10-16 x 1 1/4 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Black Phosphate 7/8-9 NE while the medium size provides

while the medium size provides a secure hold for a wide range of bolt and nut sizes

which means that it has a high tensile strength and can be used in demanding applications

The #3 head provides a wide bearing surface for increased clamping force

it features a 1/4-20 internal thread and six sharp prongs that dig into the material

10-16 x 1 1/4 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Black Phosphate 7/8-9 NE while the medium size providesThese 10 16 x 1 1 4" Phillips Bugle Head Full Thread Self Drilling Drywall Screws in Black Phosphate are designed for superior performance in drywall applications. Their sharp point and self drilling capabilities allow for easy penetration into metal studs without pre drilling, saving time and effort. The full thread design provides maximum holding power, while the black phosphate coating offers corrosion resistance for added durability. Ideal for