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You’d think manufacturers have done just about everything possible to make drill bits perform better, but it seems they still have a few tricks up their sleeves. Colt, a German drill bit manufacturer, recently introduced some new bits with what almost looks like a four-flute design.

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Made of alloy steel, the Twinland brad point bits use a 25º flute with a recessed land — the land is the raised area of the spiral bit. By creating a void in the land, the design removes chips faster and helps prevent one cause of burning, where chips get between the land and the hole wall. The second “land” surface also is supposed to improve guidance and accuracy.

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Colt designed the bits to be used in soft and hard woods, wood veneers, and wood laminates. The bits between 3/8″ and 3/4″ have 3/8″ shanks, so you can use them in smaller drills.

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You can buy the bits individually or in sets; a set of seven bits including 1/8″, 3/16″, 1/4″, 5/16″, 3/8″, 7/16″, and 1/2″ sizes costs about $20.

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8 Responses to Colt Twinland Drill Bits

  1. jesse says:

    Any idea what the country of origin is? The price sounds kind of cheap for German made.

  2. woodworker01 says:

    Looks Like a speedbor max bit, but longer.

  3. fred says:

    Horst Miebach GMBH is probably best known among pen turners for their Colt brand parabolic flute drill bits

    http://colt-tools.com/

  4. ThatOneGuy says:

    I have some bits similar to this made in Germany and they are crap. I think every single one has runout.

  5. fred says:

    @ThatOneGuy

    Not that driill bit flutes may not be ground off-axis – but you might also want to check your drill press for runout.

  6. Dave says:

    I am in need of some good bits. Anyone have a recommendation? I would like a full set, up to, but not including spade bit sizes. Preferable 1/16 increments. Mostly for wood, but I need metal bits too.

  7. ThatOneGuy says:

    @Fred

    No runout on the drill press. My point was, just because something is made in Germany doesn’t mean its good. I have some cheap Taiwan HSS bits that were much better than the German set I bought. I do have some Colt brand bits though and they are quite nice.

  8. fred says:

    @ThatOneGuy

    Amen to that – as I’ve found out over the years – not everything made in the USA is of the best quality or design – the same seems true for the quality appelation that goes with Swiss Made, German made and so on. Our auto industry seemed to stumble a bit from the time I thought Oldsmobiles were the car to buy (late ’60s and early ’70′s) and then quality issues had us migrate to Japanese cars – only to find out (no real surprise) that not all of them were created equal. While Deming and others helped turn many companies in Japan into paradigms of quality – some got the message less well than others. When I bought my first Makita tools – I thought they were of much lower quaility than what came from Porter Cable , Milwaukee and others. I bought them based on price and features – but thought their cheap plastic housings, vinyl clad power cords and internal gearing were rather poor performers. They too got the message and certainly improved. I still try to buy the best quality I can consistent with the intended purpose and expected use. I like forums like Toolmonger when they provide reader comments that give some insight into build quality and performance. I will not slavishly buy American, German, Japanese, Swiss or anything else – but do recognize that there a quality tool manufacturers operating in many different countries. The reality is that more and more of what’s being offered for sale is made in China and a lot of what we buy seems to have planned obsolescence built in or at least factored into design considerations. I see very little in the way of new portable power tools being produced of the same build quality as our old PC 503 sanders, Versaplanes and Supersawcats. Maybe the fault is not in the stars (to quote from Hamlet) but in us who decry prices set by folks like Festool and their more expensive compatriots like Protool or Maffell. One of my associates asked me recently about why is their no cheap Chinese lipping planer – I decided not to look for one.

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