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Published byImogene Henry Modified over 8 years ago
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Hand Tools
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Hammers Two types( claw and ball peen) Tough alloy, drop- forged steel, cast Claw hammer ( bell faced or flat faced) Claw hammer drives and pull out nails Ball peen hammer align brackets or reduce stress; Peening Engineer or machinist Classified by weight
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Sledgehammer Double faced or crosspeen, depends on job Long handle or short handle Drive posts or stakes Break cast iron or concrete High carbon steel, 2-20 lbs.
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Ripping Bar Pinch, pry, or wrecking bar Dismantle wood work Keep balanced footing
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Nail Puller Cat’s paw, chisel bars, and flat bar Pull nails that are flush with the surface Always keep balanced footing
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Chisel and Punches Cut, shape wood Steel, heat-treated to make harder Cut any material softer than the chisel Center, Prick and Tapered Use impact of hammer to indent metal Hardened, Tempered
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Screwdriver 6 types Slotted –most common type of standard Philips- most common type of crosshead Clutch drive- hour glass, cars or appliances Torx- star shaped, auto and household Robertson- square, high torque, color coded Allen – hex keys, socket head
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Screwdrivers Blades are tempered steel Using the wrong one will strip the screw Never use near live wires
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Pliers Slip-joint, long-nose, lineman, vise-grip, Tongue and groove Scissor shaped tool Hold, cut, bend wire and/or metal Made of harden steel Do not use on bolts or nuts
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Pliers Slip- JointLong-nose
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Pliers Lineman Tongue-and-groove
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Pliers Vise Grip
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Wrenches Hold and turn nuts, bolts, and pipes Two categories Nonadjustable and adjustable Standard and metric
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Non-adjustable wrenches Open-end, box-end, hex key, combination Size distance between flats
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Adjustable Wrenches One fixed jaw, one movable jaw Save time Pipe wrench, adjustable end wrench
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Sockets and Ratchets Sockets grip the bolt or nut Normal and deep 6 or 12 gripping Ratchets turn the socket
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Rulers and Measuring Tools Accurate Easy to use Durable Easy to read
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Ruler Simplest, common- flat steel Inch marks
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Tape measure Metal case Hook Rigid Rewind spring
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Wooden Folding Rule 6 and 8 ft length Stiff Measures vertical Block and brick mason
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Levels Horizontal- level center Vertical – plumb outside Alcohol in the vial Longer the level, greater the accuracy
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Squares Marking, checking, & Measuring Four types- carpenter’s, rafter- angle, try,& combination
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Carpenter’s Square and Speed Square Shaped like an L Squaring up sections of work 24 in blade, 16 in tongue In. and fractions Protractor, try, framing Fast and easy layout Use when cutting lumber
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Try Square & Combination Square 90 degree angle fixed Mainly for wood work 12 in blade Head has 90 and 45 degrees Has spirit level Most useful tool
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Plumb Bob Uses force of gravity Different weight 12, 8,6 most common Wind may cause problems
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Chalk Line String coated with chalk Pull string from one point to another
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Utility Knife Cut shingles, vinyl, rubber, ect. Replaceable blades
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Saws Use the right saw for the job TPI (teeth per inch) Fewer tpi the coarser and faster the cut More tpi the slower and smoother
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Backsaw and compass saw Broad, flat Cutting miter joints Keyhole Cuts curves
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Coping and Drywall Narrow, flexible blade with u-shaped frame Cuts molding Long narrow blade Cuts drywall
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Hacksaw and Handsaw Sturdy frame, pistol grip handle Metal, push stroke Tempered steel Rip saw, crosscut
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Files and Rasps Cut, smooth, or shape metal Files slanting rows of teeth Rasps individual teeth Three classifications by cut of teeth Single and double cut Rasp
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Clamps C- clamps Locking C-clamps
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Clamps Spring Clamps Hand screw clamp
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Clamps Pipe clamp Bar clamp
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Clamps Web clamp Quick Grip
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Chain Falls and Come-Alongs Electric or manual overhead Horizontally Don’t lubricate clutches
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Shovel Round-dig holes Spade-dig treches with smooth sides Square Move gravel and clean up
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Pick Swing like an ax
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