HANDTOOLS PRELIM

Cross peen hammer

Cross peen hammer

Hammer with a crossed peen on one end used in restricted areas

Rubber Mallet

Used to shape sheet metal without damaging the surface

Straight peen hammer

Hammer with a straight peen on one end

Punches

Made of carbon steel used to create holes in sheet metal for drilling

Prick punch

Used to make reference marks on sheet metal creating small indentations

Center punch

Used to create indentations as an aid for drilling

Automatic center punch

Uses spring tension to create indentations on sheet metal

Transfer punch

Uses existing holes on sheet metal to make new holes to a new one

Chasis punch

Used to create holes in sheet metal parts for the installation of instrument and other avionics appliances

Diagonal pliers

A short-jawed cutter with a blade set at a slight angle on each jaw used to cut wires and small rivets

Needle nose pliers

Type of plier that is used in holding objects and make adjustments in tight spaces

Duck bill pliers

This is used exclusively for twisting wires

Wire stripper

Feature adjustable stops to cut insulations without damaging the wire

Slip joint pliers

The slip or adjustable joint enables the tool to adjust to the size of an object being held

Round nose pliers

Used to crimp metal

Cleco pliers

Used to install cleco clamps

Straight cut snip

Used to cut sheet metal on a straight line

Left cut snip

Designed to cut metal sheet towards the user's left

Right cut snip

Used to cut sheet metal towards to the user's right

Pitch of a blade

Indicates the number of teeth per inch

Straight and pistol grip

Two types of handling hacksaw

Flat cold chisel

Most widely used type of chisel

Hand file

Type of file with one safe edge

Flat file

Most commonly used type of file

Mill file

File that is tappered in thickness and witdth for about one-third of its length

Triangular file

Used to filling a gullet between saw teeth

Square file

Used principally for filling slots and key seats, and for surface filling

Round or rattail file

Used in filling circular openings or curve surfaces

Half-round file

This files cut on both the flat and round sides

Lead float file

File that is especially designed to used on soft materials

Vixen or curved-tooth file

Especially designed for rapid filling and smooth finish on soft materials and wood

Hand drill

Manual tools used to drill or bore holes into wood or other materials

Hand drill

Commonly called an “egg beater”

Breast drill

A breast plate is affixed at the upper end of the drill to permit the use of body weight to increase the cutting power

Electric drill

Used the power of electricity to drill holes

Pneumatic drill

Used air pressure to drill holes, preventing sparks

Drill shank

The end that fits into the chuck of the hand or power drill

Straight shank and square or bit stock shank

Two shank shapes that is commonly used

Twist drill

Pointed tool that is rotated to cut holes in material

Carbon steel or high-speed alloy steel

What twist drill is made of

File card brush

Used to clean files

Double cut

What cut does hand file have

Tang

Pointy end of file where wooden or plastic handle is attached

Heel

Base of the tang

Belly or face

Part of file where cutting action happens

Point

Opposite of tang

Files

Used to square ends, file rounded corners, remove burrs and silvers from metal, straight uneven edges

Shelling

This will happen if you put too much pressure on file, causing the clogging with material and break some of teeth

Chattering

Cause the file to create harmful vibrations in the material

Chisels

Used for chipping any metal softer than the chisel itself

Pinning

During filling, its possible for small chips of material to get stuck in the teeth of file. This is refferd to as

Ball peen hammer

Hammer with flat face on one side and a round or ball face on other side