POWER TOOLS

50 and 90 pounds

A TYPICAL PNEUMATIC PAVEMENT BREAKER WEIGHS BETWEEN:

DIRECT CURRENT (DC)

_________ flows in one direction, from the negative to the positive terminal of the source, such as a battery.

ALTERNATING CURRENT (AC)

___________ reverses its direction at regularly recurring intervals; this type of current is delivered through wall plugs.

MASONRY BIT

a _____ is used to bore holes in brick, block, and similar materials.

ABRASIVE

a ______ is a substance, such as sandpaper, that is used to wear away material.

CHUCK KEY

a ______ is used to open and close the chuck on a power drill.

GROUND FAULT CIRCUIT INTERRUPTER (GFCI)

a _______ protects people from electric shock and protects equipment from damage by interrupting the flow of electricity if an electrical fault occurs.

ARBOR OR SHAFT

a circular saw blade is attached to the _____ of the saw.

POINTS

a detail grinder smooths and polishes intricate metallic work by using attachments called:

REVERSING SWITCH

a device on a power drill that enable a user to back out a drill bit that is stuck in the work material is called a

NUMBER OF DRILL BLOWS PER MINUTE

a hammer drill has a adjustable ring that can be turned to adjust the

LIGHT POUNDING ACTION

a hammer drill has a_______ that enables it to drill into concrete, brick, or tile.

CARBIDE TIP

a masonry bit is able to drill into concrete and similar material because it has a:

PNEUMATIC IMPACT WRENCH

a pneumatic power tool that is best suited for fastening, tightening, and loosening nuts and bolts is a

CLAMP THE MATERIAL BEING DRILLED SECCURELY

a safety rule that apply to electromagnetic drill is:

GRIT

a sand-like material used to make a surface rough, graded by its size, is called ________

CUT WIDER MATERIAL

a sliding compound miter saw has a rail that allow the blade to slide forward and backward, which enables the saw to ______ than a standard miter saw.

TRIGGER LOCK

a small lever, switch, or part that can be used to activate a locking catch or spring to hold a power tool trigger in the operating mode without finger pressure.

COUNTERSINK

a______ is used to set the head of a screw at or below the surface of the material.

TRIGGER LOCK

activating the _______________will make the trigger stay in the operating mode even when it is released.

CHUCK

all bits are held in a drill by the l ______

ANGLE GRINDER

also called side grinders or right angle grinders

ABRASIVE CUTOFF SAW

also referred to as a chop saw or cutoff saw, can be used to make straight cuts or angular cuts through materials such as angle iron, flat bar, and channel. Can be stationary or portable.

POWER DRILL

also used as a sander, polisher, screwdriver, grinder, or countersink.

RIGHT ANGLE DRILL

an example of an electric power drill that is designed to be used in tight spaces is:

BASE PLATE (SHOEPLATE OR FOOTPLATE)

an important part of the saber saw is the the:

PNEUMATIC POWERED NAILER OR NAIL GUN

are common on construction jobs. It greatly speed up the installation of materials such as wallboard, molding, framing members, and shingles.

HAMMER DRILL

are designed to drill into concrete, brick, and tile.

BENCH GRINDER

are electrically powered stationary grinding machine. They usually have two grinding wheels that are used for grinding rust removal, and metal buffing.

WIRE BRUSH AND CUP BRUSH

are good for removing rust, scale, and file marks from metal surface.

PNEUMATIC TOOLS

are powered by air. Electric or gasoline-powered compressors produce the air pressure. Air hammers and pneumatic nailers are examples of pneumatic tools.

ELECTRIC TOOLS

are powered by electricity. They are operated from either an alternating current (AC) source (such as a wall receptacle) or a direct current (DC) source (such as a battery).

HYDRAULIC TOOLS

are powered by fluid pressure. Hand pumps or electric pumps are used to produce the fluid pressure. Pipebenders, jackhammers, and Porta-powers are examples of:

MITER AND CUTOFF SAW

are similar in that both are used to make straight or miter cuts. Both types of saws can be permanently mounted to be stationary, but portable versions of the saws have the convenience of allowing users to move them from a workshop to a work site.

METAL CUTTING BLADE

as a general rule,_________ have more teeth per inch (or per centimeter) than wood cutting blades. The teeth are also smaller.

RECIPROCATING SAW

before using a ____________ to cut through a wall or partition, always find out what is on the other side.

TOOL REST

bench grinder comes with an adjustable _________ This is the surface on which you position the material you are grinding, such as cold chisel head.

STATIONARY GRINDER

called bench grinders, are permanently mounted on a work table or bench

GUARD AND SHIELD

can be added to a portable grinder to provide additional protection when special grinding discs are used.

SIDE HANDLE

can be added to some grinders to improve stability and grip during use.

ADAPTER AND BACKING PAD

can be installed on a grinder's arbor so that different types of sanding discs, wheels, and buffing ads can be used.

BURR BIT

can be used on some grinders to remove rough edges and burrs fro the inside and outside of pipes and other objects. These rotary bits are commonly called:

PORTABLE BAND SAW

can cut pipe, metal, plastics, wood, and irregularly shaped material. It is specially good for cutting heavy metal, but it will also do fine cutting work. It can cut wood although. It is used almost exclusively used to cut metal products.

GRINDING TOOLS

can power all kinds of abrasive wheels, brushes, buffs, drums, bits, saws, and discs. These wheels come in a variety of materials and grits.

POWER MITER SAW

combines a miter box with a circular saw, allowing it to make straight and miter cuts.

ANGLE GRINDER, END GRINDER, AND DETAIL GRINDER

common handheld grinders include:

ELECTRIC, CORDLESS, ELECTROMAGNETIC, HAMMER, PNEUMATIC, ELECTRIC SCREWDRIVER

common types of power drills include:

CORDLESS DRILL

contain a rechargeable battery pack that runs the motor, are useful for working in areas where a power source is hard to find.

GFCI

device protects the equipment from continued electrical current in case of a circuit fault.

CLOTH BUFFING WHEEL

enable a grinder to be used for polishing and buffing metal surfaces.

FLAP DISC

good for removing rust, scale, and file marks from metal surface, but it tend to last longer than fiber discs.

GFCI

ground fault circuit interrupter

CARBIDE TIPPED MASONRY BIT

hammer drill use ______ whenever they are being using in masonry.

MASONRY BIT

has a carbide tip, is used in concrete, stone, slate, and ceramic material.

DETAIL GRINDER

has an arbor that extends from the motor shaft onto which small attachments, called points, can be mounted to smooth and polish intricate metallic work.

500 tons

hydraulic jacks can lift more than:

A PUMP AND A CYLINDER (SOMETIMES CALLED A RAM)

hydraulic jacks have two basic parts:

FORSTNER BIT

if a flat-bottomed hole is needed in a piece of lumber, use a ____________.

WORM DRIVE SAW

is a heavy duty type of circular saw

POWDER ACTUATED TOOL

is a low-velocity fastening system powered by gunpowder cartridges or loads. The tools are used to drive steel pins or threaded steel studs directly into masonry and steel . They eliminate the need for compressed air to operate the tool.

ELECTROMAGNETIC DRILL

is a portable drill mounted on an electromagnetic base. It is used for drilling thick metal.

ELECTROMAGNETIC DRILL

is a portable drill used on thick metal.

WHIP CHECK

is a safety attachment that is used to prevent whip lashing in hoses that are inadvertently uncoupled.

SABER SAW

is a very useful portable power tool. It can make straight or curved cuts in wood, metal, plastic, wallboard, and other materials

PADDLE OR SPADE BIT

is also used in wood.

LOW SPEED

is best speed to cut metal work.

NAILER

is designed for specific purposes, such as roofing, framing, siding, flooring, sheathing, trim, and finishing.

NAIL GUN

is driven by compressed air traveling through air lines connected to an air compressor.

THE BIT SIZE

is measured by the paddle's diameter which generally ranges from 1/2, to 1 1/2 inches.

POWER DRILL

is most commonly used to make holes by spinning drill bits into wood, metal, plastic, and other materials.

END GRINDER

is sometimes called horizontal grinders or pencil grinder. This smaller grinder is used to smooth the inside of materials, such as pipe. Its grinding disk rotates in line with the motor shaft. Grinding is also done with the outside of the grinding disc.

CORING BIT

is sometimes used for cutting holes in stone or composite materials, such as those used for countertops.

SHANK

is the smooth part of the bit.

REVOLUTIONS PER MINUTE (rpm)

is the value used to report the rotational speed of a motor or shaft.

AUGER BIT

is used for drilling wood and other soft materials, but not for drilling metal. It is designed for use at a very low speed.

RECIPROCATING SAW

is used for jobs that require brute strength. It is an excellent choice for general demolition work. It can saw through walls or ceilings and create openings for windows, plumbing lines, and more.

PAVEMENT BRAKER

is used for large-scale demolition work, such as tearing down brick and concrete walls and breaking up concrete or pavement.

FORSTNER BIT

is used on wood and is particulary good for boring a flat-bottom hole.

TWIST DRILL BIT

is used to drill wood and plastics at high speeds or to drill metal at a lower speed.

ANGLE GRINDER

is used to grind away hard, heavy materials and to grind surfaces such as pipes, plates,or welds. It has a rotating grinding disc set at a right angle to the motor shaft.

END GRINDER

is used to smooth the inside of materials, such as pipe:

HYDRAULIC JACK

is used when an application calls for extreme force to applied in a controlled manner. This tool does not operate at high speed, but great care should be used when operating it.

HYDRAULIC JACK

it can be use to move or lift heavy equipment and other heavy material, to position heavy loads precisely, and to straighten or bend frames.

CHUCK KEY

keyed chuck are opened and closed using a ________, they are typically interchangeable in design, but there are different sizes,

CARBIDE

masonry bits and nail-cutter saw blades have a __________tip.

70 to 120 pounds

most nailers operate at pressures of ____ per square inch (psi)

FRAYED

of a fabric, rope, or cord, unravel or become worn at the edge, typically through constant rubbing.

RING TEST

perform a _____ to check the condition of a grinding wheel.

AIR PRESSURE

pneumatic tools get their power from:

RECIPROCATING SAW

regardless of the manufacturer, is often referred to as a SawZall .

PNEUMATIC IMPACT WRENCH

requires the use of impact sockets that are designed for the applicable tool.

IT IS THE PROPER WAY TO START CUTTING MATERIAL WITH A CIRCULAR SAW

rev the saw to full speed and slowly move it forward into the material.

STANDARD STEEL

saw blade which must be sharpened regularly

STANDARD STEEL, AND CARBIDE TIPPED

saw blades fall into two categories:

LARGE SCALE DEMOLITION TOOLS

several _________are frequently used in construction. They include pavement breakers, clay spades, rock drills, and core borers. These tools don't rotate like hammer drills, they reciprocate (move back and forth). They can be powered pneumatically or electrically.

SDS, UNIVERSAL SDS, SPLINE, HILTI HEX, TAPER

shank styles

FASTENING, DEMOLITION, AND JACKING

some common applications of power tools are

ADJUSTABLE CLUTCHES

some cordless drills have _______ so that the drill motor can also serve as a power screwdriver without applying too much power to the screw.

RIGHT ANGLE DRILL

some electric power drills are designed to be used in tight spaces, such as between studs and joists.

SABER SAW

sometimes referred to as jig saws, have very fine blades.

DIRECT CURRENT (DC)

source such as a battery.

ALTERNATING CURRENT (AC)

source such as a wall receptacle.

HIGH SPEED

speed used for sawing wood and other soft materials.

SHANK

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

CHUCK

the ______ of the drill hold the drill bit.

HOT ENOUGH TO BURN THROUGH THE MATERIAL

the blade of an abrasive cutoff saw spins at such a high speed that the resulting friction is _______

WOOD AND OTHER SOFT MATERIALS

the high speed setting on a reciprocating saw is used for sawing:

ARBOR OR SHAFT

the hole in the center of a circular saw blade fits onto the:

5/8 INCHES

the most common arbor size for a circular saw blade is

MAKE HOLES IN WOOD, METAL, AND PLASTIC

the most common use of the power drill is:

LOWER BLADE GUARD

the most important maintenance on a circular saw is at the ________

7 1/4 INCHES

the most popular blade size for corded saws is _____

JACKHAMMER

the name_____ comes from a trade name, but has come to refer to almost any of the handheld impact tools.

POWER

the primary difference between an end grinder and a detail grinder is ________; end grinder offer more _________ than a detail grinder.

UP CUTTING OR CLEAN CUTTING

the saber saw cuts with a blade that moves up and dawn, this means that each cutting stroke (up ward) is fallowed by a return stroke (downward). So the saw is cutting only half the time it is in operation, this is called:

SPINDLE

the shaft of the points of a details grinder is called:

THE SIZE OF THE CHUCK

the size of the bit or tool that a drill can accommodate is limited by ____________

ROTARY HAMMER

the term _______ is for more heavy-duty work. It usually has slower rotational speeds than hammer drill, and hammer harder and less often than a hammer drill

POWER MITER SAW AND COMPOUND MITER SAW

there are two types of power miter saws:

SABER SAW AND THE RECIPROCATING SAW OR SAWZALL

these ____ saws' straight blades move backward and forward along a straight line.

CROSSCUT BLADE

these blades are designed to cut across the grain of the wood; that is, at 90 degree angle. Their teeth cut at an angle and are finer than rip blade teeth.

COMBINATION BLADE

these blades are designed to cut hard or soft wood, either with or across the grain. They features both rip and crosscut teeth with deep troughs (gullets) between the teeth.

RIP BLADE

these blades are designed to cut with the grain of the wood. The square chisel teeth cut parallel with the grain and are generally larger than other types of blade teeth.

BENCH GRINDER

they are great for renewing worn edges and maintaining the sharp edges of cutting tools. Can be used to smooth the mushroomed head of cold chisels.

GRINDING TOOLS

they can drill, cut smooth, and polish; shape or sand wood or metal; mark steel and glass, and sharpen or engrave. They can even be used on plastics.

SABER SAW AND RECIPROCATING SAW

they can make straight and curved cuts. They are used to cut irregular shapes and holes in plaster, plasterboard, plywood, studs, metal, and most other materials that can be cut with a saw. Both saws have straight blades that move backward and forward along a straight line as they are guided along the cut.

NONFERROUS METAL CUTTER BLADE

this blade has carbide-tipped teeth for cutting aluminum, copper, lead, and brass. It should be lubricated with oil or wax before each use.

NAIL CUTTER BLADE

this blade has large carbide-tipped teeth that can make rough cuts through nails that may be embedded in the work.

CUTOFF WHEEL

this is best described as smaller, thinner versions of the blade used on an abrasive saw. Because of its tendency to break or fly apart when too much stress is applied, sometimes a specif permission to use it is required.

GROUND FAULT PROTECTION

to prevent an electrical shock, do not operate electric power tools without proper ___________

GROUND FAULT PROTECTION

to prevent an electrical shock, operate only those tools that are double-insulated electric power tools with proper __________

PNEUMATIC DRILL AND IMPACT WRENCH

two common pneumatic power tools used by construction workers are________

SABER AND RECIPROCATING SAWS

two types of saws that are capable of making straight and curved cuts are:

CIRCULAR SAW, SABER SAW, RECIPROCATING SAW, PORTABLE HANDHELD BAND SAW, AND POWER MITER BOX SAW

types of power saws

AUGER BIT

use a _______ to bore holes in wood and other materials.

BAND SAW

use only a ________ that has a stop in place.

FIRMLY WITH TWO HANDS

when cutting with a circular saw, grip the saw handles____

SABER SAW

when using a _________ avoid vibration by using a clamp or vise to hold the work.