On the underside of their bugle heads are ridges that cut a nice, neat countersink. ... Spax and GRK screws usually come packaged with a Torx T20 or T25 bit.

The screw has what is referred to as a “bugle head.” It’s meant to pull down into the paper surface of drywall without puncturing it, but can also pull down neatly into softwood lumber.

Fort Huachuca, AZ. - Members of the Fort Huachuca community have noticed more bugle calls and alert testing over the past few weeks. The reason behind that extra noise is a future integration of ...

The screw has what is referred to as a “bugle head.” It’s meant to pull down into the paper surface of drywall without puncturing it, but can also pull down neatly into softwood lumber.