"These screws i have always used now for over 8 years.
They really do drive in well, drive them in and they are cold but when you drive them out they are very hot. They heat up like a soldering iron once the wax coating comes off so not very good if you wanted to re-use the screw after you take it out of the job.
The only fault i find with them is this wax coating, if you don't fully drive the screw home in one or two goes they lock-up and become really hard to drive fully home afterwards. I presume this is due to the wax coating burning up as the screw cools down after being driven in with your drill driver.
This means you need to get the knack of using them in particular materials, chipboard or MDF particularly. Once you get comfortable in driving them home first time then these screws come into a league of their own.
They also work great in wall plugs, really do work well. No need to pay the extra for a higher branded screw if you don't need to.
They do seat a countersink but don't think they will cut a countersink, they will split the wood so don't be mislead by the title."
2 of 2 people found this review helpful.
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Review 9 for Goldscrew Woodscrews Double Self Countersunk 6 x 80mm 100 Pack
"Bought these for fixing 6' slats for a new fence I was building. I like these slightly larger screws to ensure the boards are held securely and stop the warping as they dry out. Easy start when driving and they just sink into the wood with ease. Brilliant range by Screwfix!"