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Product Details

General purpose, roll forged drill bit, produced to DIN338 standard. For drilling holes in steel, cast iron, non-ferrous metal and plastic.

Technical Specification
Brand Toolpak
Manufacture ID GCJT040
Delivery details
Order value: Under £10 £10 & over
Express usually Next Business Day before 6pm £5 Free
Turbo usually Next Business Day before 12 noon £10 £5
Remote areas standard delivery (2-4 days) £5 Free
Order Value: Under £25 Over £25 but less than £75 £75 & Over
£10 £5 Free


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

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Click & Collect details
If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 5 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 8pm Mon-Sat (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Reviews
Cobalt Drill Bit 4mm (2 Pack) is rated 4.4 out of 5 by 76.
Rated 5 out of 5 by from Good but cheap Really good quality and strong despite having to drill over 100 holes in short time.
Date published: 2019-10-03
Rated 5 out of 5 by from Brilliant Need to drill manifold exhaust studs of my BMW R1150 RT. Drilled through them like hot knife through butter.
Date published: 2019-08-24
Rated 5 out of 5 by from Good price and efficient sales process. The price of the product appears to be more than competitive. The purchase procedure was very easy to complete.
Date published: 2019-08-18
Rated 1 out of 5 by from Doesn't do what it says on the tin! bought to drill a hole in cast iron , as stated in catalogue , just about managed to drill 1 hole before it was useless, would not buy again
Date published: 2019-08-18
Rated 5 out of 5 by from Slow & steady: Cobalt is better cutting that HSS Cut like butter through 10mm steel. Managed 4 holes successfully because we cut too fast. The next lasted longer and enabled us to completed the job. Slow sped, oil and a hole punch are vital. Good price and readily available!
Date published: 2019-08-04
Rated 5 out of 5 by from Great on Stainless steel Bought these to drill through 3mm stainless steel. Had previously dulled 3 or 4 HSS bits to drill one hole so tried these. Went through the SS in no time with one bit. Great price compared to other DIY stores.
Date published: 2019-07-18
Rated 5 out of 5 by from Wish I found these sooner After 3 days trying to drill 1 hole through 1 inch thick steel and about ten drill bits I came across this cobalt bit did the next ten holes I needed done in about 12 minutes fantastic
Date published: 2019-07-03
Rated 1 out of 5 by from Use for metal only Needed a solid 13mm drill in a hurry couldnt get a wood drill. Drilled into a piece of timber. Tip snappes off within seconds. Was told these drills are purely for metal and should be used with lubricant. Was given a refund. Thanks toolstation for not quibbling.
Date published: 2019-06-14
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