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Drillpro 99Pcs M35 Cobalt Drill Bit Set 1.5-10mm US$39.85 (~A$51.65) Delivered @ Banggood

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BG3859665
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Update: Added some other cobalt drill bit sets

These are great quality cobalt drill bits. There’s several YouTube reviews of these outperforming much pricier sets (links below). If you’re not familiar with cobalt drill bits, they’re made from steel alloy with 5-8% cobalt added and are basically designed for drilling very hard abrasive materials such as stainless steel and cast iron, although they can also be used for softer materials. They can also be sharpened without losing their heat resistance, an advantage over titanium drill bits as the titanium coating wears off when sharpened. Cobalt drill bits can withstand very high drilling temperatures, which results in less damage to the drill bit, so although they may cost more initially they should last longer than titanium drill bits.

YouTube Review Links Testing some M35 COBALT drill bits & Drillpro M35 Cobalt Drill Bit Set from Banggood

To get price in title

  • Apply promo code BG3859665 at checkout

Note: Title prices include GST. Approximated AUD price, based on today's MasterCard rates, paying in USD.

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closed Comments

  • https://www.bunnings.com.au/craftright-99-piece-titanium-coa…

    Looks exactly the same as this, what's the difference?

    • +9

      Cobalt bits are far harder than Titanium coated - per the description.

      Something like this is a fairer comparison
      https://www.bunnings.com.au/full-boar-25-piece-cobalt-metric…

      • +1

        Oh fair enough, I didn't notice that.

        • Don't worry I was rushing to do the same thing until I reread the cobalt part in the description

    • The craftright are titanium coated, not cobalt. Notice the difference in colour, cobalt is infused into the alloy and is a dull gold colour while the titanium bits have a bright gold coating.

    • +5

      Look up the difference between HSS (M2) Steel vs HSS M35 Steel. If the manufacturer doesn't advertise what type of HSS Steel it is, then it's likely M2. With M35 Steel, addition of cobalt makes it much better to drill through harder materials, but it does make the bit a bit more fragile and you can snap it a little bit easier too if you aren't careful.

      HSS M2 Steel: cheaper, lower heat resistence, less brittle: works fine for woods, plastics, plasterboard
      HSS M35 Steel: more expensive than M2, higher heat resistance, more brittle: better for use with metals, also works fine for woods, plastics, plasterboard but price might not justify it if you have to do a lot of drilling through less hard materials with the slightly higher risk of snapping the bit

    • +1

      Still a good price what you list though,
      this seems to be the same kit just in a different box
      https://au.banggood.com/Drillpro-99Pcs-Titanium-Coated-Twist…

    • +1

      not the same, bunnings bits are cheap Titanium-coated crap

    • Craft right are good for a bit of craft wood, nothing more.

  • I'd rather save $31 and get the Bunnings kit again. It's lasted me over a year of good use, sure a small bit might break from time to time but it's only $19.99. It's a personal preference whether you trust/think it's worth it for you and your use.

    • +1

      The Bunnings kit is really not comparable unless you're only drilling timber.
      As soon as you start drilling hard steel, these will do the job faster and easier and will last longer.

    • +1

      Depending on your use case the Bunnings kit has no chance of working.

      I was trying to drill holes in Stainless steel to mount a racing seat to my GT Omega cockpit. Broke 7 titanium and managed to drill one pilot hole.

      Bought two Cobalt bits (one small bit for pilot hole and one 11mm for the bolt) and drilled all four for my mount in no time.

      I don't know that the risk of snapping with cobalt mentioned above is accurate in my experience. You can drill with a lot less pressure with the cobalt bit so I found myself less likely to break them.

    • Bunnings don't make a Cobalt set that saves you $31…

  • Seems like a decent kit, however as usual they include heaps of the smaller sizes and only a few of the mid-size, exactly opposite to what the average DIYer needs

    • -1

      Yeah seriously 15x1.5mm are they serious? Most people would only need 5-10mm for most applications

      • +6

        Small bits are more prone to breakage.
        All of my bit sets are missing the small bits as a result.

      • 1.5mm drill bits are easy to snap
        In my current drill bit set all the small drill bit spots are empty because of this

    • Out of genuine curiosity, how often do the bigger bits break? Or is the issue of not many large ones a different issue (e.g. losing / having more is just convenient)?
      I've snapped far too many tiny ones but I've only worked on pretty small scale woodwork-y projects and not so much DIY reno stuff.

  • From my own experience trying to drill out some broken/rusted screw heads with some not so good quality titanium drill bits does not work (aldi/hss bandgood/frost). The drill bits won't even cut into the screw. I finally managed to buy some Dewalt drill bits recommended from this https://www.youtube.com/watch?v=xgQeSrsAXgE. $27 from ebay. The dewalts bits were very good and drilled out the screw heads without issues.
    So hopefully these will be the same quality or better.

    • Had a similar experience. The cheap ALDI bits I had on hand couldn't get through a single screw head, went to Bunnings and paid the $4 or whatever it was for a single Sutton piece and had all 12 screws out in about 10 minutes. I now just have a full set of Suttons that I can replace individually if they break. It's not worth the frustration messing around with cheap bits.

  • That is a bloody awesome price for that many pieces.. i love hard sharp knives and definitely love hard sharp drill bits… cobalt is the way to go especially with step drill bits… "titanium coated" is not a comparable product.

    Anyways, thanks OP. .gonna get a set

    EDIT
    Ah nuts.. only in 2mm-10mm.. would be awesome for a trade though for sure

  • Thanks OP!

  • Would anyone know of a smaller comparable set, half the number of bits for say around half the price?

  • Anyone want to split half the drill bits in Sydney? Would have loved to have a wider range but the 12-14mms would cost a bomb.

  • thanks, looks good.

  • Willing to split with someone in Melbourne.

    Pm me

  • +5

    There's a series on YouTube called China Tools if anyone is interested. He gets a lot of this Drillpro stuff from Banggood and gives pretty detailed reviews, it's a great series of episodes to get lost in.

    • I never knew about this, thanks for letting me know.

      I'm curious to know how the Chinese are catching up in the hand tool space.

      Years ago China was pretty crusty, Taiwan was better. I'm going to watch his content for education.

      The Chinese must be doing something good.

      Several big German brands are now producing products in Asia. Wera are doing it, Wiha have pretty much moved bit production to Vietnam. Stahlwille make their wrenches in Taiwan. And Gedore have there Red line which is Taiwan (but priced correctly).
      TBH: Everything above is NOT China, so maybe they are haven't caught up with Taiwan.

      For me I'll stick with German made. But some tools are just eye watering prices considering the amount of times I'll use it. I'm in the market for two new digital torque wrenches. Need to be digital. For the limited amount of times I'll need it I can't justify it German made. Had my eye on the Stahlwille ones, untill I got a quote.

  • Paypal checkout seems to have no way to enter the code so it seems you need to sign up to get the discount.
    Goods ship from China so expect slow delivery and GST (another $5.17 unless I missed something).

  • I got "This coupon can only be used 50 times." am I missing something?

  • Expired - "This coupon can only be used 50 times."

  • Last year I had to drill through cast iron in several places which was about 4mm thick. It was hell until I went out and bought a cobalt drill bit kit from Bunnings which happened to be on the bargain table for $6 down from $30 odd. Unsure what % of cobalt they had (Bosch brand) but it cut through that iron like butter. I couldn't believe the difference it makes!

    I would have got this kit if I was quicker.

    • I'm not sure Bosch make HSS-Co twist bits.

      To be honest, iron, cast iron or even harded iron is one of the softest metals to drill in. It's heavy as f**k but very soft.

      • I thought it was bosch, must have been another brand. Yeah my old bits were rubbish, with the new bits each hole was filled in a few short second

        Since this deal is back on again, do you recommend buying these?

  • On AliExpress for AUD$55.54 + GST + AUD$1.85 shipping. Looks like the same kit but in a different case.
    https://www.aliexpress.com/item/1005001705269922.html

    • +1

      The set with metal case is cheaper at Banggood with coupon BGF98227, have updated OP to include product link.

      • Comes up as 63 even with coupon

        Coupon: -AU$25.09
        Shipping Fee: AU$0.00
        Shipping insurance:AU$1.74
        Grand Total:AU$63.78

        • Remove shipping insurance so total at BG should be A$62.04 vs AliExpress A$63.53.

          • @adr8: Ah I see. thought it was $54~ All good i'll skip the metal box.

  • Can still get that price as a group buy, not sure how that works

  • +4

    Coupon is working again.

  • This is an amazing price. Colbalt is pretty expensive and this set is amazingly cheap.

    I paid multiple times more then this for an 19 piece 8% cobalt set. This was some time ago. But they are German made, so that's expected, German made tools don't come cheap.

    I'll research this a bit more. Insanely cheap.

    BTW: these are split point, 135° which is great to use, but can't be sharpened without some the correct sharpener. But at this price if they're good, just get another set.

    BTW. My 2¢. Get HSS or HSS-Co. Forget about those coated ones (e.g. coated Ti, Co), they don't offer anything more then what HSS gives you. If you need to drill into SS or you want better heat management then pony up for the HSS-Co.

  • Thanks OP, got a set. Been looking for replenishment stock for all those tiny bits that keep snapping. On another note, I’ve still got a years old titanium coated craftright set discussed above and the larger (odd) sizes are for the most part still ok. The smaller and frequently used sizes have been replaced many times over. The case though is the best in the business ;)

  • If any one wants to split 1/2 the bits in Sydney PM me

    • who gets the case?

      • Split in half use the use drill bits

  • i go through the 99pc $15 bash set from ebay, hopefully these are better quality for $50

  • How are you finding the coupon codes? Any for the other M35 cobalt sets?

    • Have added some other M35 sets to OP

      • That’s awesome, thank you. Picked up a smaller set of 1-6.5 as those are the only ones I’ve managed to snap.

        Still though - how are you getting these codes?! Amazing.

        Can you do it for the M42 (8% cobalt) set?

        • There's a spreadsheet going around with all the coupons that gets updated daily, I asked the rep and she was kind enough to give me access, same with the GearBest rep they gave me access to theirs also.

          No coupons for the M42 yet, will post another deal if I find any as this deal has been quite popular.

  • +1

    Coupon BG3700L worked fine for other Drillpro items for me:
    - Drillpro Woodworking Precision Clamping Square L-Shaped 140mm
    - Drillpro 100x70mm 90 Degree Corner Square Ruller Wide Base

  • Are these discount codes still valid? Don't work for me.
    BG3859665
    BGF98227

    • Appears that they have all expired.

  • +1

    received it today.

  • +1

    received today, look amazing

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