Von Duprin 33 - Screw Chart

2
1/4-20 x 1”
1/4-20 x 1-1/2”
Trim mount or sex bolts:
(2-1/4” door)
(1-3/4” door)
C
#10-16 X 3/8” Thread cutting
End cap
#10-24 X 3/4”
#10-24 X 1-1/8”
B
Surface mount or
Sex bolts (2-1/4” door)
Sex bolts (1-3/4” door)
A
E
F
G
H
D
SCREW CHART
Bracket to latch
#10-32 X 1/4”
* #10-24 X 1/2”
Bracket to door
#10-24 X 1/2”
338 Strike
#10-24 X 1-1/2”
Ratchet release
#10-32 X 3/8” Socket head
Rod attachment
#8-18 x 3/8” Thread cutting
Center case cover
I
J
K
Rod length adjustment
Rod adjusting screw
#8-32 X 5/16”
Retaining clip
* #10 X 1” Wood screw
Bracket to door
*Used with external tooth lock washer