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2025-09-04 14:40:30
Product was as described worked well.
Customer
2025-09-03 11:39:34
Easily drilled through porcelain tile in one minute with water for cooling periodically. These are not meant to last forever in my experience,l. The fact I did a whole shower project with one of the bits makes this set WELL worth the money.
Scott P.
2025-09-02 11:52:18
Can't complain, haven't broken after drilling 3 hardened knives.
Michael Erchul
2025-08-26 13:16:06
To be completely honest, I don't use these as intended. I'm a Locksmith and use them to deburr the cylinder before putting pins in them. It makes the lock operate a lot smoothly for a longer period of time.Unfortunately I got the wrong size and had to order the 1/4" set also. They work pretty good for it's intended use and for my use.
Customer
2025-08-25 14:07:00
Bought these glass drill bit as sacrificial to save using another name brand which are twice the price for the cost of this pack. Well these worked better and last longer. Was able to drill plenty more holes in comparison with name brand bit.
Jeff Browne
2025-08-24 12:57:05
I’ve used glass cutting bits to drill holes in porcelain for years. I know how to lubricate the bit, and always go at a low speed. These only got a quarter inch deep before the tip was completely gone.I bought the pack, and tried three of them, and the tips just dissolved while trying to drill in multiple materials.The only thing this is good for is drilling holes in ceramic tiles and cinderblock.Don’t waste your money!
PointMan
2025-08-22 12:03:10
They may not last long but they make an easy start to an otherwise tough labor.
Andrew Baczkowski
2025-08-18 12:12:42
They work well, but don’t last very long compared to other brands I’ve used.
jaywindy
2025-08-04 18:46:14
After trying lots of different brands with poor results in porcelain I had low expectations for these.To my sprite they are fantastic, drilled 4 holes and still looks like new where Bosch bits 2 holes Ave.
Phillip
2025-06-30 20:06:45
Exelente resistencia si barrenas a baja velocidad no tienes problema de desgaste en la broca
JMC
2025-06-25 15:52:17
Used these to drill through tiles. Very effective and rapid cut. Followed the products recommendation to use cooling water while drilling - would definitely suggest you do so!
BRUCEKER
2025-06-24 17:22:26
Had a recessed broken bolt, then a broken flute, then used these to drill everything out without difficulty, just takes a bit of time. Great for my purpose but haven't used on any ceramics, etc.
Andrew
2025-06-17 18:02:52
Great bit for the price for sure.
michael piraino
2025-06-13 11:06:39
Product was as described worked well.
Customer
2025-05-12 16:44:47
Easily drilled through porcelain tile in one minute with water for cooling periodically. These are not meant to last forever in my experience,l. The fact I did a whole shower project with one of the bits makes this set WELL worth the money.
Scott P.
2025-05-07 11:34:21
Can't complain, haven't broken after drilling 3 hardened knives.
Michael Erchul
2025-05-03 17:51:49
To be completely honest, I don't use these as intended. I'm a Locksmith and use them to deburr the cylinder before putting pins in them. It makes the lock operate a lot smoothly for a longer period of time.Unfortunately I got the wrong size and had to order the 1/4" set also. They work pretty good for it's intended use and for my use.
Customer
2025-04-19 17:21:08
Bought these glass drill bit as sacrificial to save using another name brand which are twice the price for the cost of this pack. Well these worked better and last longer. Was able to drill plenty more holes in comparison with name brand bit.
Jeff Browne
2025-04-18 18:38:30
I’ve used glass cutting bits to drill holes in porcelain for years. I know how to lubricate the bit, and always go at a low speed. These only got a quarter inch deep before the tip was completely gone.I bought the pack, and tried three of them, and the tips just dissolved while trying to drill in multiple materials.The only thing this is good for is drilling holes in ceramic tiles and cinderblock.Don’t waste your money!
PointMan
2025-04-13 10:05:52
They may not last long but they make an easy start to an otherwise tough labor.
Andrew Baczkowski
2025-04-06 14:17:35
They work well, but don’t last very long compared to other brands I’ve used.
jaywindy
2025-03-28 14:07:45
After trying lots of different brands with poor results in porcelain I had low expectations for these.To my sprite they are fantastic, drilled 4 holes and still looks like new where Bosch bits 2 holes Ave.
Phillip
2025-03-27 11:53:35
Exelente resistencia si barrenas a baja velocidad no tienes problema de desgaste en la broca
JMC
2025-02-28 15:24:07
Used these to drill through tiles. Very effective and rapid cut. Followed the products recommendation to use cooling water while drilling - would definitely suggest you do so!
BRUCEKER
2025-02-21 10:49:56
Had a recessed broken bolt, then a broken flute, then used these to drill everything out without difficulty, just takes a bit of time. Great for my purpose but haven't used on any ceramics, etc.
Andrew
2025-02-19 16:39:42
Great bit for the price for sure.
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