The steel is so soft that I thought they're made of tin! Absolute rubbish and waste of money - you won't screw them into anything, even the softest plastic or wood into a drilled channel. And then you'll have trouble getting them out, unless you have a kit to remove cut-out-head screws.
Verified purchase:Yes | Condition:new | Sold by:2oolz
Sheet Metal Metric Self Tapping Screw Assortment Screws Kit
The quality is good, with a variety of sizes that are there for most jobs that require self tappers. price wise, comparable with other good self tappers that don't break your pockets, All in All good value for money
Verified purchase:Yes | Condition:new | Sold by:unitedtools2011