I have them in various lengths, even the longest go in easily without pre-drilling, but I pre-drill on longer lengths more to get the item straight in than not just drive. I use a Dewalt 996 1/2 cordless tool and it goes through drywall and wood studs very consistently. There was no problem breaking or stripping the torx heads on the screws, use a good low speed, high torque drill bit.
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