Structural pin fasteners Flashcards
1
Q
Describe a lockbolt
A
two piece fastener that combines features of high strength bolts and rivets
2
Q
Describe Hi lock
Pin HL18-6-6
Collar HL70 -6
A
HL18 Pin, material, headshape, nom/oversize (HLT = Hi-Tigue)
- 6 - diameter 1/32
- 6 - grip length 1/16
HL70 - PN/material
-6 - diameter 1/32
3
Q
Cherry max part number CR3213-6-5
A
CR - cherry max
3213 - material, nom/over headshape
- 6 - diameter 1/32
- 5 - grip length 1/16
4
Q
How are lok bolts inspected
A
Go no go gauge
5
Q
How are lock bolts removed
A
Cut the collar
6
Q
What are the two types of Hiloc pins
A
Hi loc and Hi gigue
7
Q
What are the benefits of Hi loc/ Hitigue
A
Burshishes the hole
preloads the hole
cold works the hole
Sizes the hole
Protects surface coatings
lowers the installation load
8
Q
What are lock bolts and hi los measured in
A
P/N, material, head shape, nom vs oversize,
Diameter in 1/32
Length in 1/16
