Glasweld Drill &Bits windshield repair drill is advanced windshield repair technique.
When you need to terminate the end of a long crack or open up a tight rock chip, it’s time to bust out the drill.
This is an advanced windshield repair technique. With the Zoom, drilling is rarely needed. Always practice on a piece of scrap glass before drilling a repair.
Drill bits are cutting tools used to remove material to create holes, almost always of circular cross-section. Drill bits come in many sizes and shapes and can create different kinds of holes in many different materials. In order to create holes drill bits are usually attached to a drill, which powers them to cut through the workpiece, typically by rotation. The drill will grasp the upper end of a bit called the shank in the chuck.
Drill bits come in standard sizes, described in the drill bit sizes article. A comprehensive drill bit and tap size chart lists metric and imperial sized drill bits alongside the required screw tap sizes. There are also certain specialized drill bits that can create holes with a non-circular cross-section.
While the term drill may refer to either a drilling machine or a drill bit while in use in a drilling machine, in this article, for clarity, drill bit or bit is used throughout to refer to a bit for use in a drilling machine.
Drill bit geometry has several characteristics:
- The spiral (or rate of twist) in the drill bit controls the rate of chip removal. A fast spiral (high twist rate or “compact flute”) drill bit is used in high feed rate applications under low spindle speeds, where removal of a large volume of chips is required. Low spiral (low twist rate or “elongated flute”) drill bits are used in cutting applications where high cutting speeds are traditionally used, and where the material has a tendency to gall on the bit or otherwise clog the hole, such as aluminum or copper.