Inch | Figure | I.C.250"and over | I.C.under 250" |
---|---|---|
A | D | |
M | P | |
G | K | |
N | E | |
R | S | |
F | L | |
Special Design | X | X |
Metric | |||||||||
---|---|---|---|---|---|---|---|---|---|
Symbol | Hole | Hole Configuration |
Chip Breakers |
Figure | Symbol | Hole | Hole Configuration |
Chip Breakers |
Figure |
W | With Hole | Cylindrical Hole + One Countersink (40~60°) | No | A | With Hole | Cylindrical Hole | No | ||
T | With Hole | One Sided | M | With Hole | Cylindrical Hole | One Sided | |||
Q | With Hole | Cylindrical Hole + Double Countersink (40~60°) | No | G | With Hole | Cylindrical Hole | Double Sided | ||
U | With Hole | Double Sided | N | Without Hole | - | No | |||
B | With Hole | Cylindrical Hole + One Countersink (70~90°) | No | R | Without Hole | - | One Sided | ||
H | With Hole | One Sided | F | Without Hole | - | Double Sided | |||
C | With Hole | Cylindrical Hole + Double Countersink (70~90°) | No | X | - | - | - | Special Design | |
J | With Hole | Double Sided |