Grinding Angles Chart
Instrumental Measurements
Grinding Angles Chart
Code
Oregon Chain Part Number
A
25AP
R
90PX
S
91PX
91P, PXL
T
91VXL
H
20BPX
J
21BPX
L
22BPX
G
95VPX
Q
20LPX
21, 22LPX
M
95TXL
D
72V
P
73V
75V
E
72LPX
73, 75LPX
72, 73, 75LGX
Instrumental Measurements
A Measure the gauge
depth using the
suitable shape
12
X
Wheel Width Vise Rotate Angle
1/8"
1/8"
1/8"
3/16"
3/16"
3/16"
3/16"
3/16"
3/16"
B Measure the
cutter length
A
D
Depth Gauge
30°
025" 0 65 mm
30°
025" 0 65 mm
30°
025" 0 65 mm
30°
025" 0 65 mm
30°
025" 0 65 mm
25°
025" 0 65 mm
35°
025" 0 65 mm
25°
025" 0 65 mm
25°
025" 0 65 mm
C Measure the
chain pitch
310-120