DeWalt Straight Shank Cobalt HSS Drill Bit 3.5 x 70mm… (9720V)

£ 5.49INC VAT

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DeWalt Straight Shank Cobalt HSS Drill Bit 3.5 x 70mm 2 Pack (9720V)

Optimised tip geometry penetrates material faster, removes dust faster and reduces heat build-up, making it durable and long lasting. The 3 flats provide a positive lock on the chuck for clean and accurate holes.

  • No-Spin Shank

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Rated 1 out of 5 by from Absolutely rubbish. I purchased these bits because my ryobi drill bits wouldn't drill through a stainless steel wall tie, 4mm thick. I saw these and thought they are the ones for the job. But no, after about 20 seconds the tip became red hot and just melted away. So i put the other one in my drill, just the same. Went back to screwfix and bought the eauber bits, 5 pack. Used three but got my hole drilled. 5 drill bits one hole. I'm gonna buy a gas torch if i need a hole in another wall tie.
Date published: 2021-08-10
Rated 4 out of 5 by from Efficient drilling I was struggling to drill a hole in a stainless steel hinge. Picked the drill up and it did the trick. Friendly staff member made it a pleasant and successful little project.
Date published: 2021-04-09
Rated 5 out of 5 by from Perfect for the job! Had bought cheaper HSS drill bits for a job on stainless steel- and broke 2! Bought this Cobalt bit and went through the steel no problem. Excellent.
Date published: 2021-01-18
Rated 5 out of 5 by from Best bits ever for steel Have used these a number of times before for fitting blinds into the lintel and they cut brilliantly and last a very long time. Use a dab of machine oil/WD40 as you go and you will drill fast and prevent the bit overheating.
Date published: 2020-06-03
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Specification
Brand DeWalt
Drill Bit Type HSS
Manufacturer Guarantee 1 Year Guarantee
Model No DT4903-QZ
Pack Size 2
Pieces in Pack/Case 2
Product Diameter 3.5 mm
Product Length 70 mm
Product Type Cobalt HSS Drill Bit
PTA Shank Type Straight Shank
Suitable Drilling Applications Metal
Working Length 39 mm