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The BOSCH line of countersinks are great for deburring and chamfering openings to pre-drilled holes. Great for electrical, plumbing and HVAC contractors. BOSCH countersinks cut varied materials cleanly and accurately. With standard high-speed steel and super hard titanium-coated bits, these countersinks perform great in even the toughest materials.
From the Manufacturer
Bosch HCSTP2083 1/2 x1 11/16-inch Drop in Anchor Stop Bit
MagnumSeven
2025-09-01 13:45:19
I'm a big Milwaukee fan. However, we were using both these and Milwaukee, and the Milwaukee stop bits broke at the stop disc, and we haven't had any issues with the Bosch bits.
SR Harris
2025-08-30 16:51:22
Right tool for the job. Makes it fast and simple.
Jason Stolz
2025-08-26 13:09:20
Have used this bit atleast 100 times still works great no issues or problems with it yet
Ryan O'Shea
2025-08-22 13:54:49
Anyone drilling anchors should have one
Aurelio Guzman
2025-08-20 14:02:29
Very nice and handy
Sonia B.
2025-08-16 14:31:40
I have this one and the dewalt version. I prefer the dewalt stopper but they are both great. I have drilled approximately 300 holes so far and it’s still good poured concrete no rebar no decking. For the price I would say buy it.
Exelente es muy buena para el trabajo
2025-08-12 12:25:03
Para abril huevos en el concreto
fitter66
2025-08-06 18:13:50
Works great
Alex Ciampa
2025-07-29 13:36:54
Had this for about a month now. I’m a high rise plumber and do a lot of hanging pipe which requires hangers and this drill bit drills the perfect length for 3/8 long shots. Great product still sharp after a month use!
Gianluca Galdame
2025-07-19 11:32:42
Bueno
Alexander Kurliand
2025-07-05 19:14:35
Perfect bit!
M Sh
2025-06-14 15:11:48
Good quality.
MagnumSeven
2025-06-11 18:02:16
I'm a big Milwaukee fan. However, we were using both these and Milwaukee, and the Milwaukee stop bits broke at the stop disc, and we haven't had any issues with the Bosch bits.
SR Harris
2025-05-31 18:26:52
Right tool for the job. Makes it fast and simple.
Jason Stolz
2025-05-28 13:12:12
Have used this bit atleast 100 times still works great no issues or problems with it yet
Ryan O'Shea
2025-05-13 12:12:07
Anyone drilling anchors should have one
Aurelio Guzman
2025-04-29 13:52:12
Very nice and handy
Sonia B.
2025-04-09 10:50:00
I have this one and the dewalt version. I prefer the dewalt stopper but they are both great. I have drilled approximately 300 holes so far and it’s still good poured concrete no rebar no decking. For the price I would say buy it.
Exelente es muy buena para el trabajo
2025-03-26 20:17:10
Para abril huevos en el concreto
fitter66
2025-03-16 11:42:01
Works great
Alex Ciampa
2025-03-05 20:57:08
Had this for about a month now. I’m a high rise plumber and do a lot of hanging pipe which requires hangers and this drill bit drills the perfect length for 3/8 long shots. Great product still sharp after a month use!
Gianluca Galdame
2025-03-01 13:15:21
Bueno
Alexander Kurliand
2025-02-25 10:26:46
Perfect bit!
M Sh
2025-02-08 11:52:48
Good quality.
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