Best Core Drill Bits Comparisons and Specifications


Bosch 8 Piece Glass and Tile Bit Set

Bosch

7.6
  • PRECISION: Features Bosch’s unique product design with a precision tip to help solve any bit wandering or bit walking.
  • QUALITY: This glass and tile set includes a high-quality carbide tip with a reinforced head to reduce stress, prevent bit cracking and the diamond ground cutting edges provide a longer life.
  • VERSATILE: Perfect for common applications such as relief holes for glass cutting, bathroom and shower installs, drilling and fastening mirrors, setting concrete screws in tile and many more.
  • RELIABLE: The three flat shank provides superior grip on large bits 5/16 in. and larger to prevent slippage. The Bosch GT2000 bit set is easy to use while still providing best-in-class speed so you can get the job done faster.
  • INNVOATIVE: Featuring the Bosch branded, innovative geometry allows bits to drill faster. Stay organized with the Brute Tough Storage Case. Included drill bit sizes: 1/8 in., 3/16 in., 1/4 in., 5/16 in., 3/8 in., 1/2 in., 5/8 in., 3/4 in.
  • BATTERIES REQUIRED : No
  • BATTERIES INCLUDED : No
  • INCLUDED COMPONENTS : .
  • ITEM PACKAGE QUANTITY : 1
  • MATERIAL : Carbide
  • STYLE : 8pc
  • COLOR : Silver
  • SIZE : .....
  • PACKAGE DIMENSIONS : 9.9 x 7.6 x 1.2 inches
  • ITEM WEIGHT : 3.36 ounces
  • PART NUMBER : GT3000
  • SHIPPING WEIGHT : 15.2 ounces

30 Pack 1mm Diamond Drill Bit Jewelry Beach Sea Glass Shells Gemstones Lapidary 30pcs. 1/24 Inch Necklaces Earrings

DRILAX

8.0
  • Set of 30 pcs. 1mm Diamond Drill Bits - 1/8 shank
  • Fits drills, flex shafts and dremels.
  • Used by Jewelry Designers for drilling clean holes
  • Drills Beach Sea Glass, Sea Shells, Rocks, Marbles, etc.
  • For Making Earrings, Pendents and Bracelets.
  • BATTERIES REQUIRED : No
  • BATTERIES INCLUDED : No
  • ITEM PACKAGE QUANTITY : 30
  • MATERIAL : Diamond Coated Steel
  • PACKAGE DIMENSIONS : 5.9 x 2.5 x 1 inches
  • ITEM WEIGHT : 3.2 ounces
  • PART NUMBER : SK92015
  • SHIPPING WEIGHT : 3.2 ounces
  • MEASUREMENT SYSTEM : Inch, Metric

AFUNTA 8 pcs Center Drill Bit Set

AFUNTA

7.6
  • PRECISE POSITIONING: No displacement, sawdust will be automatically discharged from top of hole on both sides, drill bit will not be blocked.
  • 7 DIFFERENT SIZE: Come with most common hinge screw sizes 5/64", 7/64", 9/64", 11/64", 13/64", 5mm, 1/4".
  • AUTOMATICAL DISCHARGE: Sawdust will be automatically discharged from the top of the holes on both sides, without drill blocked. Never miss the center of the hole again, references from the hinge bevels.
  • EASY TO REPLACE: Different hardness wood, need different centering drill, you just need take the screw apart and replace the drill.
  • EASY TO INSTALL: Unique design and perfect punch effect. Applicable for the installation of the door hinge. Easy to use and install, change bits fast which one-handed load and release.
  • BATTERIES REQUIRED : No
  • BATTERIES INCLUDED : No
  • MATERIAL : Metal
  • PACKAGE DIMENSIONS : 4.6 x 3.2 x 0.9 inches
  • ITEM WEIGHT : 0.64 ounces
  • PART NUMBER : AF-center_drill_bit
  • SHIPPING WEIGHT : 15.2 ounces

Werkzeug Self Centering Hinge Tapper Core Drill Bit Set

Werkzeug

8.6
  • Center Drill Bit: Werkzueg center drill is made of high speed steel drill bit and quenching treatment shell designed. High hardness, durable and superior drilling performance
  • Satisfy all you demand: Hinge drills come in 8 different sizes: 5/64', 7/64'', 2 of 9/64'', 11/64'', 13/64'', 5mm and 1/4". With 1 hex key and 8 replacement drill bits
  • Excellent Design: Automatic positioning center enhance accuracy and efficiency. Double-sided hole design fast and automatic discharge sawdust from the hole on both sides
  • Multipurpose: Perfect for hinges, handles, drawer slides, woodworking and etc. Suitable for professionals and DIYer
  • Important: Use low speed when drilling . Too fast speed will off center, break the bit or jammed
  • BATTERIES REQUIRED : No
  • INCLUDED COMPONENTS : 8* Werkzeug Center Drill Bits, 1*Hex Key, 8*Replacement Drill Bits
  • ITEM PACKAGE QUANTITY : 1
  • MATERIAL : Other
  • COLOR : silver
  • SIZE : Pocket Size
  • PACKAGE DIMENSIONS : 6.9 x 4.6 x 1.9 inches
  • ITEM WEIGHT : 1 pounds
  • PART NUMBER : center-1
  • SHIPPING WEIGHT : 1 pounds

SHDIATOOL 6PCS Diamond Core Drill Bits Set

SHDIATOOL

9.2
  • 6pcs/set Dry diamond drilling core bits
  • Dry/wet drilling for porcelain tile, granite, marble, stone, Masonry, brick...
  • *Diameter 6-16mm:35mm Max working depth, 10mm Diamond height, Total Length 62mm*
  • *Diameter 19-152mm:50mm Max working depth, 15mm Diamond height, Total Length 75mm*
  • *5/8"-11 Female Thread, Recommended Machine: angle grinder, If you fit them on electric drill or other machine, you need an adapter*
  • BATTERIES REQUIRED : No
  • BATTERIES INCLUDED : No
  • ITEM PACKAGE QUANTITY : 6
  • MATERIAL : Artificial diamond and Steel body
  • COLOR : Black
  • SIZE : 06 08 10 25 35 51mm
  • PACKAGE DIMENSIONS : 5.2 x 3.6 x 3.4 inches
  • ITEM WEIGHT : 1.65 pounds
  • PART NUMBER : SA854S23
  • SHIPPING WEIGHT : 1.65 pounds

Stadea ADC105K Core Drill Bit Adapter

STADEA

9.4
  • Diamond core drill bit adapter for threaded core drill bits hole saw, 3/8" triangle shank to 5/8" 11 threaded male
  • Connects to core bits with 5/8" 11 threaded female arbor, and changes to connector to 3/8" triangle
  • High quality hardened alloy
  • Adapter for Drilling and Grinding Concrete, Glass, Granite, Stones
  • Overall length: 2 1/2", Shank length: 1 1/2"
  • SHIPPING WEIGHT : 3.4 ounces
  • PRODUCT DIMENSIONS : 2.5 x 2 x 1.2 inches ; 3.36 ounces

Toolocity cbadptr_0038 Adapter

Toolocity

7.8
  • Transform 5/8"-11 female arbor to 3/8" Triangle male shank
  • Fits all tools with 5/8-11 female thread
  • Usually for diamond core bits and back holders
  • BATTERIES REQUIRED : No
  • BATTERIES INCLUDED : No
  • INCLUDED COMPONENTS : one adapter
  • ITEM PACKAGE QUANTITY : 1
  • MATERIAL : steel
  • COLOR : Black
  • ITEM WEIGHT : 4.2 ounces
  • PART NUMBER : cbadptr_0038
  • SHIPPING WEIGHT : 4 ounces
  • PRODUCT DIMENSIONS : 2 x 1 x 2 inches
  • NUMBER OF HANDLES : 1
  • ASSEMBLED DIAMETER : 0.6 inches

SHDIATOOL Diamond Core Drill Bits 1-3/8 Inch

SHDIATOOL

9.6
  • 1pc 1-3/8 inch vacuum brazed diamond drill Ccore bits for porcelain ceramic tile.
  • Diameter 1-3/8 inch; Connection: 5/8-11 arbor; Diamond height 15MM,Total height: 75MM.
  • Machine: Angle Grinder; Remark: *Max working depth: 50mm*.
  • Dry/wet drilling for porcelain tile marble stone masonry brick normal stone.
  • High quality Diamond Grain provide fast and smooth drilling.
  • BATTERIES REQUIRED : No
  • BATTERIES INCLUDED : No
  • ITEM PACKAGE QUANTITY : 1
  • MATERIAL : Artificial diamond and Steel body
  • COLOR : Black
  • SIZE : 35mm
  • PACKAGE DIMENSIONS : 3.2 x 1.5 x 1.5 inches
  • ITEM WEIGHT : 6.4 ounces
  • PART NUMBER : A854751535
  • SHIPPING WEIGHT : 6.4 ounces
  • POWER SOURCE : corded-electric

Bosch ITPH235B Impact Tough 3.5 In. Phillips #2 Power Bits

Bosch

10.0
  • 10x life over standard impact bits
  • Xtended torsion zone helps to absorb high-torque of new impact drivers
  • Precision-engineered tips for a tighter fit and less CAM out
  • Heat-treated manufacturing for stronger bit
  • High-visibility sleeve with laser-etched markings for user convenience
  • BATTERIES REQUIRED : No
  • INCLUDED COMPONENTS : Impact ToughTM 3.5 In. Phillips® #2 Power Bits
  • ITEM PACKAGE QUANTITY : 1
  • ITEM WEIGHT : 6.2 ounces
  • PART NUMBER : ITPH235B
  • SHIPPING WEIGHT : 6.4 ounces
  • MEASUREMENT SYSTEM : Metric
  • PRODUCT DIMENSIONS : 6.2 x 3 x 0.3 inches

SPTA 60Pcs Diamond Drill Bit Burrs Diamond Grinding Head Mounted Burr Point Set

SPTA

7.8
  • ◆60pcs Diamond Burrs - Excellent for fine detail work, cutting, engraving, carving, touch-up and finishing; Work on glass, metal , stone, ceramic, wood, plastic
  • ◆Sold Storage Box - PC plastic box is sturdy, falling resistant and moistureproof, easy for carrying and hanging; All parts were in order and set was complete, well organized to prevent scattered and confused
  • ◆Different Diameter Bits Accessories - 1mm, 2mm, 3mm router bit can reach More Carving, Great for all types of detail work.
  • ◆Wide Usage - 1/8" diameter shanks, compatible with most rotary tools; Suitable to be used with hand drills, flex shafts. Highly recommended for jewelers, lapidary use, hobbies, crafts, craft modeling, home repair and so much more.
  • ◆What You Will Get - SPTA-60Pcs diamond drill bit burrs, 5Pcs 3mm twist drill bit and our best service
  • BATTERIES REQUIRED : No
  • BATTERIES INCLUDED : No
  • ITEM PACKAGE QUANTITY : 65
  • MATERIAL : Other
  • COLOR : 65Pcs 1mm,2mm,3mm Diamond Burr Sets
  • PACKAGE DIMENSIONS : 7.9 x 6.2 x 1.6 inches
  • ITEM WEIGHT : 9.1 ounces
  • PART NUMBER : QA1826B2
  • SHIPPING WEIGHT : 9.1 ounces
  • MEASUREMENT SYSTEM : Metric
  • POWER SOURCE : corded-electric