CORE Module 5 Intro to Power Tools Trade Terms (26)

A granular, sand-like material used to make sandpaper and similar materials abrasive. _______ is graded according to its texture. The _______ number indicates the number of abrasive granules in a standard size (per in or per cm). The higher the _______ number, the more particles in a given area, indicating a finer abrasive material.

• Chuck

• Kerf

• Shank

• Grit

The smooth part of a drill bit that fits into the chuck.

• Chuck

• Kerf

• Shank

• Grit

The channel created by a saw blade passing through the material, which is equal to the width of the blade teeth.

• Chuck

• Kerf

• Shank

• Grit

A clamping device that holds an attachment; for example, the chuck of the drill holds the drill bit.

• Chuck

• Kerf

• Shank

• Grit

The common power supplied to most all wired devices, where the current reverses its direction many times per second. _______ power is the type of power generated and distributed throughout settled areas.

• Ground Fault Circuit Interrupter (GFCI)

• Alternating Current (AC)

• Direct Current (DC)

• Amp Hour (Ah)

An electric power supply where the current flows in one direction only. _______ power is supplied by batteries and by transformer-rectifiers that change AC power to _______.

• Ground Fault Circuit Interrupter (GFCI)

• Alternating Current (AC)

• Direct Current (DC)

• Amp Hour (Ah)

A rating that describes the maximum amps a battery can provide continuously for up to 60 minutes. Drawing more amps than the battery’s rating is possible, but it reduces the amount of time before the battery is drained.

• Ground Fault Circuit Interrupter (GFCI)

• Alternating Current (AC)

• Direct Current (DC)

• Amp Hour (Ah)

A circuit breaker designed to protect people from electric shock and to protect equipment from damage by interrupting the flow of electricity if a circuit fault occurs.

• Ground Fault Circuit Interrupter (GFCI)

• Alternating Current (AC)

• Direct Current (DC)

• Amp Hour (Ah)

A drill bit with a carbide tip designed to penetrate materials such as stone, brick, or concrete.

• Auger Bit

• Forstner Bit

• Masonry Bit

• Step Drill Bit

A drill bit that includes steps which enable the user to cut holes in metal to a desired diameter.

• Auger Bit

• Forstner Bit

• Masonry Bit

• Step Drill Bit