2. Hand Tools Occupational Safety & Fundamentals

3. Suplemental Art

4. Introduction to Hand Tools Module 00103-04

5. Safety Always wear _____ Make sure all tools are in good condition Never use damaged/worn _______ Never strike two ___________against each other Best made from alloy, dropped-forged steel

7. Hammers – claw / ball peen  Claw hammer  _______head  Wooden, steel, fiberglass handle  Used to drive _______, wedges, dowels  Pull ________from wood  _____faced vs. ______face

8. Claw hammer – drive a nail Hold nail ___degrees Grip handle at end Rest face on nail Few light _____ Move fingers – hit nail firmly on center of hammer _______ Hold hammer ________with nail head

9. Figure 2 - Proper use of a claw hammer

10. Claw hammer – pull a nail Claw under nail Pull nail straight ___from wood

11. Ball peen hammer ______face – striking ________face – align brackets  Strengthen welds Weight = 6 ounces – 2 ½ lbs. Use same as claw hammer  Round face = peening rivets

12. Weight forward hammer Heavier – 21 ounces _________strikes Less _________

13. Weight-Forward Hammers

14. Maintenance No ____________in handle Head secured to handle Replace cracked /broken __________ Keep face clean Hold ____________properly Strike only on _______of hammer

15. Mallets ___________to hammer Short wooden handle Head = softer metal  Plastic, wood, ___________ Used to reduce ______________to item being struck

16. Sledgehammers Composition – high carbon _________ Weight – 2-20 lbs. Double faced Crosspeen Never use your hand or anyone else's to hold an object before you hit it with a sledgehammer

17. sledgehammers Uses  Drive posts or large __________  Break ________and cast iron How Its Made Video http://science.discovery.com/videos/how-its- made-hammer-time.html

18. Transparency 4 Figure 6 - Types of sledgehammers

19. Screwdrivers Tighten or remove __________ Made of ____________steel Identified by type of screw it _____ How Its Made Video http://science.discovery.com/videos/how- its-made-screwdrivers.html

20. Transparency 3 Figure 3 - Six common types of screw heads

21. Figure 4 - Slotted and Phillips head screwdrivers

22. Figure 5 - Proper use of screwdriver Never use a screwdriver as a __________

23. Screwdrivers Clean tool  Dirt & grease Avoid damaged/worn/bent _________ Blade tip should be _______________ Never point blade tip towards _______

24. Ripping Bars Also called  Pry bar, pinch, wrecking bar Heavy duty _____________  Wood, concrete Octagonal Two specialized _______

25. Ripping bar

26. Nail pullers Cats paw Chisel bar Flat bar

27. Accidents Bar slips and you ______ Materials working on ____________

28. Pliers Made from ____________steel Jaws w/teeth to grip Do not use on nuts or bolts 6 common types

29. Slip joint pliers Adjustable _______ 2 jaw settings

30. Long nose pliers Also called ___________________ Used in tight places _______cutter near pivot

31. Lineman pliers Also called ___________________ Used to cut large heavy gauge ______ Wedged jaw reduce slippage Strong holding strength

32. Tongue and grove pliers Also called ______________® Grip  Flat, square, round, hexagonal objects Jaws adjust to __ positions Used to hold pipe

33. Vise-grip® pliers __________like a vise Knob in handle controls width/tension Release with ________

34. Rulers Flat steel Measuring tape Wooden folding rule Digital measuring device

35. Flat steel rule Simplest/most ____________ 6-12 inches Thinner is more ____________

36. Measuring tape

37. Curved cross section  Role up  Stay rigid Hook Lock

38. Wooden folding rule Usually 16 th 6’ & 8’ Best for measuring ________distance

39. Levels Horizontal - __________ Vertical - ____________ ___________level  Most common Electronic Laser

40. Spirit level Tough light weight metal  Magnesium  Aluminum Viles filled with ____________ ___________the level – more ___________

41. Spirit level

42. Digital & Laser levels

43. Squares Used for marking, checking, and measuring

44. Carpenter square Or framing square Squaring up sections of work 24” ________ 16” ________

45. Rafter angle square Also called ___________square Combination  protractor  Try square  Framing square

46. Combination square 12” blade 90 and 45 angles Uses  Checking square  Marking 90 and 45 angles  Checking level and plumb surfaces  Measuring

47. Plumb Bob Pointed weight attached to a string Hangs vertical or ___________

48. Chalk line String coated with __________ Some can be used as ______ ____

49. Bench Vise Gripping and holding Portable or fixed

50. Clamps Used for holding Sized by maximum ____________of jaw Examples  C-clamps metal work  Locking c-clamp  Spring clamp  Bar clamp  Pipe clamp  Hand screw clamp  Web clamp

53. Saws Main difference  Shape, number, pitch of teeth Fewer the ________= courser and faster

54. Backsaw Used for cutting _________  Miter and tenons

55. Compass saw Cuts curves in wood  Plywood, drywall Can fit into ________- _________

56. Coping saw Flexible blade Moldings

57. Dovetail saw Cutting fine joints  ____________

58. Hacksaw Cut through  Metals, screws, pipe, nails, bolts

59. Handsaw Crosscut  against _________ Ripsaw  With ___________

60. Files and rasps Cut, smooth, shape _________parts or ________ ________= slanting rows of teeth ___________= individual teeth

61. Chisels Chisel  Cut and shape wood Sloped ________ Cold chisel  Used to cut _________ http://science.discovery.com/videos/assembly-line-baltimore-toolworks-chisels.html

62. Punches ____________metal  With hammer Made from hardened/tempered _____

63. Wrenches è Used to hold/turn screws, nuts, bolts, pipes è Nonadjustable & adjustable

64. Wrenches - nonadjustable Open ended

65. Box end

66. Allen

67. Combination

68. Adjustable wrenches Fixed and movable _______ Always choose correct size First set jaws to fit nut, bolt, pipe Could ______= injury or lose balance Pull wrench __________you

69. Pipe wrench

70. Spud wrench

71. Crescent wrench

72. Sockets & Ratchets

73. Wedges Hard rubber, plastic, wood, steel Tapered to thin edge Lift/separate ________

74. Utility knives Variety of cutting purposes ___________felt shingles Vinyl/linoleum ____________ drywall Replaceable razor like blade 1, 2, 3 _____________

75. Utility knives Never use on electrical wiring

76. Utility knives

77. Chain falls Chain block Chain hoist Manual & _________ Lifts ________loads

78. Come-alongs Cabin pullers Uses chain or rope Do not use for ________heavy ______

79. Wire brushes One of the most common hand tools All _____________areas us them Clean rusty tools, remove paint Do not use on ___________work

80. Shovels Also used by many trades __ basic shapes Round, square, spade Wooden or fiberglass ______ 2 basic sizes Long & short _______

81. THE END