Hand-Retractable Plungers – Knob Handle

Spring-Loaded Devices

Precision indexing plunger with an attractive knob handle for convenient retraction. Threaded-body version allows adjustment and can be secured with an optional Jam Nut. Provides high strength and durability in an extremely compact assembly. Hardened and ground plunger. Available in the two types shown below, locking and non-locking.

The tip has a slight taper for easy alignment. Available in thread sizes 3/8-24, 1/2-13, and 5/8-11.

Locking Type

The locking type shown here has a spring-loaded plunger that locks in retracted position. To lock, pull the knurled knob back and turn 90°. Body is notched at 90° to keep the knob in its retracted position.

Non-Locking Type

The non-locking type shown here has a spring-loaded plunger that stays extended by spring force except when manually held in retracted position.

Material

Knob > Matte black fiber-reinforced nylon thermoplastic (textured surface for secure gripping, excellent impact resistance, operating temperatures to 230°F). Plunger > Steel, heat treated. Body > Steel, black oxide finish. Jam Nut > Mild steel, black oxide finish. DFARS and RoHS compliant.

HAND-RETRACTABLE PLUNGERS

KNOB HANDLE, LOCKING TYPE (USA) PART NO. A B DIA C D E F DIA G J L END FORCE (LBS) JAM NUT (OPTIONAL) NOMINAL ACTUAL INITIAL FINAL CL-6-HRPK-L 3/8-24 5mm .1961/.1953 .20 .67 .59 .83 .20 12mm 1.73 1.6 3.6 CL-6-FJN CL-8-HRPK-L 1/2-13 6mm .2354/.2346 .24 .79 .67 .98 .24 14mm 2.09 1.5 3.4 CL-8-JN CL-10-HRPK-L 5/8-11 8mm .3142/.3134 .28 1.02 .91 1.22 .31 19mm 2.62 2.7 7.0 CL-10-JN

KNOB HANDLE, NON-LOCKING TYPE (USA) PART NO. A B DIA C D E F DIA G J L END FORCE (LBS) JAM NUT (OPTIONAL) NOMINAL ACTUAL INITIAL FINAL CL-6-HRPK-N 3/8-24 5mm .1961/.1953 .20 .67 .59 .83 .20 12mm 1.54 1.6 3.6 CL-6-FJN CL-8-HRPK-N 1/2-13 6mm .2354/.2346 .24 .79 .67 .98 .24 14mm 1.85 1.5 3.4 CL-8-JN CL-10-HRPK-N 5/8-11 8mm .3142/.3134 .28 1.02 .91 1.22 .31 19mm 2.32 2.7 7.0 CL-10-JN