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    Straight Index Plungers (Rotary Cam, Standard Mount)

    Straight Index Plungers (Rotary Cam, Standard Mount)

    Spring-Loaded Devices

    Now also available in metric sizes!

    Index plungers are precision, heavy-duty assemblies with a retractable spring-loaded plunger and a matching locating bushing (order separately). Straight Index Plungers have an entirely cylindrical plunger with a slight radius at the tip, used together with a straight bushing. A straight plunger provides slightly greater positional accuracy (also available with a tapered plunger, for easier alignment). Rotary-cam action completely retracts the plunger when the handle is rotated 180°. Cam surfaces are hardened steel. Made in the USA.

    The standard-mount configuration shown here has a whistle notch on the Index Plunger for orientation with a setscrew. This configuration is available in three sizes, with the following inch and metric plunger diameters:

    1/2" and 12mm
    3/4" and 20mm
    1"

    Index Plungers and their matching bushings feature a precision-ground body diameter but are also available with a slightly oversize unground OD to allow custom grinding to size.

    Installation

    Index plungers are manufactured with precision working tolerances and are designed for very light interference-fit installations to avoid binding of the mechanism. Setscrews with nylon tip inserts are recommended. Setscrews should firmly contact the whistle notch, but not exert significant force.

    Material

    Plunger, body, and cam > 1144 steel, heat treated Rc 50-55. Center shaft > 11L44 steel. Spring > Music wire. Ball knob > Black phenolic plastic with molded-in brass insert. Bushing > 1144 steel, heat treated. DFARS and RoHS compliant.

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    Picture of BUSHING FOR STRAIGHT INDEX PLUNGER CL-22026-SIPB

    BUSHING FOR STRAIGHT INDEX PLUNGER CL-22026-SIPB

    Call for pricing
    Index plungers are precision, heavy-duty assemblies with a retractable spring-loaded plunger and a matching locating bushing. Straight Index Plungers have an entirely cylindrical plunger with a slight radius at the tip, used together with a straight bushing. A straight plunger provides slightly greater positional accuracy (also available with a tapered plunger, for easier alignment). The rotary-cam version completely retracts when the handle is rotated 180°. Cam surfaces are hardened steel. The standard-mount configuration shown here has a precision ground body with a whistle notch for orientation with a setscrew (also available with a slightly oversize unground body to allow custom grinding to size). Order plunger and bushing separately. Made in USA.
    Picture of BUSHING FOR STRAIGHT INDEX PLUNGER CL-22126-SIPB

    BUSHING FOR STRAIGHT INDEX PLUNGER CL-22126-SIPB

    Call for pricing
    Index plungers are precision, heavy-duty assemblies with a retractable spring-loaded plunger and a matching locating bushing. Straight Index Plungers have an entirely cylindrical plunger with a slight radius at the tip, used together with a straight bushing. A straight plunger provides slightly greater positional accuracy (also available with a tapered plunger, for easier alignment). The rotary-cam version completely retracts when the handle is rotated 180°. Cam surfaces are hardened steel. The standard-mount configuration shown here has a precision ground body with a whistle notch for orientation with a setscrew (also available with a slightly oversize unground body to allow custom grinding to size). Order plunger and bushing separately. Made in USA.
    Picture of BUSHING FOR STRAIGHT INDEX PLUNGER CL-22128-SIPB

    BUSHING FOR STRAIGHT INDEX PLUNGER CL-22128-SIPB

    Call for pricing
    Index plungers are precision, heavy-duty assemblies with a retractable spring-loaded plunger and a matching locating bushing. Straight Index Plungers have an entirely cylindrical plunger with a slight radius at the tip, used together with a straight bushing. A straight plunger provides slightly greater positional accuracy (also available with a tapered plunger, for easier alignment). The rotary-cam version completely retracts when the handle is rotated 180°. Cam surfaces are hardened steel. The standard-mount configuration shown here has a precision ground body with a whistle notch for orientation with a setscrew (also available with a slightly oversize unground body to allow custom grinding to size). Order plunger and bushing separately. Made in USA.
    Picture of BUSHING FOR STRAIGHT INDEX PLUNGER CL-22226-SIPB

    BUSHING FOR STRAIGHT INDEX PLUNGER CL-22226-SIPB

    Call for pricing
    Index plungers are precision, heavy-duty assemblies with a retractable spring-loaded plunger and a matching locating bushing. Straight Index Plungers have an entirely cylindrical plunger with a slight radius at the tip, used together with a straight bushing. A straight plunger provides slightly greater positional accuracy (also available with a tapered plunger, for easier alignment). The rotary-cam version completely retracts when the handle is rotated 180°. Cam surfaces are hardened steel. The standard-mount configuration shown here has a precision ground body with a whistle notch for orientation with a setscrew (also available with a slightly oversize unground body to allow custom grinding to size). Order plunger and bushing separately. Made in USA.
    Picture of BUSHING FOR STRAIGHT INDEX PLUNGER CL-22228-SIPB

    BUSHING FOR STRAIGHT INDEX PLUNGER CL-22228-SIPB

    Call for pricing
    Index plungers are precision, heavy-duty assemblies with a retractable spring-loaded plunger and a matching locating bushing. Straight Index Plungers have an entirely cylindrical plunger with a slight radius at the tip, used together with a straight bushing. A straight plunger provides slightly greater positional accuracy (also available with a tapered plunger, for easier alignment). The rotary-cam version completely retracts when the handle is rotated 180°. Cam surfaces are hardened steel. The standard-mount configuration shown here has a precision ground body with a whistle notch for orientation with a setscrew (also available with a slightly oversize unground body to allow custom grinding to size). Order plunger and bushing separately. Made in USA.
    Picture of STRAIGHT INDEX PLUNGER CL-22004-SIP

    STRAIGHT INDEX PLUNGER CL-22004-SIP

    Call for pricing
    Index plungers are precision, heavy-duty assemblies with a retractable spring-loaded plunger and a matching locating bushing. Straight Index Plungers have an entirely cylindrical plunger with a slight radius at the tip, used together with a straight bushing. A straight plunger provides slightly greater positional accuracy (also available with a tapered plunger, for easier alignment). The rotary-cam version completely retracts when the handle is rotated 180°. Cam surfaces are hardened steel. The standard-mount configuration shown here has a precision ground body with a whistle notch for orientation with a setscrew (also available with a slightly oversize unground body to allow custom grinding to size). Order plunger and bushing separately. Made in USA.

    Straight Index Plungers (Rotary Cam, Standard Mount)