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Diamond Coated Glass Drill Bits

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  • How to Drill and Aquarium and install an Internal Overflow

Diamond Coated Glass Drill Bits


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30 mm Diamond Coated Glass Drill Bit
SKU: 203000
Earn 8 Reward Points
35 mm Diamond Coated Glass Drill Bit
SKU: 203003
Earn 10 Reward Points
42 mm Diamond Coated Glass Drill Bit
SKU: 203005
Earn 13 Reward Points
45 mm Diamond Coated Glass Drill Bit
SKU: 203001
Earn 14 Reward Points
48 mm Diamond Coated Glass Drill Bit
SKU: 203006
Earn 14 Reward Points
60 mm Diamond Coated Glass Drill Bit
SKU: 203002
Earn 20 Reward Points
65 mm Diamond Coated Glass Drill Bit
SKU: 203007
Earn 20 Reward Points
75 mm Diamond Coated Glass Drill Bit
SKU: 203004
Earn 23 Reward Points
85 mm Diamond Coated Glass Drill Bit
SKU: 203008
Earn 29 Reward Points
  • Very good By Terry on 2/5/2015

    Packaged Well and on time. worked good with no problems
  • Good product and easy to use By INoPungBish on 2/4/2015

    Was hesitant about using this product, but found it was easy. It's a couple dollars cheaper on glass-holes.com, but the reliability of shipping is much better here. Would recommend product and purchasing here again.
  • excellent By Claude on 12/29/2014

    Great quality for the price
  • Excellent By Jay on 12/16/2014

    I was a bit nervous about drilling this tank. I followed the instructions on the BRS video and used the diamond hole saws. It took about 90 seconds per hole to drill and turned out amazingly well. A very simple procedure.
  • Good drill at a good price By Bruce on 12/14/2014

    Drilled 6 tanks with one bit so far with no signs of slowing down. ( 3/16 glass with the 30mm bit )The price had me skeptical about the quality but I have no doubts now. Just a couple minutes per hole with a good water flow using a cordless drill.
  • Nothin to be afraid of. By Franklin on 11/28/2014

    I was initially worried that this product was going to disappoint me. After the first and second hole this was definitely not the case, 5 holes with 1 bit and all of which have smooth edges.

    i was outside and had water handy but i didn't use it. I used extra virgin olive oil and it was mere minutes per hole.

    If you're a nervous wreck how I was at first, just man up and have fun!
  • very good By mac on 11/24/2014

    Drilled 4 holes in 2 40 gallon breeders for my diy sump. Worked great. Was nervous about thing especially one tank was marineland with thinner than aqueon glass, it come out ok. I only used battery powered diewalt. Recommend to anyone
  • Got the job done By Brandon on 11/12/2014

    Drilled three holes in 3/8" glass using the 45mm saw. It took a good 1.5-2hours per hole. Holes were clean with minimal chipping but it took MUCH longer than any saw I've bought locally at HD or Lowes.

    Not sure if it's just cheap quality or mine was defective but can't expect much for the cheap price these go for.
  • Awesome product/good quality By Steve on 11/12/2014

    I used this to cut 4 holes in 3 40gal breeder tanks for my sump area. This drill bit was easy to use and left me with a clean finish around the edges of the holes I cut. I am very pleased with this product and would definitely recommend and purchase again.
  • Worked as advertised By Dylan on 11/6/2014

    I was nervous drilling holes in a brand new aquarium for the first time but this bit got the job done. After two holes drilled, I'm sure it could do a few more. I would purchase again if needed.

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