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Each series
of part numbers represent different manufacturers and therefore charts may
vary in the order that they present dimensions. |
|
Rounded
Bottom/Top |
 |
Part No. |
A
Groove Width |
B
Head Height |
C
Bumper Height |
D
Groove Dia |
E
Head Dia. |
F
Bumper Dia. |
|
IPA- |
284 |
1/32 |
1/8 |
1/8 |
1/8 |
3/16 |
5/16 |
|
IPA- |
1561 |
1/16 |
1/8 |
5/32 |
1/4 |
5/16 |
1/2 |
|
IPA- |
1422 |
1/8 |
11/64 |
11/32 |
9/32 |
7/16 |
5/8 |
|
Rounded
Top/Square Bottom |
 |
Part No. |
A
Groove Width |
B
Head Height |
C
Bumper Height |
D
Groove Dia. |
E
Head Dia. |
F
Bumper Dia. |
|
IPA- |
1257 |
1/16 |
7/64 |
3/32 |
5/32 |
7/32 |
3/8 |
|
IPA- |
4123 |
1/32 |
1/8 |
5/32 |
1/4 |
5/16 |
3/8 |
|
IPA- |
734 |
1/16 |
7/64 |
3/32 |
5/32 |
7/32 |
3/8 |
|
IPA- |
711 |
1/8 |
1/8 |
1/8 |
1/4 |
11/32 |
9/16 |
|
IPA- |
1138 |
5/64 |
5/32 |
1/8 |
9/32 |
3/8 |
9/16 |
|
IPA- |
740 |
1/16 |
3/32 |
5/32 |
11/32 |
13/32 |
9/16 |
|
IPA- |
2250 |
3/16 |
3/16 |
5/16 |
1/2 |
11/16 |
1 |
|
Pointed
Top (Radius)/Square Bottom |
 |
Part No.
|
A
Groove Width |
B
Head Height |
C
Bumper Height |
D
Groove Dia. |
E
Head Dia. |
F
Bumper Dia. |
|
IPA- |
1178-1 |
1/16 |
3/16 |
3/32 |
3/16 |
1/4 |
1/2 |
|
IPA- |
1178-2 |
1/16 |
3/16 |
5/32 |
3/16 |
1/4 |
5/8 |
|
Pointed
Top (Straight)/Square Bottom |
 |
Part No. |
A
Groove Width |
B
Head Height |
C
Bumper Height |
D
Groove Dia. |
E
Head Dia. |
F
Bumper Dia. |
|
IPA- |
1792 |
7/64 |
5/64 |
1/16 |
5/32 |
1/4 |
1/2 |
|
IPA- |
785 |
3/64 |
3/32 |
1/8 |
3/16 |
1/4 |
5/16 |
|
IPA- |
716 |
3/64 |
1/8 |
3/32 |
1/4 |
5/16 |
7/16 |
|
IPA- |
759 |
3/64 |
1/8 |
3/16 |
1/4 |
5/16 |
7/16 |
|
IPA- |
778 |
3/32 |
1/8 |
1/4 |
5/16 |
3/8 |
5/8 |
|