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  • Available in zinc-plated steel or stainless steel.
  • just add your own knob to customize the adapter to create a hand retractable plunger that meets your requirements. See photos at the bottom of this page.
  • All plungers include nylon pellet locking element.

    Non-Locking Design
    (Plunger nose cannot be retracted and locked without manually pulling back and holding in the retracted position).

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Item #

Item Name

Material

End Pressure Start

End Pressure Full

Thread (A)

B

C

D

Thread (E)

F

List Price

HRP-520 N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Steel N/A 1 lbs. N/A 3 lbs. N/A 10-32 N/A 13/32 in. N/A 3/32 in. N/A 0.104 in. N/A 10-32 N/A 15/64 in. $9.55
HRP-521 N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Steel N/A 1 lbs. N/A 5 lbs. N/A 1/4-20 N/A 1/2 in. N/A 1/8 in. N/A 0.124 in. N/A 10-32 N/A 15/64 in. $9.55
HRP-522 N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Steel N/A 1.5 lbs. N/A 6 lbs. N/A 5/16-18 N/A 5/8 in. N/A 3/16 in. N/A 0.155 in. N/A 1/4-20 N/A 11/32 in. $10.45
HRP-523 N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Steel N/A 1.5 lbs. N/A 8 lbs. N/A 3/8-16 N/A 3/4 in. N/A 7/32 in. N/A 0.186 in. N/A 5/16-18 N/A 13/32 in. $11.50
HRP-524 N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Steel N/A 2.50 lbs. N/A 10 lbs. N/A 1/2-13 N/A 7/8 in. N/A 1/4 in. N/A 0.249 in. N/A 3/8-16 N/A 7/16 in. $12.25
HRP-525 N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Steel N/A 5 lbs. N/A 10 lbs. N/A 5/8-11 N/A 1 in. N/A 5/16 in. N/A 0.311 in. N/A 1/2-13 N/A 7/16 in. $13.50
HRP-520SS N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Stainless Steel N/A 1 lbs. N/A 3 lbs. N/A 10-32 N/A 13/32 in. N/A 3/32 in. N/A 0.104 in. N/A 10-32 N/A 15/64 in. $17.85
HRP-521SS N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Stainless Steel N/A 1 lbs. N/A 5 lbs. N/A 1/4-20 N/A 1/2 in. N/A 1/8 in. N/A 0.124 in. N/A 10-32 N/A 15/64 in. $17.85
HRP-522SS N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Stainless Steel N/A 1.5 lbs. N/A 6 lbs. N/A 5/16-18 N/A 5/8 in. N/A 3/16 in. N/A 0.155 in. N/A 1/4-20 N/A 11/32 in. $19.20
HRP-523SS N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Stainless Steel N/A 1.5 lbs. N/A 8 lbs. N/A 3/8-16 N/A 3/4 in. N/A 7/32 in. N/A 0.186 in. N/A 5/16-18 N/A 13/32 in. $22.15
HRP-524SS N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Stainless Steel N/A 2.50 lbs. N/A 10 lbs. N/A 1/2-13 N/A 7/8 in. N/A 1/4 in. N/A 0.249 in. N/A 3/8-16 N/A 7/16 in. $25.50
HRP-525SS N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Stainless Steel N/A 5 lbs. N/A 10 lbs. N/A 5/8-11 N/A 1 in. N/A 5/16 in. N/A 0.311 in. N/A 1/2-13 N/A 7/16 in. $27.85
HRP-530 N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Steel N/A 0.5 lbs. N/A 1.5 lbs. N/A 10-32 N/A 13/32 in. N/A 3/32 in. N/A 0.104 in. N/A 10-32 N/A 15/64 in. $9.55
HRP-531 N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Steel N/A 0.5 lbs. N/A 2.5 lbs. N/A 1/4-20 N/A 1/2 in. N/A 1/8 in. N/A 0.124 in. N/A 10-32 N/A 15/64 in. $9.55
HRP-532 N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Steel N/A 0.75 lbs. N/A 3 lbs. N/A 5/16-18 N/A 5/8 in. N/A 3/16 in. N/A 0.155 in. N/A 1/4-20 N/A 11/32 in. $10.45
HRP-533 N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Steel N/A 0.75 lbs. N/A 4 lbs. N/A 3/8-16 N/A 3/4 in. N/A 7/32 in. N/A 0.186 in. N/A 5/16-18 N/A 13/32 in. $11.50
HRP-534 N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Steel N/A 1.25 lbs. N/A 5 lbs. N/A 1/2-13 N/A 7/8 in. N/A 1/4 in. N/A 0.249 in. N/A 3/8-16 N/A 7/16 in. $13.50
HRP-535 N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Steel N/A 3 lbs. N/A 6 lbs. N/A 5/8-11 N/A 1 in. N/A 5/16 in. N/A 0.311 in. N/A 1/2-13 N/A 7/16 in. $13.10
HRP-530SS N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Stainless Steel N/A 0.5 lbs. N/A 1.5 lbs. N/A 10-32 N/A 13/32 in. N/A 3/32 in. N/A 0.104 in. N/A 10-32 N/A 15/64 in. $17.85
HRP-531SS N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Stainless Steel N/A 0.5 lbs. N/A 2.5 lbs. N/A 1/4-20 N/A 1/2 in. N/A 1/8 in. N/A 0.124 in. N/A 10-32 N/A 15/64 in. $17.85
HRP-532SS N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Stainless Steel N/A 0.75 lbs. N/A 3 lbs. N/A 5/16-18 N/A 5/8 in. N/A 3/16 in. N/A 0.155 in. N/A 1/4-20 N/A 11/32 in. $19.20
HRP-533SS N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Stainless Steel N/A 0.75 lbs. N/A 4 lbs. N/A 3/8-16 N/A 3/4 in. N/A 7/32 in. N/A 0.186 in. N/A 5/16-18 N/A 13/32 in. $22.15
HRP-534SS N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Stainless Steel N/A 1.25 lbs. N/A 5 lbs. N/A 1/2-13 N/A 7/8 in. N/A 1/4 in. N/A 0.249 in. N/A 3/8-16 N/A 7/16 in. $25.50
HRP-535SS N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Stainless Steel N/A 3 lbs. N/A 6 lbs. N/A 5/8-11 N/A 1 in. N/A 5/16 in. N/A 0.311 in. N/A 1/2-13 N/A 7/16 in. $27.85
HRP-570 N/A Hand Retractable Plungers with Threaded Adapter/Non-Locking N/A Steel N/A 4.5 newtons lbs. N/A 15.5 newtons lbs. N/A M5 x .8 N/A 10.3 mm in. N/A 2.36 mm in. N/A 2 mm in. N/A 10-32 N/A 5.9 mm in. $12.10
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