Knurled Press-Fit Ball Plungers

Knurled Press-Fit Ball Plungers are press-in spring loaded devices for securing, indexing, locating and positioning in wood, soft plastic or aluminum when a threaded ball plunger is impractical or threaded adjustment is not required. Choose a nylon ball for non-marring contact or a steel ball for a hardened contact point. Bodies are available in steel or stainless steel, with stainless steel providing improved corrosion resistance and high temperature capability. Not available in metric.

Specify by:

  • Body material (steel or stainless steel)
  • Ball material (nylon or steel)
  • Knurl O.D. (0.148 in to 0.504 in)
  • End force (0.40 lbf to 8.00 lbf initial, 1.3 lbf to 18.0 lbf final)
  • Suggested installation hole diameter (0.141 in to 0.500 in, per table)

Click any row to see CAD, additional product information, or to add to quote.

Open All Tables
ANSI (Inch/American) Tables
CAD Drawing

Click any part number to see CAD, more information on part, and add to quote.

Contact Engineering
Part No.End Force, (Lbs.)A
BCDROHSCAD
Steel		CAD
Stainless
Steel
SteelStainless
Steel		InitialFinal
PFBK47SPFBK470.401.30.1480.2900.0350.094PFBK47SPFBK47
PFBK48SPFBK480.752.50.1480.2900.0350.094PFBK48SPFBK48
PFBK51SPFBK511.002.50.2100.4350.0580.156PFBK51SPFBK51
PFBK52SPFBK522.005.00.2100.4350.0580.156PFBK52SPFBK52
PFBK53SPFBK531.503.50.2540.5200.0700.188PFBK53SPFBK53
PFBK54SPFBK543.007.00.2540.5200.0700.188PFBK54SPFBK54
PFBK55SPFBK552.005.00.3160.700.0900.250PFBK55SPFBK55
PFBK56SPFBK564.0010.00.3160.700.0900.250PFBK56SPFBK56
PFBK57SPFBK572.507.00.3790.8650.1100.312PFBK57SPFBK57
PFBK58SPFBK585.0014.00.3790.8650.1100.312PFBK58SPFBK58
PFBK59SPFBK594.009.00.5041.2100.1610.437PFBK59SPFBK59
PFBK60SPFBK608.0018.00.5041.2100.1610.437PFBK60SPFBK60

Conversion Calculators

Enter known value in place of X to view results.

Metric & Inch conversion:
Inch
=
mm
Lbf/Newton Conversion:
lbf
=
N
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