Tool Identificationand Use

Where do you buy tools?

Dealers• Snap-On• MacRetail Stores• Canadian Tire• Wal-Mart

Tool Material

What makes a quality tool?• Made of high-strength alloy steel• Light and easy to use• Highly polished – Easy to clean– Comfortable to handle

Handling and Storage

Where and how should you store tools?• Keep tools stored in a roll-type tool cabinet• Remove oil and dirt from tools– Dirt can damage moving parts of tools

• Lightly oil clean tools to prevent rust

HammersBall Peen• Used for general striking

work• One rounded striking face• One flat striking face• Available in a range of sizes

from a few ounces to several pounds

HammersSledge Hammer• Large flat head• Made of metal• Able to distribute force over

a wide area

HammersBrass Hammer• Used to prevent marring

the work surface being struck

• Head made out of brass

HammersPlastic Tip Hammer• Used to prevent marring

the work surface being struck

• Similar to brass hammer, but plastic is an even softer material

HammersRubber Mallet• Usually made of solid

rubber• Some Rubber Mallets have

an internal cavity in the head filled with lead shot

• These are called “Dead Blow Mallets” and prevent rebound when striking

Chisels• Come in a variety of sizes and types• Used for cutting bolts and rivets• Can be held in hand or secured with a holder

ChiselsUsing a chisel holder protects your

hands when striking with a hammer Chisel Holder

PunchesStarting Punch• Has a tapper that ends with

a flat tip• Used for driving out rivets

after the heads have been cut off

PunchesDrift Punch• Has the same diameter for

the majority of its length • Used for driving out rivets

after the starting punch

PunchesAligning Punch• Has a long gradual taper

and a finer point than the starting punch

• Used to align corresponding holes

• Punch is pushed through the holes and then pulled upright to align them

PunchesCenter Punch• Used to mark materials

before drilling or marking parts

• When used for drilling, a small impression is made in the material to align the drill bit

Files Common File Types• Flat Mill• Half-Round• Round• Square• Triangular

All file types come in different sizes and with cutting edges that range

from coarse to fine.

Files File Cut• Rough to Smooth depends on the

number and size of cutting edges

Files • Files should have a handle firmly attached to the tang

• This allows a firm grip and prevents the tang from piercing the hand

FilesRotary Files• Come in a selection of shapes and sizes• Designed to be used in a hand drill or hand held air

grinder

DrillsPower Drills• Operated by compressed air

or electric motors• Either type of power drill uses

a chuck to secure drill bits• 3/8” and ½” are the most

common sizes• This size means the largest

drill bit size the chuck can fit

DrillsCordless Drills• Able to fit into tight spots a

power cord or air hose cannot• With the use of adapters they

can be used as screw and nut drivers

• Useful for quickly removing component screws and bolts

DrillsDrill Press• Drill motor and chuck are

mounted on a stand• Material to be drilled is

mounted directly below on table

• Drill bit is lowered into work by turning hand lever

• Eliminates the need to hold drill and ensures proper alignment

DrillsDrill Press• Can only be used on parts that

will fit on the mounting table• CANNOT be taken to the

vehicle for drilling on a part that cannot be removed

DrillsDrill Bits• “Chucked” in a drill’s chuck• Does the actual cutting when

drilling holes• Available in fractional inch

sizes (standard) or metric• Usually made of either carbon

steel, high-speed steel, and cobalt steel alloys

Reamers• Used to enlarge or shape holes• Makes the hole more accurate in size and smoother• NOT be used to make deep metal cuts• Should only cut a few thousandths of an inch at a time

Reamers• Some reamers are a fixed size, some are adjustable• Tapered reamers are good for removing burrs and for

starting taps