Delrin® Knob Plungers

Steel

Featuring locking and non locking plunger

The Delrin® knob offers excellent versatility and wide application potential. Featuring either a locking or non locking plunger nose.

Typical Uses

  • Positioning
  • Fastening
  • Securing
  • With Thread Lock
  • Latching
  • Quick disconnect

Special Features

  • Contoured Delrin® knob
  • Radiused, case-hardened steel plunger
  • Tough steel body and spring
  • Attractive, black finish
  • Non-locking design and optional locking elements
  • Unified ANSI and metric threads
Download the PDF 
Non locking
Non locking
ANSI (Inch/American) Tables
Metric Tables
CAD Library

Delrin® Knob Plungers - Non locking plunger nose - Steel

Part No.End Force, (Lbs.)ABCDEFGHROHSCAD
CAD
With Thread Lock
With Thread LockInitialFinal
PRT250*PRT250P*0.120.41/4-200.500.130.160.500.970.631/4PRT250PRT250P
PRT375PRT375P0.252.03/8-160.750.180.250.751.400.943/8PRT375PRT375P
PRT500PRT500P0.501.81/2-131.000.250.311.001.901.251/2PRT500PRT500P

No thread relief in 1/4-20 thread size and M6 thread for metric.

Delrin Knob Plungers - Locking plunger nose - Steel

Part No.End Force, (Lbs.)ABCDEFGHROHSCAD
CAD
With Thread Lock
With Thread LockInitialFinal
PRTL250*PRTL250P*0.120.361/4-200.500.130.160.500.970.631/4PRTL250PRTL250P
PRTL375PRTL375P0.252.003/8-160.750.180.250.751.400.943/8PRTL375PRTL375P
PRTL500PRTL500P0.501.751/2-131.000.250.311.001.901.251/2PRTL500PRTL500P

No thread relief in 1/4-20 thread size and M6 thread for metric.

Delrin® Knob Plungers - Non Locking Plunger Nose - Steel

Without Thread LockWith Thread LockEnd Force, NABCDEFGH
Hex		ROHSCAD
Non- With Thread Lock		CAD
With Thread Lock
InitialFinal
MPRT6*MPRT6P*0.51.5M6 x 1.013.03.03.012.025.016.06.0MPRT6MPRT6P
MPRT10MPRT10P1.09.0M10 x 1.520.05.06.019.038.025.010.0MPRT10MPRT10P
MPRT12MPRT12P2.58.0M12 x 1.7525.06.08.025.047.031.012.0MPRT12MPRT12P

No thread relief in 1/4-20 thread size and M6 thread for metric.

Delrin® Knob Plungers - Locking Plunger Nose - Steel

Without Thread LockWith Thread LockEnd Force, NABCDEFGH
Hex		ROHSCAD
Non- With Thread Lock		CAD
With Thread Lock
InitialFinal
MPRTL6*MPRTL6P*0.51.5M6 x 1.013.03.03.012.025.016.06.0MPRTL6MPRTL6P
MPRTL10MPRTL10P1.09.0M10 x 1.520.05.06.019.038.025.010.0MPRTL10MPRTL10P
MPRTL12MPRTL12P2.58.0M12 x 1.7525.06.08.025.047.031.012.0MPRTL12MPRTL12P

No thread relief in 1/4-20 thread size and M6 thread for metric.

Download the PDF 
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