Boring Bar ANSI Designation Chart

ASteel Bar w/Coolant Hole033/16"161"F3"Q 7"
AX(A-type) Dimple Bar041/4"201-1/4"G3-1/2"R8"
B Solid Steel Anti-vibration Bar055/16"241-1/2"H4"S10"
CCarbide Bar (Steel Head)063/8"281-3/4"J4-1/2"T12"
DSteel Anti-vibration Bar w/Coolant Hole081/2"322"K5"U14"
E Carbide Bar (Steel Head) w/Coolant Hole105/8"362-1/4"L 5-1/2"V16"
EX(E-type) Dimple Bar123/4"402-1/2"M 6"W18"
FCarbide Anti-vibration Bar (Steel Head)x Shank Diameter N 6-1/2"Y20"
GCarbide Anti-vibration BarP 6-3/4"ZSpecial
(Steel Head w/Coolant Hole)
H Heavy Metal Barc Length
E JHeavy Metal Bar w/Coolant Hole

JX (J-type) Dimple Bar S Solid Steel Bar z Boring Bar Type

E 12 M S C

C

D

M

P

Insert Holding b Insert Shape

v

Top Clamp C D R S

Double Clamp

80°Rhombic 55°Rhombic Round Square

TVW
Clamp and Lock Pin

Hole Clamp Triangular 35°Rhombic Trigon

Screw Lock Only