PRIME-LINE L 5628 Plunger Latch Step Drill, 1/8 in. to 7/32 in. (Single Pack)

This Step Drill by Prime-Line Products is constructed of hardened steel and features two diameters in one, for specifically for use when installing aluminum screen plunger bolts. It is used to drill 2 different diameter holes in one single pass for installation of screen plunger bolts into the screen frame. The drill diameters include a 1/8 in. and a 7/32 in. bit diameter, and the larger diameter is only intended to pass one layer of the hollow aluminum screen frame. For best results, follow the installation instructions included with each package.

Constructed of hardened steel to provide durable and lasting usage

Used to drill two different diameter holes in one pass

Features a 1/8 inch diameter which drills through both layers of aluminum screen frame, and a 7/32 bit diameter for drilling through top layer of screen frame

Designed for use with hollow aluminum screen frames

Easy to install with only a few simple tools

For further dimensional and specification information, please see the line drawing