Handtools Flashcards
Types of pliers
- slip joint
- Diagonal
- Round Nose
- Needle Nose
- Locking Pliers
- Side Cutters
Slip Joint
Widely used for holding tasks
Diagonal
Used for light cutting tasks
Side Cutters
cuts heavier wire and pins
Round Nose
Helpful forming wire or metal. Smooth jaws that don’t mar metal being grasped
Needle Nose
Straight and Curved nose types
Used for holding small parts, Curved helps in areas with limited space.
Locking Pliers
Jaws can be adjusted, made in many sizes with straight, curved or long nose jaws
Plier Safety
- Not a substitute for wrenches
- Don’t cut to large of metal or metal with heat treatment
- Occasionally clean and oil.
- Store in clean dry area
- Use pliers large enough for the job.
adjustable Wrench
adjusts to a range of nuts and bolts. Doesn’t take place the use of a box wrench or open end wrench
Adjustable Wrench Safety
- Always place so the moveable jaw faces direction of rotation.
- Adjust so the jaws fit snugly
- No extensions
- Never Hammer
- Use smallest wrench that will fit.
- Always Pull never push.
Pipe Wrench
Designed to grab round stock
Open end wrench
Usually double ended with different sizes or with box end of same size. Made about .005” oversized for easy fit.
Box end Wrench
Used when higher torque is applied
Combination Wrench
Both open end and boxed end.
Socket Wrench
Made with tool head socket that fits many different handles. Comes in 4 point, 6 point, 8 point and 12 point
Spanner wrenches
Special wrenches with drive lug to turn flush or recessed type fittings.
Types: Hook, End Spanner, Pin Spanner
Wrench Safety
- Always pull
- Proper fit
- Never Hammer
- Wrenches clean prior to use
- Never use on moving machinery
Types of combination square heads
- Square
- Center
- Protractor
What is the square used for
used to check squarness
Center Head
locate center on round stock
Protracator
Used for laying out angles on parts.
Types of Screwdrivers
- Standard
- Phillips
- Clutch
- Square
- Torx (star)
- Hex
Grinding a screw Driver
Use a fine grinding wheel with light pressure, Avoid overheating the tip by dipping in water. Check tip by fitting in a screw slot. It will fit snuggly.
Screwdriver safety
- Not a substitute for a chisel
- Screws with burred heads are dangerous and should be replaced.
- Always turn electricity off before working. Use insulated handles
- Don’t carry in your pockets.
How are ball peen hammers classified
By the weight of the head.
2, 4, 8, 12 ounces and 1, 1 /12, 2, and 3 pounds.
What is the best type of face for machine shop
A soft face head allows for heavy blows that won’t mar the material being hit like a steel head would.
Hammer Safety
- Never strike two hammers together
- Don’t use a hammer unless the head is on securely and handle is in good condition
- Don’t hold to close to the head. By holding lower you have more leverage.
- Strike each blow squarely.
- A falling hammer could cause serious injury or damage.
Types of Ball Peen Hammers
- Soft Face
- Plastic Face
- Dead Blow.
Chisel Types
- Flat Chisel
- Cape Chisel
- Round Nose Chisel
- Diamond Point Chisel
What is the Flat chisel used for
General purpose for cutting and chipping
What is the Cape chisel used for
Has a narrower cutting edge and used to cut grooves
What is the Round Nose chisel used for
cuts radii and round grooves
What is the Diamond Point chisel used for
used for squaring corners.
Sharpening chisel
This depends on the type of chiseling to be done with the flat chisel. For flat plate a slightly rounded edge for cutting and a straight edge for shearing
Chisel Safety
- Flying chips are dangerous
- hold chisel so it doesn’t strike you if you miss.
- Don’t use chisels with mushroomed heads.
- Edges cut with a chisel are sharp.
