Cobalt Pro Drill Bit 6mm

By Heller Product code: 42541 Pack size: Each

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Product Details

Split point (3mm) upwards, and 135° point angle for optimum starting.
Compliant with DIN338 RN for outstanding hole dimensional accuracy.

Technical Specification
Brand Heller
Manufacture ID 212359
Delivery details

Covid-19 Update

  • Free Next Business Day delivery for orders over £25 to home and site is available for orders placed before 6pm Mon-Thurs and before 6pm Sunday
  • Saturday and Sunday delivery is now available for orders placed before 6pm on Friday for Saturday delivery and 4pm Saturday for Sunday delivery, see here for details
  • Pre-12 delivery service is now available. Place your order before 6pm Mon – Fri for next business day delivery by 12pm. Orders placed after 6pm Friday and before 6pm Sunday will be delivered by 12pm Monday. UK mainland
  • Once your order has been dispatched you will receive an invoice email with the courier details and your tracking number
  • Alternatively go to MyAccount, click on your Order History, click on the TRACK icon to link through to the carrier website and the tracking details for your delivery
  • Delivery direct from suppliers is now available and specific delivery times will be displayed on the product page
Order Value: Under £25 Over £25 but less than £75 £75 & Over
Next Business Day Delivery (Mon-Fri) usually before 6pm £5 Free Free
Pre-12 Delivery before 12 noon Next Business Day £10 £5 £5
Remote areas standard delivery (2-4 days) £5 Free Free
Saturday Delivery (order by 6pm Friday) delivered before 6pm £10 £5 Free
Sunday Delivery (order by 4pm Saturday) delivered before 6pm £10 £5 Free

Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details

Covid 19 Update

Click & Collect

  • Branches are now fully open and operating safely in line with government guidelines
  • Safe contactless collection is available 7 days a week at our branches
  • Our branches are open 7am-8pm Monday-Friday, 7am-7pm Saturday and 9-4pm Sunday
  • Keeping our colleagues and customers safe and well and respecting stringent social distancing requirements is our number one priority – 2 metre rule enforced
  • Please see our guide to click and collect below

  • Please ensure that your mobile number is added so that we can text you when your order is ready to collect
Cobalt Pro Drill Bit 6mm is rated 4.3 out of 5 by 63.
Rated 1 out of 5 by from Appalling performance I bought this drill bit to cut a single hole in a piece of metal 5ml thick. I read the reviews and thought it sounded ideal. The result was beyond disappointing it was appalling. The drill tip wore down and after several attempts it was impossible to finish the job as it didn't drill through the metal. I shall be returning it to tool station today and see what happens.
Date published: 2020-11-04
Rated 1 out of 5 by from Useless broke first use Half way through a hole and it sheared, no real pressure and drilling through mild steel. Very unimpressed for a expensive bit
Date published: 2020-09-24
Rated 5 out of 5 by from Good drill bits Bought 4 of these to drill a load of holes in stainless. Only needed 1. Brilliant and still going strong. Worth spending the little bit extra.
Date published: 2020-08-03
Rated 1 out of 5 by from Doesn’t live up to description Poor didn’t drill through stone slab at all performance not as stated
Date published: 2020-08-02
Rated 5 out of 5 by from Very high quality bit Highly recommend heller cobalt bits. Had 104 holes to drill on mild steel frame. Bought dewalt, toolpak and presto cobalt bits and they didn't perform well at all. Didn't expect Heller cobalt to do well but it outperformed the competition and still sharp.
Date published: 2020-07-31
Rated 5 out of 5 by from Cobalt bits, Great bit Cobalt bits are a lot better than normal bits and these didn’t let me down great bits. Keep sharper for longer.. I use these it’s in battery drills, electric drill and my Pilar drill and they work great At all speeds.
Date published: 2020-07-22
Rated 5 out of 5 by from When all other drill bits fail I can't saily I've got a huge amount of experience but years ago I bought a 4.6mm drill bit from Heller and I'll never go back. Absolutely nothing would cut though the hardened steel bolt I was drilling out, not hss or anything, I'd snapped 2 different bits I had spare before coming back to buy this one and literally 2 seconds in it actually unscrewed the pin for me! Imagine that! Just the biting power alone of the drill bit was enough to rip the bolt out in one piece where others couldn't even leave a dint. So far I'm very impressed, if ever I need another drill bit for metal work HSS is always the top brand and so far tool station have been he best price!
Date published: 2020-07-17
Rated 5 out of 5 by from Steel pipe sorted! Bought some steel pipes to use as posts for shade sails and needed an effective bit to drill holes in the pipe for fixings. These drill bits worked perfectly, quick and easy holes made when other bits had no effect. Well recommended!
Date published: 2020-07-14
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