  • Price Range: $17.75
21

MK Morse 139113 MKM Band Saw Blade

  • High-quality MK Morse band saw blade.
  • Ideal for various cutting applications.
  • Durable design ensures long-lasting performance.
  • Precision-engineered for accurate cuts.
  • Compatible with multiple band saw models.
  • Easy installation and user-friendly.
  • Enhances productivity in woodworking projects.
  • Price Range: $9.64
  • Size: ‎One Size
  • Material: Blend
22

MK Morse Switchback Step Drill (SDSS09)

  • Self-starting design for easy drilling.
  • High-speed steel for durability and performance.
  • Flute design reduces secondary deburring operations.
  • Drills starting from 1/4" to 1-1/8" diameter.
  • Impact-ready shank for versatile use.
  • Resharpenable for extended lifespan and value.
  • Efficient split point for faster penetration.
  • Price Range: $56.28
  • Material: Blend
23

Generic 24" Bit Extension [48-28-4016]

  • Compatible with Milwaukee 48-28-4016 bit extension.
  • 24-inch length for extended drilling reach.
  • Designed for self-feed and auger bits.
  • 7/16" hex shank fits various chucks.
  • Ideal for 1" diameter hole saws and larger.
  • Durable construction for reliable performance.
  • Enhances drilling efficiency in tough materials.
  • Price Range: $78.99
  • Material: Metal
24

SKISUNO M8x16 Door Lock Drill Bit

  • Durable construction for long-lasting performance.
  • Precise hole drilling without shifting.
  • Compatible with various door lock types.
  • Perfect for wood and metal applications.
  • Easy to replace old or damaged bits.
  • Compact design for convenient storage.
  • Ideal for DIY and professional use.
  • Price Range: $11.09
  • Size: ‎5X1.5X1.5CM
25

BAWHO Stainless Steel Spiral Tap (M16 x 2.0mm)

  • High-quality stainless steel construction for durability.
  • Precision M16 x 2.0mm threading for accurate tapping.
  • Straight groove design for efficient chip removal.
  • Suitable for various materials including metal and plastic.
  • Compatible with multiple drill sizes: M2 to M12.
  • Ideal for hole enlarging and threading applications.
  • Easy to use for both professionals and DIYers.
  • Price Range: $32.05
  • Color: M10 x 1.5mm