Chocket Type Drill 13 mm Heavy Duty

Quite simply, the larger your chuck size, the larger shank diameter it will accept. Generally, if you want to drill holes larger than 20mm in diameter or drill into materials such as metal, then consider purchasing a drill driver with a 13mm chuck, to accommodate larger bits.The upright drill press (Figure 2) is a heavy duty type of drilling machine normally incorporating a geared drive spindle head. This type of drilling machine is used on large hole-producing operations that typically involve larger or heavier parts.You'll see a list of numbers from 1 to 10 or 20. These are used to set the clutch to deliver a torque range. The higher the number on the collar, the higher the torque and the larger the fastener that can be driven. To adjust your clutch, align the arrow to a lower setting and start driving a screw.