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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 router bits are distinguished for their careful selection of materials, exactly calculated cutting geometry, long bit life, extra sharp cutting edges and low vibration. We offer more than 500 items in solid carbide, carbide tipped and high speed steel varieties.
Michael
Reviewed in the United States on February 19, 2023
There is some confusion about the dimensions of this bit, even a Bosch rep answered a question inaccurately. Please see the attached photo.
Rob
Reviewed in Canada on June 30, 2018
Does well on Carbon Fibre and 7075 T6 2mm aluminum
Blackjack
Reviewed in the United States on October 10, 2016
Great product but read dimensions carefully. This model used to be 1/2 cutting surface but now it's only 7/16. My fault for not reading the description better. This is the model I've always used so I typed it in and ordered it without looking.Updated: after contacting Bosch about the dimension discrepancy they informed me that all Bosch bits with this model number have 1/2 cutting surface and couldn't verify where this bit originated. I do not know if this is a genuine Bosch part and I haven't used it yet because this dimension is useless to me. Buyer beware. Changed my 4 star review to 1 because if doubt that it is most likely a knockoff.Updated: Bosch contacted me yet again to inform me that this is in fact a genuine Bosch product. The discrepancy comes from it being an older model number. Instead of referencing the cutting length this product is referencing the flute length. A lot of research put into this put product seems legit now and Bosch makes the best bits available.
KC
Reviewed in the United States on November 24, 2015
Good product. Satisfied with the performance.
james lucas
Reviewed in the United States on November 18, 2013
a ruoter bit is what it is. as long as its sharp and stays in the chuck there's no much else to it. this bit fulfilled all of these requirements but after less than 1/2 an hour running time it broke. the cutting portion broke off the 1/4 inch shank. i was only cutting wilsonart countertop laminant so there was no extreme stress involved. thus the two star rating. i am assuming it to be defective rather the inhierant to the product. i have used other bosch bits and my experience with them is that they don't remain sharp very long.
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