Index plungers are precision, heavy-duty assemblies with a retractable spring-loaded plunger and a matching locating bushing. Tapered Index Plungers feature a 15ยฐ taper on the plunger tip with a mating taper in the bushing. The taper makes alignment easier and also eliminates any binding during retraction. Made in USA.
Customize by threading

Customize by tapping

Customize for an external link

Customize for an internal link

Customize for a bell crank


Index plungers are manufactured with precision working tolerances and are designed for very light interference-fit installations to avoid binding of the mechanism.
| Item | Material | Heat Treat | Finish | DFARS | RoHS |
| Body,Plunger and Retainer | 1144 Steel | Heat Treated Rc 50-55 | - | Yes | Yes |
| Center Shaft With blank End | 1144 Steel | - | - | Yes | Yes |
| Spring | Music Wire | - | - | Yes | Yes |
| Bushing | 1144 Steel | Heat Treated | - | Yes | Yes |

| Plunger Diameter (inch) | A Diameter Nominal (inch) | A Diameter Actual (inch) | B (inch) | D (inch) | H (inch) | J (inch) | L (inch) | P Diameter (inch) |
| 1" | 1-1/2" | 1.516 / 1.515 (Unground)" | 2-1/4" | 1-1/4" | 3/8" | 1/8" | 1/8" | 1-5/8" |