Screwdrivers Purpose: only to drive screws- not a pry bar or chisel Types- Standard Philips Pozidriv Clutch Scrulox (square) Torx Impact driver Scratch Awl- not a screw driver Used for marking

Screwdrivers Standard Phillips Blade type tip Several sizes Insure proper fit Phillips X type tip Several sizes Insure proper fit

Screwdrivers Pozidriv Torx Similar to Phillips Tip is not angled Tip has wedged for tighter fit Only 4 size #1,2,3,4 Torx Star shaped tip Several size T-8 through T-60 are most common

Screwdriver Clutch Scrulox (square)

Screwdrivers Other Starting Screwdriver Offset Stubby Used to hold screws Offset Used to get into angled locations Stubby Used in tight areas

Screwdriver Safety

Impact Driver Impact Driver The only screw driver you will ever be allowed to strike with a hammer Used to remove extremely tight screws Has several attachment in each of the other type of drivers

Pliers Type Slip Joint Channel Locks Needle Nose Diagonal Cutting Pliers (Dykes) Vise Grips Snap Ring Electrical

Pliers Slip Joint Capable of opening very wide Adjust to several different sizes Gives most leverage Slip Joint Most common type Adjust to 2 different size

Pliers Diagonal Cutters Needle nose Commonly referred to as dykes Used as a cutting tool for wire Also used as a pier to grab items that might slip out of a typical pliers Needle nose Long slender tip for tight space Also help to grip small piece

Electrical Pliers Electrical Pliers Usually a combo of wire cutters, strippers, and crimpers Should be insulated to prevent shock

Snap Ring Pliers Snap Ring Pliers Used for removing and installing snap rings

Locking Pliers Vise Grips Brand Name Locking pliers Variety of types and sizes All are adjustable to grab on tight to the item

Hammers Types Ball Peen Sledge Brass Plastic/rawhide Rubber Mallet Dead Blow Lead Copper Claw Specialty Hammers

Hammers Ball-peen Claw 2 sided hammer Round anvil used for body type work Flat anvil used for general purpose hammering Several sizes and weights Claw Not an automotive hammer Should not be used Flat anvil side used for hammering Claw side used to remove nails

Hammers Soft Metal Hammers Sledge Hammer Brass, copper, lead Used to avoid scarring or damage to surface Head deforms and takes damage instead of part Sledge Hammer Large and heavy Used to free frozen parts Will cause severe damage to delicate parts Several sizes and weights

Hammers Plastic/rawhide Rubber Mallet Usually double sided 1 side = plastic 1 side = rawhide Light and soft Used on delicate part to avoid breakage Rubber Mallet Solid rubber head Bounces off solid material Used on sheet metal, plastic, and moldings or wheel covers

Hammers Specialty Hammers Dead Blow Wide variety of hammer used for metal working, body work, and welding applications Dead Blow Plastic coated Filled with lead shot: tiny metal balls Weight of lead shot prevents rebound Coating protects against damage to parts

Hammer Safety Always use correct size and type of hammer Always check condition of head and handle Check for mushrooming of head Insure handle is secured to head Always be careful and keep eyes of work to avoid injury

Chisels & Punches Punches- several purpose Types Center punch Start punch/Drift Pin punch Aligning punch Chisels- used to remove damaged or badly rusted nuts & bolts Types Rivet buster Diamond point Round nose cape Cape flat

Punches Center Punch Aligning punch Used to mark center of hole before drilling Characteristics Sharp point Aligning punch Inserted into predrilled holes Used to line up pin holes Characteristics Long, thin, and little taper

Punches Starter Punch/ Drift Pin Punch Used to partially drive out pins, shafts, and metal rods from holes Characteristics Thick and heavily tapered Pin Punch Finishing Punch Used to drive pins, & shafts out after drift has been used

Punches & Chisels General Rules & Safety tips Use largest size possible Keep both ends ground & sharp Chisel- cutting edge should be sharp & square Center punch- should have sharp point Start & drift- should be flat & square Check for mushrooming of head Dangerous & should be ground off Grinding should be slow to prevent overheating Chisel turns blue= overheating: result in softness

Files Used to remove burrs, nicks, and sharp edges to smooth material Types Coarse: for soft material Fine: for smoother finished surface & harder materials

File Safety Never use without handle Only apply pressure on forward stroke Hold with 2 hands 1 on handle & 1 on tip Hold firm Apply light, even pressure File slowly= 1 stroke per second Clean file with wire brush Never hammer on use as a pry bar Files are brittle and break easily sending small part flying like shrapnel

Holding Devices Used to hold work to prevent movement Types Vise- used to hold parts during cutting, drilling, hammering and pressing Precautions Don’t over tighten Keep parts clean & oiled Cover jaw when clamping smooth, machined material and parts Clamps- hold work to surface such as tables & benches

Miscellaneous Hand Tools Battery post cleaner Battery terminal pliers Magnetic pickup Claw type pickup Wire brush Saws Flash lights Drop light Pry bars Tap & dies Scraper Fuse puller Inspection mirror