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  • Loneman
    2020-06-20 14:47:43

    Well sharpened and with a relief grind on the back/trailing edge, flutes are sharp too for good chip evacuation in deeper holes. I'm expecting these to stay sharp much longer than normal HSS drills, they go through acrylic, aluminium, cast iron and mild steel with ease and no need for pilot holes, although more accurate with. If they're good enough for doubleboost then it's excellent for me.

  • sl2513
    2019-10-22 00:58:07

    Свёрла пришли быстро. Некоторые имеют не симметричную заточку (мелкие). В работе пока не проверял.

  • yaire
    2020-10-12 06:04:21

    very good

  • 2020-03-05 02:10:02

    adekwatna cena do jakosci

  • 2020-01-04 01:12:47

    Jól néz ki

  • 2019-11-10 12:44:45

    Seems good, I haven't tried it yet

  • 2019-11-14 17:54:42

    Süper ürün

  • vnc889
    2017-09-26 08:51:17

    They are delivered coated with some factory sticky oil for corrosion protection. It can be cleaned with some mineral spirits. This is normal for many unfinished metal bits. Do not remove the coating if you are not going to use the drills. The cutting faces are formed correctly and the length is standard. Last ages drilling plastics and wood. These cobalt drill bits should be your last set of drill bits if you learn how to sharpen them. They are very hard and will cut lots of metal before giving

    Comments (2)
  • 2019-09-03 11:17:57

    Заказывал 2 раз,первый комплект в мастерской а второй взял домой.Свёрла хорошие,работают отлично вопросов нет

    Comments (1)
  • Nat
    2018-12-20 11:32:35

    Доставка около пяти недель с момента заказа. Пришли в обыкновенном конверте и пакете.Удивительно,что ничего не вылетело по дороге, но все дошло в целости. Я конечно не профессионал, но видно ,что заточка машинная. На вид внушают доверие, я думаю , что с металлом не будет пробл


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