1. Use of Hand Tools In Agricultural Mechanics Shops
Pender HS
Mr. Herren
Ag. Mech. I

2. General Rules
Hand tools used for cutting should be sharp to improve safety and efficiency.
Using the proper tool for the job can reduce or eliminate injuries.
Fine or small teeth on a saw blade make a smoother cut, but coarse or large teeth cut faster.

3. Tools and Their uses
Adjustable wrench is used to turn various sizes nuts and bolts.
Brick trowel is used to place and spread mortar.
Ball peen hammer is used to hammer metal objects such as punches, chisels, or parts of small engines.

4. Tools and their uses Cold chisel is used to cut metal.
Combination square is used to mark 45° and 90° angles.
Combination wrench is used to turn both hex and square nuts.
Concrete float is used to level concrete.
Coping saw is used to cut curves in wood.

5. Tools and their uses
Countersink is used to flare the top of a hole to recess the head for a flathead screw or bolt.
Crosscut saw blade is used to cut across the grain of wood.
Hacksaw is used to cut metal, and there should be at least three teeth in contact with the metal.

6. Tools and their uses
Long nose pliers are used to reach into recessed areas.
Measuring tools for wood are usually divided into 16 parts per inch or 1/16ths.
Miter saw is used to cut angles.
Nail hammer is used to drive nails to fasten one board to another.

7. Tools and their uses
Ripping hammer is used to remove wood and to drive nails.
Rip saw blade is used to cut with the grain of wood.
Slip joint pliers are used to hold various sizes of materials.
Try square is used to mark 90° angle.

8. Tools and their uses
T bevel is used to find and transfer various angles.
Wire strippers are used to remove insulation from electrical wires, to gauge wires sizes, and to crimp terminals.
Wrecking bar is used to rip and pry wood.
Vise grip pliers are used for extra firm holding or gripping.

9. Tool Classifications Layout tools Examples Try square Bevel
Carpenter’s square
Level
Calipers
Tape measure

10. Tool Classifications Cutting tools Examples Tin snips Hacksaw
Wood chisel
Files
Handsaw
Smoothing plane
Single bit axe

11. Tool Classifications Boring tools- used to make holes Examples
Bit brace
Auger bit
Twist drill
Masonry drill
Power drill

12. Tool Classifications
Driving tools- used to move another tool or object
Examples
Claw hammer
Sledge hammer
Mason’s hammer
Rubber mallet
Center punch
Pin punch

13. Tool Classifications Holding tools- used to grip other objects
Examples
C clamp
Spring clamp
Long nose pliers
Lever wrench pliers
Bench vise

14. Tool Classifications Turning tools- used to turn nuts, bolts, etc.
Examples
Screwdrivers
Combination wrench
Speed handle
Ratchet handle

15. Tool Classification Digging tools- used to move earth Examples
Garden rake
Hand trowel
Cultivator
Spading fork

16. Tool Classification
Other tools- tools that do not fit in any other category.
Examples
Fencing tool
Brick trowel
Pry bar

17. Fastener
A fastener is a device used to hold two materials together.

18. Types of Fasteners Nails – driven into material it holds Nail info
Nail length is referred to by pennies
Nail types
Common
Box
Finishing
Spike
Cut

19. Types of Fasteners
Screws- fasteners with threads that bite into the material it holds.
Screws are classified by:
The material they hold
What they are made from
Shape of their heads
Type of tool needed to turn them

20. Types of Fasteners
Bolts- a fastener with a threaded nut used to hold materials together from both sides.
Types
Machine
Carriage
Stove
plow

21. Types of Hardware
Hinges- an object that pivots and permits a door to swing back and forth.
Types
Butt hinge
Strap hinge
T hinge