1) What is the formula to calculate the length of snap head rivet, if D is dia of rivet and T is total thickness of plates to be joined ?

L = T + 1.5D

L = T + 2D

L = T + 1.25D

L = 2T + 2D

Answer is:

L = T + 1.5D

Explanation:

60 Degree

75 Degree

90 Degree

120 Degree

Answer is:

Answer is:

Rivet shank nominal dia + 0.1 to 0.3 mm

Rivet shank nominal dia + 0.2 to 0.3 mm

Rivet shank nominal dia + 0.2 to 0.4 mm

Rivet shank nominal dia + 0.3 to 0.4 mm

Answer is:

Lag screw

Self drilling screw

Self tapping screw

Sheet metal drive screw

Answer is: