Fastenings Flashcards
Taps are used to cut what type of thread?
Caspar Tyser
Internal Threads.
A die is used to cut what type of thread?
Caspar Tyser
External Threads.
Is Riveting considered to be a permanent method of joining components?
Caspar Tyser
Yes it is.
Whilst threading what is the die held in?
Caspar Tyser
A die stock.
What method of fixing do Machine screws provide?
Caspar Tyser
A Temporary method of fixing, suitable for all kinds of material.
What are the different types of nail heads?
-Krystian S
Oval nail
Lost head nail
Flat head nail
What are the different arrangements that can be used for nailing into timber which avoid splitting?
-Krystian S
Staggered nailing
Dovetail nailing
What size is the clearance hole for a screw?
-Krystian S
The diameter at the shank of the screw
What size is the pilot hole for a screw?
-Krystian S
The diameter at the core of the screw
What are taps used for
-Krystian S
Cutting internal threads
What is dovetail nailing?
-Oscar Lawson
Nailing at an angle to prevent the nails from pulling out
What is a pozi-drive screw?
-Oscar Lawson
a cross head, or Phillips screw with extra cross shapes to prevent slipping whilst driving in the screw
What is a slotted screw?
-Oscar Lawson
A screw with one horizontal notch for a flat head screwdriver
What are the advantages of using a slotted screw?
-Oscar Lawson
It can generate more torque as pozi-drive screws are designed to ‘skip’ with high torque
What are the advantages of using a pozi-drive screw?
-Oscar Lawson
It self aligns so doesn’t slip and is easier to drive the screw in
What size are clearance holes?
- Humphrey Marsh
The diameter as the shank of the screw
What size is a pilot hole?
- Humphrey Marsh
The diameter of core of the screw
What does a self tapping screw do to a material?
- Humphrey Marsh
It cuts its own thread into the material.
What do machine screws provide?
- Humphrey Marsh
Temporary method of fixing suitable for all kinds of materials
What are Taps used for?
- Humphrey Marsh
To cut an internal thread
What is the downside of Pop Rivets?
They are less strong than snap rivets
What is the most common type of nail?
The flat head nail
What is the definition of dovetail nailing?
Nailing two nails into a v formation to prevent joints pulling out
Why is staggered nailing good?
-Ssnehnil G
To prevent splitting
Which rivet type is suitable when there is only access to one side of the sheets?
-Ssnehnil G
A pop rivet
What is a bifurcated rivet used for?
-Ssnehnil G
Soft materials
What is dovetail nailing?
YanK
Nailing at an angle to prevent nails pulling out
What is Staggered nailing?
YanK
Nailing out of line to prevent splitting
What is the clearance hole?
YanK
Diameter as the shank of the screw
What is the pilot hole?
YanK
Dimeter of core of the screw
What does a self-tapping screw do?
YanK
Cuts its own thread into material
What are washers used for?
Nathan P
- Distributing load from a nut, bolt, or screw head
- To lock in a nut and prevent it working loose
- To reduce friction between two surfaces
What is used to create an internal thread?
Nathan P
Taps
What is used to create an external thread?
Nathan P
Dies
What is riveting?
Nathan P
A permanent method of joining components
What do self tapping screws do?
Nathan P
Cuts its own thread into material
What is the purpose of staggered nailing?
Torsai K
To nail out of line to prevent splitting
What is dovetail nailing?
Torsai K
Nailing at an angle to prevent nails from pulling out
What is the purpose of machine screws?
Torsai K
To provide a temporary method of fixing suitable for all kinds of material. They are defined by length, diameter, head profiles and thread.
What are dies used for?
Torsai K
to cut an external thread. The die is held in a die stock.
How are rivets defined?
Torsai K
By their material, diameter, length, and head profile. They are made from soft, easily deformable material.
A pilot hole is usually ____ the diameter of the clearance hole
-OTC
A pilot hole is usually HALF the diameter of the clearance hole
