Diamond Coated Glass Drill Bits

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  • How to Drill and Aquarium and install an Internal Overflow

Quick Overview

Save money and time.


Don’t haul your tank all the way to the store to have it drilled. Use our diamond coated glass drill bits.


Drilling glass is actually pretty easy with the correct tools. Diamond coated drill bits will allow you to drill a hole where ever you need in non-tempered glass for bulkheads, or any other plumbing your system desires.


For drill bit and bulkhead compatibility please see Full Details below.

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  • Quick Overview

Save money and time.

Don’t haul your tank all the way to the store to have it drilled. Use our diamond coated glass drill bits.

Drilling glass is actually pretty easy with the correct tools. Diamond coated drill bits will allow you to drill a hole where ever you need in non-tempered glass for bulkheads, or any other plumbing your system desires.

For drill bit and bulkhead compatibility please see Full Details below.More

Diamond Coated Glass Drill Bits

97% Recommend this to a friend (140 of 144)

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30 mm Diamond Coated Glass Drill Bit
SKU: 203000
$16.99
 
 
35 mm Diamond Coated Glass Drill Bit
SKU: 203003
$19.99
 
 
42 mm Diamond Coated Glass Drill Bit
SKU: 203005
$21.99
 
 
45 mm Diamond Coated Glass Drill Bit
SKU: 203001
$22.99
 
 
48 mm Diamond Coated Glass Drill Bit
SKU: 203006
$23.99
 
 
53 mm Diamond Coated Glass Drill Bit
SKU: 203011
$24.99
 
 
60 mm Diamond Coated Glass Drill Bit
SKU: 203002
$26.99
 
 
65 mm Diamond Coated Glass Drill Bit
SKU: 203007
$27.99
 
 
75 mm Diamond Coated Glass Drill Bit
SKU: 203004
$29.99
 
 
85 mm Diamond Coated Glass Drill Bit
SKU: 203008
$32.99
 

Availability: In stock

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Product Questions

Can you drill tempered glass with the diamond bits? I have heard not....
Question by: Daniel on Oct 29, 2013 10:04:00 AM
Hi Daniel,
No you cannot drill tempered glass. If your glass is tempered there isn't really any modifications that can be done to it as it will shatter. Fortunately most aquariums do not use tempered glass (though its more common on the bottom panel).
Answer by: Bulk Reef Supply on Oct 29, 2013 10:04:00 AM
I would like to get a couple of drill bits for a 1" bulk head and a 3/4" bulkhead, problem is I don't know what type of bulkheads they are, SCH OR ABH.
Question by: Carlos on Jan 25, 2016 10:35:00 AM
Great question!
ABS is always a black plastic color. Schedule 80 will be gray. In most cases the bulk heads in the hobby are ABS. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Feb 3, 2016 12:09:00 PM
I have a 45mm will it work on a 3/4 sch 80 bulkhead or will it be to big?
Question by: Ryan on Jan 3, 2014 9:38:00 AM
The 45mm drill bit would be the ideal drill bit for a 3/4" sch80 bulkhead.
Answer by: Bulk Reef Supply on Jan 3, 2014 9:38:00 AM
What size bit will I need for 1/2" SCH 80 bulk heads?
Question by: Kendall on Jul 20, 2016 9:10:00 AM
Hi Kendall,
For a ½” Sch 80 bulkhead we suggest using a 35mm glass whole saw.
Answer by: Charlie (Admin) on Jul 20, 2016 12:18:00 PM
How many holes can 35mm and 45mm bit cut before it isn't an idea cutter ?
Question by: Louis V. on Jan 23, 2016 8:15:00 AM
Great question!
You could get around 6 cuts per drill bit before the bit tends to slow down. Feel free to let us know if you have any further questions!
Answer by: Connor (Admin) on Jan 28, 2016 4:06:00 PM
Do these glass drill bits work for acrylic also?
Question by: Barbara on Jan 31, 2014 4:22:00 PM
Hey Barbara,
For acrylic you just need a plain toothed hole saw bit like the set linked below, no need for a diamond coated drill bit.
http://www.bulkreefsupply.com/catalog/product/view/id/386/
Answer by: Bulk Reef Supply on Jan 31, 2014 4:22:00 PM

Full Details

Drill bit & Bulkhead Compatibility

 

30mm Glass Drill bit works with our 1/2" ABS Bulkheads.

 

35mm Glass Drill bit works with our 3/4" ABS Bulkheads.

 

42mm Glass Drill bit works with our 3/4" heavy duty SCH 80 Bulkheads.

 

45mm Glass Drill bit works with our 1" ABS Bulkheads.

 

48mm Glass Drill bit works with our 1" heavy duty SCH 80 Bulkheads.

 

53 mm Glass Drill bit works with our 1.25" ABS Bulkheads

 

60mm Glass Drill bit works with our 1.25" heavy duty SCH 80, and 1.5" ABS Bulkheads.

 

65mm Glass Drill bit works with our 1.5" heavy duty SCH 80 Bulkheads.

 

75mm Glass Drill bit works with our 2" ABS Bulkheads.

 

85mm Glass Drill bit works with our 2" Heavy Duty SCH 80 Bulkheads.

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Reviews

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  • 45 mm Diamond Coated Glass Drill Bit By William on 11/23/2016

    Exactly as described Great service
  • Amazing drill! 35 and 45mm By Marduk on 11/21/2016

    It was my first time to drill my tank, and this product was easy to work, I recommend it! greetings from México!
  • Dulls quickly By Mack on 9/29/2016

    3/4" bit got dull before finishing the 1st hole through 1/2" glass. Second hole took almost and hour to drill
  • Drilled my first tank! By Dan on 9/9/2016

    I drilled my 40 breeder frag tank with this bit and it worked flawlessly! I couldn't be more happy with the end result. I was very nervous as this was my first time drilling glass but I went nice and slow and used the drill guide which in my opinion is a must.
  • Bits work great By Chris on 9/4/2016

    Drilled two holes with the 60mm and one with the 48mm. Was super easy, had no problems.
  • Definitely Worth It By LogTech on 8/1/2016

    My buddy and I have been reefing together for about 2 years now. We've cut simple tanks, 1/4" glass, but recently, I got a 220 custom tank I needed to drill the bottom for my returns and overflows. Whoever built this thing went nuts and used true 3/4" glass all around, but also inserted a true 1/2" piece of glass on the bottom, including a 1/4" polycarbonate sheet. We got the 48mm bit and went to town. Cut 5 holes through all of it and did an amazing job in the process. Probably used this thing way past its life, but it didn't seem to care.

    If you need to cut some glass, use these bits.
  • Worked great. Reasonable price By Todd on 5/2/2016

    Worked great. Reasonable price
  • Product does what it's designed to do By John on 4/29/2016

    For some reason mine cut a square. Just kidding y'all! I've purchased 3 of these hole saw bits from BRS. They work great and are perfectly priced!
  • Works weill..... By 787will on 4/2/2016

    These work well and BRS always used to be my go to place for glass drill bits but they've recently raised the prices on these by more than 50%!!!! what gives?!?! once again it feels like members of this hobby are being taken advantage of.
  • Worked great for two holes By James on 2/21/2016

    I was nervous drilling my first tank but after i did the first one i had no hesitation in the second one. It seems like it could do more holes, but now it is no longer necessary.
  • Works beautifully when used with care By Jack on 12/12/2015

    I've only tested my 60mm bit on a scrap plate of 1/4 glass on my drill press(@500rpm), using food grade machinery lubricant. With this arrangement I was able to cut several immaculate holes with a minimum effort.

    It's worth noting that the coated tip of the bit has a tendency to work itself dry of my oil based lubricant once a deep groove has been cut into the glass. I found that the bit cut far smoother if I lifted it from the groove every 5-10 seconds momentarily and allowed oil to seep back in.
  • Nice tool By Brent H on 12/9/2015

    Used the same bit on 5 holes and it's still sharp