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DeWalt DT7920B Extreme Drill Bit Set (13 Pieces) £9.99 (Prime) £14.44 (Non-Prime) @ Amazon
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DeWalt DT7920B Extreme Drill Bit Set (13 Pieces) £9.99 (Prime) £14.44 (Non-Prime) @ Amazon

12
Posted 18th Dec 2019

This deal is expired. Here are some options that might interest you:

Price matching FFX website.

For drilling sheet metal or thin materials (also suitable for wood and plastics). * 4 times faster and 50% stronger than standard HSS drill bits * cleaner, more accurate burr Free holes * Gold ferrous oxide coating prevents overheating and prolongs life sizes: 1.5 - 7mm in 0.5mm increments and 3.2mm.

Features

- Tough storage case for drill and/or screwdriver bits designed to withstand worksite conditions
- Drilling steel, alloyed & non-alloyed, sheet metal or thin materials, where accurate burr-free holes are required.
- Also suitable for use in wood and plastics
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12 Comments
You'd be better off buying individual cobalt bits from Toolstation, I'm sure these are 50% stronger than HSS but HSS are dreadful so not really a bragging point. Cobalt bits last forever, a few years ago I had to drill About 20 X 16mm holes in RSJs, I went through about a dozen HSS bits and had drilled even less holes before someone told me about cobalt, I bought 3 silverline cobalt bits but 1 bit drilled the lot and showed no sign of giving up. I'll never drill metal with anything else again.
You're just buying the brand here.

toolstation.com/pow…c82
My goto bits for drilling metal, grab a bit in wood but work. Ordered & thanks OP
you_gotta_be_kidding18/12/2019 09:04

You'd be better off buying individual cobalt bits from Toolstation, I'm …You'd be better off buying individual cobalt bits from Toolstation, I'm sure these are 50% stronger than HSS but HSS are dreadful so not really a bragging point. Cobalt bits last forever, a few years ago I had to drill About 20 X 16mm holes in RSJs, I went through about a dozen HSS bits and had drilled even less holes before someone told me about cobalt, I bought 3 silverline cobalt bits but 1 bit drilled the lot and showed no sign of giving up. I'll never drill metal with anything else again.You're just buying the brand here.https://www.toolstation.com/power-tool-accessories/cobalt-drill-bits/c82


Cobolt bits are for hardened, stainless ect, i use them for drilling locks , but super weak, they snap very easy,
Better buying from FFX as it's free delivery for everyone and then have the option of cashback from TCB on top
Edited by: "Wizzfizz" 18th Dec 2019
you_gotta_be_kidding18/12/2019 09:04

You'd be better off buying individual cobalt bits from Toolstation, I'm …You'd be better off buying individual cobalt bits from Toolstation, I'm sure these are 50% stronger than HSS but HSS are dreadful so not really a bragging point. Cobalt bits last forever, a few years ago I had to drill About 20 X 16mm holes in RSJs, I went through about a dozen HSS bits and had drilled even less holes before someone told me about cobalt, I bought 3 silverline cobalt bits but 1 bit drilled the lot and showed no sign of giving up. I'll never drill metal with anything else again.You're just buying the brand here.https://www.toolstation.com/power-tool-accessories/cobalt-drill-bits/c82


I’ve picked up cheap cobalt bits from evilPay that have done me well. HSS is ok with quality bits, taking it slow and not lifting them overheat.
you_gotta_be_kidding18/12/2019 09:04

You'd be better off buying individual cobalt bits from Toolstation, I'm …You'd be better off buying individual cobalt bits from Toolstation, I'm sure these are 50% stronger than HSS but HSS are dreadful so not really a bragging point. Cobalt bits last forever, a few years ago I had to drill About 20 X 16mm holes in RSJs, I went through about a dozen HSS bits and had drilled even less holes before someone told me about cobalt, I bought 3 silverline cobalt bits but 1 bit drilled the lot and showed no sign of giving up. I'll never drill metal with anything else again.You're just buying the brand here.https://www.toolstation.com/power-tool-accessories/cobalt-drill-bits/c82


Agreed but remember to use drilling gel as well to keep the drill bit cool.

I wouldn't agree with Silverline though. I found the brand to be total gash.
Edited by: "Argyll68" 18th Dec 2019
Argyll6818/12/2019 10:44

Agreed but remember to use drilling gel as well to keep the drill bit …Agreed but remember to use drilling gel as well to keep the drill bit cool.I wouldn't agree with Silverline though. I found the brand to be total gash.


Some of their products are brilliant. For example in my business we have 2 glue guns on all day for packaging, we've gone through dozens, maybe over 100, including some costing £300-£400. We then tried a £20 28w silverline one and they are the best of the lot in every way.
you_gotta_be_kidding18/12/2019 15:48

Some of their products are brilliant. For example in my business we have 2 …Some of their products are brilliant. For example in my business we have 2 glue guns on all day for packaging, we've gone through dozens, maybe over 100, including some costing £300-£400. We then tried a £20 28w silverline one and they are the best of the lot in every way.


I assume you live by your username. Everyone I know won't go near that brand.

The guy in Toolstation always says something like "yes we have it in stock but it's Silverline"
I've had this set for years. Really handy. Don't overlook the fact that the box is excellent. As your most used bits wear out just replace them with single high quality bits from the likes of dormer. Could perhaps consider this as a more expensive alternative: amazon.co.uk/Dor…p_3
Blimey this is a great price... often about £22 at most places. Note they have a 2 stage cutting head and can be quite a coarse cut when you first drill and the smaller head bites in. Certainly much sharper than the average HSS bit when drilling into steel.

I used these on some 2mm steel bodywork (on an industrial vehicle) and they cut through with relative ease, they do throw out big chunks of steel as you cut though.
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