Drilling Instructions
Symmetric & Asymmetric
DAMNGOODBOWLINGDOTCOM
Symmetric
urv
C
C
g a Big
i
B
for
½”
n
o
3
i
–
osit ol
”
p
0
you
e
:
r
r
e
t
o
o
c
n
s
an
g c um co
t
n
ide re
i
s
i
s
v
d
v
ive or mo
Re maxim n Out
t
i
s
f
i
o
h
wit ting P h ¾ p hole
r
ck
it
a
a
w
t
b
S
et
out
g
p
Ma add a ded
ee
n
can
e if
v
r
cu
e
h
T
e
h
T
k nk
n
ra Cra
i
B
Big
C
a
g for
P
4 1/2”
VAL
e
v
ur e
Normal Track
A
CG Area
* Drilling layouts may look different than
illustrated based on bowlers ball track and
axis point. Consult with your local Pro Shop
for information
Normal Track
n
io
osit
VAL
ally
”
u
p
4
q
e
–
”
ore d
e
c
c
2
n
ing cken
ala de
ce:
b
v
n
5”
v
a
P
a
d
e
i
t
l
b
r
s
A
s
u
i
o
d
g
t
h
e
n
s
s
v
i
o
t
a
l
r
u
t
l
F
O
st
ba
osi
n
i
p
h
e
P
th
nd
wit ting
CG Area
a
,
be
g
b
n
d
r
i
l
l
m
l
Sta e dri e thu e shou for
X
h
or
ep
Bef een t ole siz ½ de
w
h
bet back /8 X 2
1
Get ast 1 ct
le
e
1. P is the larger circle or pin on the ball that marks the top
at ng eff
of the core.
o
r
t
s
2. X
is where to drill the get back hole on the ball.
3 3/8”
3. For left -handed bowlers use the mirror images of these layouts.
Note: Finger, thumb and get back holes must have at least a moderate bevel
and the riser Pin P must be at least one inch from any drille d hole to
comply with the DV8 warranty.
Symmetric
Normal Track
lip Big Flip
P
io
osit
A
p
e
r
e
o
h ding c
6”
–
: 3” alance
e
c
b
an
d
kid kend
t
l
s
s
u
i
d
g
sho and
l
l
Lon he bac n Out
ba mb
e
i
t
e
P
z
u
h
i
h
t
s
g
on
tin illing, the t hole
eep
r
d
a
½
dr een
St
ck
a
2
e
b
r
w
o
X
Bef lly bet e. Get 1 1/8
d
t
a
equ ive si t leas
it
a
pos d be effect
ul
o
h
ong
s
r
t
s
for
T
e
v
r
u
rC
e
l
l
o
r
lle
Ro
CG Area
3 3/8”
Bi
5”
VAL
F
g n for a
X
* Drilling layouts may look different than
illustrated based on bowlers ball track and
axis point. Consult with your local Pro Shop
for information
Normal Full Roller Track
A
ull
F
a
for l
n
4”
itio ontro
s
–
o
p
c
1”
you
e
:
m
r
e
u
o
o
c
c
xim istan side s
g
a
n
i
m
d
vv
ore
e
v
m
i
Re e with n Out
t
90°
i
osi le for
v
p
P
P
r
u
C
ing ith ¾ ck ho
t
r
Sta out w et ba
g
Map add a ded
nee
can
f
i
e
1. P is the larger circle or pin on the ball that marks the top
curv
of the core.
R
l
l
10
1/8”
u
F
e
Th
Area
3
3/8
”
CG
2. X
is where to drill the get back hole on the ball.
3. For left -handed bowlers use the mirror images of these layouts.
Note: Finger, thumb and get back holes must have at least a moderate bevel
and the riser Pin P must be at least one inch from any drille d hole to
comply with the DV8 warranty.
Asymmetric
Normal Track
e
v
ur e
i
B
for
½”
n
o
3
i
–
osit ol
”
p
0
ore contr ance:
s)
c
e
s
e
e
g
r
e
t
vvin ximum ut dis
egr 70 deg
e
d
R
45 gle
ma Pin O
t
h
a
an
wit ting
t
L
e
s
r
VA
(
n
a
i
s
t
p
r
S
ge
or
n
t
i
f
a
Loc below
Pin
e
h
T
k nk
n
ra Cra
i
B
Big
C
a
g for
A
A
45°
L
* Drilling layouts may look different than
illustrated based on bowlers ball track and
axis point. Consult with your local Pro Shop
for information
Normal Track
5”
P
rea
CG A
70°
A
60°
VAL
T
CG
rea
70°
n
io
osit
½”
3
p
–
ore d
”
c
0
s)
ing cken
ce: es
e
v
n
e
v
a
r
re g ba
eg
ist degre
d
d
t
n
s
0
7
Fa
tro in Out t 60
e
s
l
g
h
wit ting P set a AL an
r
(V
n
Sta tor pi ingers
f
a
Loc below
Pin
he
4 1/2”
P
VAL
C
g a Big
v
Cur
L
1. P
is the larger circle or pin on the ball that marks the top
of the core.
2. L
is a small white pin that marks the Mass Bias of the ball.
3. For left -handed bowlers use the mirror images of these layouts.
Note: Finger, thumb and get back holes must have at least a moderate bevel
and the riser Pin P must be at least one inch from any drille d hole to
comply with the DV8 warranty.
Asymmetric
Normal Track
P
p Big Flip
i
l
F ra
e ding core
h
T skid nd
5”
30°
CG Area
A
VAL
fo
g
n
i
o
i
B posit
45°
L
– 6”
: 3”
e
s)
c
e
s
n
e
e
a
r
e
ist degre
eg
k
d
d
g
c
n
a
30
Lo he b
5
Out
4
e
l
n
i
g
t
t
P
a
an
g
on
t
n
L
e
i
s
rt
VA
(
n
a
i
s
t
p
r
S
ge
or
n
t
i
* Drilling layouts may look different than
f
a
Loc below
illustrated based on bowlers ball track and
Pin
axis point. Consult with your local Pro Shop
for information
e
l
l
o
r
olle
ull R
F
a
or
f
ion trol
6”
t
i
–
s
n
o
o
p
c
3”
e
:
m
r
e
u
o
c
g c maxim istan grees
n
i
v
d
e
v
5d
Re e with n Out
4
i
t
v
Cur ting P set a
r
n
Sta tor pi
a
Loc
ll R
Normal Full Roller Track
45°
X-Hole
Safe Zone
90°
0°
A
L
1/8”
rC
e
v
ur
10
u
F
e
Th
CG Area
3
3/8
”
45°
P
90°
X-Hole
Safe Zone
1. P
is the larger circle or pin on the ball that marks the top
of the core.
2. L
is a small white pin that marks the Mass Bias of the ball.
3. For left -handed bowlers use the mirror images of these layouts.
Note: Finger, thumb and get back holes must have at least a moderate bevel
and the riser Pin P must be at least one inch from any drille d hole to
comply with the DV8 warranty.