#12 x 1" Teks Self-Drilling Screw - Hex Washer Head - #3 Pt - Steel - Zinc Plated - Pkg of 100

Help secure wood to metal without pre-drilling. The steel screw is ideal for use with metal of a thick gauge. Special wings ream a hole in the wood to prevent thread engagement during drilling. No pre-drilling required.

Lag Screws are heavy duty fasteners used to connect heavy lumber or other materials that bear a strenuous load. They are manufactured from low carbon steel and can be used with lag shields in a variety of masonry applications, such as concrete, brick, and mortar. Lag Screws can also be used where standard wood screws are too short or small. In some applications, a pilot hole may be pre-drilled to prevent splitting or snapping. ASME B18.2.1 cover the requirements for steel lag screws.

Tek 5 Self-Drilling Screws are manufactured from cold-heading steel and feature a #5 drill point. The unique tip design allows them to drill, tap, and fasten metal to metal objects in one operation, without the need to pre-drill. This creates the optimal drill performance and thread forming experience. The most common applications are used on metal to metal, but they can also be used in a wide variety of other applications. Features: Drill, Taps and Fastens in One Operation It is made up of Carbon Steel

12-24X2 Phillips Flat Self Drill Screw #4 Point with Wings Full Thread Zinc Bake. Self drilling screws have point to cut through material and eleiminate the need to drill a pilot hole. Flat head screws are used when protrusion of the fastener above the mating surface is unacceptable. Typically 100 degree flat or for fastening softer materials, 82 degrees flat.

Teks #12 x 1-1/2 in. Zinc-Plated Steel Hex-Head Self-Tapping Drill-Point Screws provide secure metal-to-metal fastening without the need to pre-drill. They are ideal for fastening thicker gauge (20 - 12 Gauge) metal-to-metal in applications such as heating, ventilation and air conditioning.