Defiant Encore Drill and Tap Guide
Key
Drill
Depth
Tap Size
Tap Type
A
13 / 64"
Thru
1 / 4" - 20
Taper
B
# 22
1 / 2"
10 - 24
Bottoming
C
# 22
3 / 8"
10 - 24
Bottoming
D
# 22
Thru
10 - 24
Taper
E
25 / 64"
Thru
7 / 16" - 20
Taper
F
13 / 64"
1 / 2"
1 / 4 - 20
Bottoming
G
13 / 64"
5 / 8"
1 / 4 - 20
Bottoming
H
13 / 64"
3 / 8"
1 / 4 - 20
Bottoming
I
13 / 64"
7 / 16"
1 / 4 - 20
Bottoming
J
13 / 64"
11 / 16"
1 / 4 - 20
Bottoming
K
13 / 64"
27 / 32"
1 / 4 - 20
Bottoming
L
13 / 64"
3 / 4"
1 / 4 - 20
Bottoming
M
3 / 16"
Thru
N
5 / 16"
Thru
O
3 / 16"
11 / 16"
P
1 / 8"
1 / 2"
Q
5 / 16"
Thru
3 / 8 - 16
Taper
R
1 / 8"
Thru
S
" W "
Thru
T
" G "
Thru
U
3 / 8"
Thru
V
1 / 4"
Thru
*Note :
When threading to the bottom of a blind hole, always finish with a
bottoming tap after cleaning the hole of all chips.