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These cutters sets are suitable for working with both ferrous and non-ferrous metals,cast iron, stainless steel, aluminum, copper, and plastic,wood, in either plate or pipe form
Material: HSS-AL.Hardness: HRC 65~68 Size: M3: 5.9 (blade diameter) * 3.2 (boot) * 6 (shank diameter) * 45 (full length)
M4: 7.4 (blade diameter) * 4.2 (boot) * 6 (shank diameter) * 48 (full length)
M5: 9.5 (blade diameter) * 5.2 (boot) * 6 (shank diameter) * 51 (full length)
M6: 11.0 (blade diameter) * 6.2 (boot) * 8 (shank diameter) * 58 (full length)
M8: 14.0 (blade diameter) * 8.2 (boot) * 12 (handle diameter) * 67 (full length)
fits most standard magnetic drills and machine tools such as mills and large drill presses with tool holders
Package Included: 1 Set(5pcs) x Countersink Mill Cutters
These cutters sets are suitable for working with both ferrous and non-ferrous metals,cast iron, stainless steel, aluminum, copper, and plastic,wood, in either plate or pipe form
Daniel K.
Reviewed in the United States on January 5, 2024
Picture attached has my own labels with my own measurements of each size. I've cut 1018 steel and 304 stainless steel and plastic. They seem to do the job. As for packaging labels, they where hard to read, thus I relabeled them. Keep them oiled for rust prevention.
Papa's CNC Workshop
Reviewed in the United States on January 27, 2024
I drilled 16 5.5m holes and needed to counterbore the 16 holes. I ordered these Pilot Slotting Counterbore End Mill Cutters to use and after 3 holes the pilot tip broke and now I will have order another cutter to finish my job!
Zack
Reviewed in the United States on March 5, 2022
For m5 button head screws, you need a cutting diameter of 9.5mm, and for m6, 11mm. The product description states that these are the cutting diameters, but they’re way off from what’s actually received. I contacted seller and she offered to refund 50% of the purchase price if I keep it, but why would I keep these expensive paperweights? I exchanged the first one for a new one to get the correct product. Second one I received was the exact same dimensions as last time. Overall, no, these do not work as stated and if you need the correct cutting diameter listing, order a different brand.
Customer
Reviewed in the United States on August 17, 2021
The edge that cuts the bottom of the hole should have a rake ground on it so that it cuts. I used the M3 size on aluminum and really had to crank on the feed handle. I can't imagine this working in steel.
John plowright
Reviewed in Canada on July 17, 2021
Vendor sent 2m3pieces There was no m8 as stated in specs
Jason Adams
Reviewed in the United States on March 20, 2021
These have no problems counterboring some extruded v-rail for 3D printer frames.
Simon C
Reviewed in the United States on July 9, 2019
Good quality at a good price. Thanks.
Mitch Virlee
Reviewed in the United States on June 6, 2019
Worked perfectly for counterboring a steel scope rail.and they are extremely sharp,they cut through steel like butter
Gary B.
Reviewed in the United States on May 31, 2019
Everything
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