More Hand tools Flashcards
1
Q
Flat Cold Chisels
- The flat cold chisel is the most
common - It has it’s cutting edge tapered to
include 60 ̊ to 70 ̊overall
*soft metals - angle reduced
*hard metals - angle increased
A
2
Q
Taps - inside threads
Dies - outside threads
A
3
Q
Needle Nose Pliers
- Straight or bent nosed
- Useful for handling small parts and bending wire
- For tight locations
A
4
Q
Side Cutters (Diagonal Cutters)
- Cutting, gripping, bending small diameter wire
- Useful for removing cotter pins, cable staples, and nails
A
5
Q
Hints on using Wrenches
- snug fit
- Pull rather than push
- Nut fully seated
- Same plane as nut
- Tighten or loosen with a jerk
- Oil the bolt threads
A
6
Q
Socket Wrenches
- Allows access to recessed nuts or bolts
- Uses speed, ratchet, or torque handles
- Sockets used for air-operated tools should be 4 or 6 point sockets
- 4, 6, 8, or 12 point designs
- Never use regular sockets on an impact tool
Speed Handle
Ratchet Handle
A
7
Q
Prick Punch
- Used to make a small indentation at an intersection of
two lines - When satisfied that the location is correct then a
center punch is used to make a deeper indentation - The prick punch has a long slim taper and is useful for
aligning holes - Ground to a 30 ̊ included angle
A
8
Q
Center Punch
- Has a tapered bit with a broad, sharp point
- Used primarily for locating a starting indentation
for drilling - Point ground to a 90 ̊ included angle
A
9
Q
Flat Cold Chisels
- The flat cold chisel is the most
common - It has it’s cutting edge tapered to
include 60 ̊ to 70 ̊overall - For very soft metals, the angle
should be reduced - For very hard metals the angle
should be increased
A
10
Q
Chisels
- High carbon steel stock machined and tempered
- Body and head are softer than the cutting edge to prevent chipping
- Soft head will mushroom after use and so must be occasionally ground to prevent
pieces from flying off - Do not hold with a tight grip as this can cause more injury if the hammer misses
- Wear safety glasses
A
11
Q
Soft Faced Hammer
- Used where a metal hammer will damage the work
- Plastic, brass, lead, rawhide, rubber, wood
- Dead blow is a hollow soft faced hammer with lead shot in the hollow
- If a soft faced hammer is not available the wood is sometimes placed between the work and the hammer blow
- Wood mallets should be made of the type of wood that is not easily split
A
12
Q
Claw Hammer
- Steel faced
- Used to drive and pull nails
- 16 oz. is a general use hammer
- Heavier for framing, lighter for finishing
- Curved claw – used for pulling nails
- Straight claw – used for ripping apart wood assemblies
- Never strike any thing harder than ordinary nails with a claw hammer as it may chip and cause an injury
- A checkered face may be provided to provide a gripping surface for nail heads
A
13
Q
A