Standard Fastenings and Repair Devices Flashcards
1
Q
Name the 3 types of joints in reference to fasteners?
A
- Permanent joints
- Temporary Joints
- Flexible Joints
2
Q
What are the 4 metals used in fasteners?
A
- Brass
- Steel
- High Tensile Steel
- Stainless Steel
3
Q
What are the 4 commonly found protective coatings on fastening devices?
A
- Nickel
- Zinc
- Cadmium
- Chrome
4
Q
How do you specify a bolt?
A
- Diameter and Thread Form
- Length
- Head Form
- Type of Material
5
Q
Why must you use a washer?
A
To prevent surface damage to the workpiece being caused as the final tightening torque has been applied
6
Q
What type of washers do we use in the RAF?
A
- Typical Plain Washer
- Single Coil
- Double Coil
- Shake Proof Washers
- Tab Washers
7
Q
What are the 5 Standard Nuts we use in the RAF?
A
- Plain (or full) Nut
- Slotted and Castellated Nuts
- Wing Nuts
- Thin Nuts
8
Q
What is a Stiff Nut?
A
A one piece self-locking nut which is designed so that when it is assembled to a stud or bolt the friction between the screw threads is such that the nut is held securely in position and will not vibrate loose.
9
Q
What 3 types of Stiff Nut do we use in the RAF?
A
- Oddie Nut
- Nyloc Nut
- Philidas/Aerotight Nut
10
Q
What 2 types of wire thread insert is there?
A
- Universal Type
- Single Size Type
