At FMW Fasteners

fine threads and the self drilling tip make these screws ideal for penetrating and holding into metal framing studs and other types of metal or aluminum framing

The nylon shell acts as an insulator when used in electrical applications

1/2-13 x 7 Grade 8 Hex Cap Screw Yellow Zinc Plated

Ideal for drilling in low and medium tensile strength materials

#24 Heavy Duty Drill Bit - Stubby Length (12) Drop-In Anchor Setting Tools - Clearance At FMW Fasteners#24 Heavy Duty Drill Bit Stubby Length . Designed for use in machines and portable drilling in hard sheet metal alloys such as stainless steel and titanium.