"Are you drilling glass or tile?
Get your FREE drilling guide..."

Diamond Core Bits

Diamond Core Bits
For Glass and Tile



Discover how easy it is to drill glass and tile...in minutes. FREE drilling guide. FREE shipping.

Diamond core bit, diamond hole saw, glass hole saw. Three names for one diamond drill bit.

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“You’re a lifesaver! Your information for
drilling glass, was wonderful. THANK YOU!”

--Becky C. in Erie, PA
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Have you ever drilled glass, wine bottles or glass block? Download the 6 page Helpful Hints Drilling Guide. It’s FREE. Click here to download your copy and learn how to drill glass.

With these diamond drills you'll:
  • drill glass block
  • drill wine bottles
  • drill ceramic tile
  • drill porcelain and china


The 1/2" Diamond Core Bit is the most popular size for putting strings of lights inside glass blocks and wine bottles.

Click here for your 1/2" Diamond Core Bit

Your order includes:
  • FREE "How To Drill Glass" instruction guide so that you don't waste your drill bits, glass, time or money.
  • FREE shipping saves you money
  • 100% money back, no risk guarantee


A diamond core bit and some easy to follow instructions were all they needed. You're next! Are you ready for the compliments, rave reviews, hugs and high fives?
  • A diamond core bit cuts out the "circle of the hole". Then the middle part (the plug) just falls out. Easy!!
  • Use diamond core bits to drill holes in thick glass like glass block and wine bottles.
  • Use diamond hole saws to drill holes in tile, porcelain, ceramics or soft rocks like limestone.


For drilling granite or marble, see our Granite Drill Bits

"Your drilling tips are very helpful. Thank you."
--D.G. in Stewartsville, NJ

Diamond Core Bit Set 3/4", 1" and 1 1/2"  Save $15
Regular price: $173.50
Sale price: $47.99, 2/$79.99
Diamond Drill Set Wine Bottles & Glass Block Save $11
Regular price: $82.00
Sale price: $18.95, 2/$32.22
Bird Feeder - Bird House Drilling Set w/Instructions
Regular price: $78.95
Sale price: $24.90, 2/$42.33
1/8"  Diamond Core Bit for Glass & Tile
Regular price: $18.10
Sale price: $7.75, 10/$63.00, 25/$133.75
3/16" Diamond Core Bit for Glass & Tile
Regular price: $18.90
Sale price: $7.95, 10/$65.00, 25/$138.00
1/4" Diamond Core Bit for Glass & Tile
Regular price: $18.45
Sale price: $8.45, 10/$69.00, 25/$146.50
5/16" Diamond Core Bit for Glass & Tile
Regular price: $19.10
Sale price: $8.85, 10/$73.40, 25/$156.00
3/8" Diamond Core Bit for Glass & Tile
Regular price: $22.30
Sale price: $9.95, 10/$81.60, 25/$173.50
7/16" Diamond Core Bit for Glass & Tile
Regular price: $32.30
Sale price: $11.95, 5/$50.90
1/2" Diamond Core Bit for Glass & Tile
Regular price: $39.00
Sale price: $12.99, 5/$55.99, 20/$189.99
9/16" Diamond Core Bit for Glass and Tile
Regular price: $41.00
Sale price: $14.00, 5/$63.00
5/8" Diamond Core Bit for Glass and Tile
Regular price: $43.00
Sale price: $16.50, 5/$67.65, 20/$230.00
3/4" Diamond Core Bit for Glass & Tile
Regular price: $47.00
Sale price: $17.60, 5/$74.80, 20/$254.32
7/8" Diamond Core Bit for Glass & Tile
Regular price: $47.00
Sale price: $18.80, 5/$79.90
1" Diamond Core Bit for Glass and Tile
Regular price: $56.00
Sale price: $20.25, 5/$86.05, 20/$344.20
1 1/8" Diamond Core Bit For Glass and Tile
Regular price: $60.75
Sale price: $21.95, 3/$55.99
1 1/4" Diamond Core Bit for Glass & Tile
Regular price: $60.75
Sale price: $21.95, 5/$93.30, 10/$158.60
1 3/8" Diamond Core Bit For Glass and Tile
Regular price: $63.25
Sale price: $22.59, 3/$57.59
1 1/2" Diamond Core Bit for Glass & Tile
Regular price: $70.50
Sale price: $24.90, 2/$39.95, 10/$179.90
1 3/4" Diamond Core Bit for Glass & Tile
Regular price: $76.70
Sale price: $30.25, 5/$128.55, 10/$218.53
2" Diamond Core Bit for Glass & Tile
Regular price: $81.00
Sale price: $37.95, 2/$64.52
2 1/2" Diamond Core Bit for Glass & Tile
Regular price: $97.40
Sale price: $37.40, 2/$61.44
3" Diamond Core Bit for Glass & Tile
Regular price: $108.06
Sale price: $40.65, 2/$69.12
3 1/2" Diamond Core Bit for Glass & Tile
Regular price: $120.05
Sale price: $45.15, 2/$76.76
4" Diamond Core Bit for Glass & Tile
Regular price: $135.65
Sale price: $51.25, 2/$87.12
Drill Bit Guide
Regular price: $18.40
Sale price: $12.00
1" Diamond Core Bit for Glass & Tile
Regular price: $56.00
Sale price: $41.00, 2/$69.70
Diamond Core Bits - The Smaller Sizes - Save $21
Regular price: $116.75
Sale price: $15.99
DiamondBurs.Net LLC
1227 Rockbridge Rd.
Suite 208-164
Stone Mountain, GA 30087
We don't currently have a retail storefront location.
1-404-382-8122 (Phone)

1-706-407-4447 (Fax)

Office Hours: (Monday-Friday) 8:00AM to 4:00PM EST

All orders received by 3:00PM (EST) are shipped the same business day.

Thank you for your business. Please send questions, comments, and suggestions: Guy Reddick by email.

Thanks again!