Captive Locating Screw can be used for locating and clamping, or for clamping only, by selecting the appropriate screw length. The locating screw's precision-ground body is positively retained in a locking bushing. In its fully retracted position, the bushing's spring clip snaps into the body's radial groove. This holds the screw fully retracted by the force of the spring and positively prevents removal. Pressure from the spring also holds the screw in intermediate extended positions. This is especially an advantage if the fixture is turned upside down.
In fully retracted position, the bushing's spring clip holds the Locating Screw fully retracted by spring force and positively prevents removal. Spring pressure also holds the screw in intermediate extended positions.
| Item | Material | Heat Treat | Finish |
| Screw | 1215 Steel | Carburized-hardened | Black Oxide |
| Locking Bushing | 1144 Steel or Equivalent | Carburized-hardened | Black Oxide |
| Retainer Clip | Spring Steel | - | - |
| A Diameter Nominal (Inch) | A Diameter Actual (Inch) | B Screw Length (Inch) | P Bushing Length Under Head (Inch) | P (Inch) | C (Inch) | D Diameter (Inch) | E Thread (Inch) | F | G (Inch) | H (Inch) | L (Inch) | M (Inch) | N Diameter Nominal (Inch) | N Diameter Actual (Inch) | R | S Diameter (Inch) |
| 3/8" | 0.3740" | 1-1/2" | Long" | 0.50" | 5/16" | 9/16" | 3/8-16 | 0.56" | 0.75" | 3/8" | 1.06" | 0.41" | 5/8" | 0.6267" | 0.62 | 13/16" |
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