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Safe Use of Agricultural Mechanics Hand Tools 6831.14.

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Presentation on theme: "Safe Use of Agricultural Mechanics Hand Tools 6831.14."— Presentation transcript:


2 Safe Use of Agricultural Mechanics Hand Tools 6831.14

3 Sharpen Cutting Tools Hand tools used for cutting should be sharp to improve safety and efficiency

4 Use Proper Tool Using the proper tool for the job can reduce or eliminate injuries

5 Teeth Fine or small teeth on a saw blade make a smoother cut, but coarse or large teeth cut faster


7 Adjustable Wrench Is used to turn various size nuts and bolts


9 Brick Trowel Is used to place and spread mortar


11 Ball Peen Hammer Is used to hammer metal objects such as punches, chisels, or parts of small engines


13 Cold Chisel Is used to cut metal


15 Combination Square Is used to mark 45 degree and 90 degree angles


17 Combination Wrench Is used to turn both hex and square nuts

18 Concrete Float Is used to level concrete


20 Coping Saw Is used to cut curves in wood


22 Countersink Is used to flare the top of a hole to recess the head for a flathead screw or bolt


24 Crosscut Saw Blade is used to cut across the grain of wood


26 Hacksaw Is used to cut metal, and there should be at least three teeth in contact with the metal


28 Long Nose Pliers Are used to reach into recessed areas


30 Measuring Tools For wood are usually divided into 16 parts per inch or 1/16ths


32 Miter Saw Is used to cut angles


34 Nail Hammer Is used to drive nails to fasten one board to another

35 Rip Nail

36 Ripping Hammer Is used to remove wood and to drive nails

37 Rip Saw Blade Is used to cut with the grain of the wood

38 Slip Joint Pliers Are used to hold various sizes of materials


40 T Bevel Is used to find and transfer various angles


42 Try Square Is used to mark 90 degree angles


44 Vise Grip Pliers Are used for extra firm holding or gripping


46 Wire Strippers Are used to remove insulation from electrical wires, to gauge wires sizes, and to crimp terminals



49 Wrecking Bar Is used to rip and pry wood


51 Hammer Hold handle near the end away from hammer head to improve accuracy and leverage


53 Hammer Large nails require the use of a heavier hammer than small nails

54 Hammer Using nails to fasten wood is fast, but is the weakest method

55 Hammer Many types of nails are available The correct type should be used for the job

56 Hammer Common nails are use most in construction, but finishing nails should be used when the head needs to be set below the surface of the wood


58 Measuring and Marking Tools “Measure twice, cut once” is a good rule to follow to reduce the amount of wasted time and materials

59 Measuring and Marking Tools Most wood measuring tools are divided into 1/16” marks

60 Measuring and Marking Tools The shortest lines on the rule are usually 1/16” measurements

61 Measuring and Marking Tools The string of a chalk line should be stretched tight and snapped in the middle to mark an accurate long straight line


63 Measuring and Marking Tools A scratch awl, file, or scriber can be used to mark a scratch on metal

64 Measuring and Marking Tools Soapstone is used to mark metal without leaving a permanent scratch


66 Metal Cutting Tools Files – since files only cut on the forward stroke, pressure should be reduced on the backstroke


68 Metal Cutting Tools Hacksaws – teeth should point away from the handle because most cutting is done on forward strokes


70 Metal Cutting Tools Taps and dies – When used to cut threads in metal, oil should be used for lubrication



73 Screwdrivers Used the correct size and type for the job

74 Screwdrivers A heavy duty screwdriver has a square shank so that a wrench can be used to help remove large screws


76 Saws DO NOT saw out the marked line because board will be too small if it was measured and marked accurately

77 Saws Saw on the waste side of the mark

78 Saws Hand crosscut saw is used to cut off ends of boards across the grain


80 Saws Hand ripsaw is used to rip a board

81 Saws Coping saw has a very narrow, thin blade that can be removed and inserted in a hole to saw out a hole in the middle of a board

82 Saws A coping saw can be use to cope molding and saw curves

83 Squares Handle should be held firmly against edge of board

84 Squares The combination square can be used as a miter square, plumb bob, level, depth gauge, marking gauge, and inside and outside try square




88 Squares A framing square has rafter tables

89 Sanding Sand with the grain and use fine or very fine sandpaper to prevent scratches

90 Sanding Coarse sandpaper is used to remove large amounts of wood when sanding, but it leaves scratches in the wood

91 Safe Use of Agricultural Mechanics Hand Tools 6831.14

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