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    Unbelievably good.

    2018-10-16 00:34:09

    I stress tested these last night in a 1.5 HP lathe with no coolant. I ran the drill bits in 2mm increments in the lathe tailstock and fed them into a nasty piece of 316 austenitic stainless steel. They performed flawlessly until I plunged the 10.5 mm in at 600 RPM with no coolant, whereupon the cutting edge dulled. I reground it successfully. I ran the remaining drills at 350-200 RPM with no coolant and they all cut perfectly. This is astonishing for the price. To celebrate I started making a drill

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    2019-05-03 09:10:42

    Good bits for the money. Impressive and sharp. Handle steel with no issues.

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    2019-03-13 06:09:36

    Vrtáky jsou velmi dobré!!Sice jsem ješte nezkoušel jak jsou kvalitní při vrtání,naostření je také na vynikající úrovni.100% doporučuji všem ke koupi!je by bylo dobre kdyby byly lepe zabalené,jelikož se tak kvalitní produkt při špatném zabalení může poškodit.

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    paco

    2019-02-20 07:38:38

    van perfectamente

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    boas brocas... só faltou um estojo

    2019-01-16 09:20:35

    otimas brocas... bem usinadas e afiadas... mas faltou um estojo

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    Super duper Drills

    2018-09-12 05:31:40

    I have bought them again - since the are the are besides carbide drills the best so far you can buy.

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    135 deg Cobalt drill bit.

    2019-01-15 21:59:18

    I empty my old drill bit box and put in the new ones. But than I get this information from Irwin.com Material Cobalt 135° Wood/Drywall Not Recommended Sheet Metal Not Recommended Mild Steel Acceptable High Alloy Steel Recommended Stainless Steel Recommended Cast Iron Recommended Aluminum, Brass & Copper Not Recommended Plastic Not Recommended I tested a 8 mm bit on aluminum and brass, they works ok, the hole looks nice, but not fast as

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    Fantastic quality drills

    2018-07-09 12:13:20

    Great quality drills recommended in every way especially for the great price they sell at.

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