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  • Contoured knob
  • Unified ANSI & metric threads
DELRIN KNOB / STEEL BODY:
  • Body: Steel
  • Nose: Case Hardened Steel
  • Knob: Black Delrin
DELRIN KNOB / STAINLESS STEEL BODY:
  • Body: Stainless Steel
  • Nose: Stainless Steel
  • Knob: White Delrin
  • Ideal for food and medical applications
No thread relief
Initial End Force ±50%, Final End Force ±25%

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Delrin® Knob Hand Retractable Spring Plungers - Steel & Stainless Steel: Locking, Imperial
Delrin® Knob Hand Retractable Spring Plungers - Steel & Stainless Steel: Locking, Imperial_2
Unit of Measure
1 

Item #

Initial End Force

Final End Force

Thread Size (A)

Body Length (F)

Projection Size (C)

Thread Locking Element

List Price

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58302 N/A 0.25 lb N/A 2.00 lb N/A 3/8-16 N/A 1.400 in N/A 0.180 in N/A 1 $21.10
58302X N/A 0.25 lb N/A 2.00 lb N/A 3/8-16 N/A 1.400 in N/A 0.180 in N/A 0 $20.02
58301 N/A 0.12 lb N/A 0.36 lb N/A 1/4-20 N/A 0.970 in N/A 0.130 in N/A 1 $18.36
58301X N/A 0.12 lb N/A 0.36 lb N/A 1/4-20 N/A 0.970 in N/A 0.130 in N/A 0 $17.45
58303 N/A 0.50 lb N/A 1.75 lb N/A 1/2-13 N/A 1.900 in N/A 0.250 in N/A 1 $24.88
58303X N/A 0.50 lb N/A 1.75 lb N/A 1/2-13 N/A 1.900 in N/A 0.250 in N/A 0 $23.64
Unit of Measure
1