PRESS-FIT BALL PLUNGERS: Shoulderless Knurled w/Steel or Nylon Ball


Part No. PFBK54
Part No. PFBK54
Part No. PFBK54
Part No. DPFBK54
Part No. DPFBK54
Part No. DPFBK54

Vlier Press-Fit Knurled Steel ball plungers are designed for simple, easy installation into wood, soft plastic or aluminum. Ideal where a threaded plunger is impractical or when threaded adjustments are not required. Nylon ball resists marring.

Special Features

  • Simple Installation
  • No thread adjustment
  • Nylon plunger resists marring
  • Stainless steel resists corrosion
  • Stainless steel withstands high temperatures
Lbf/Newton Conversion:
Enter known value and click on empty value to view results.
lbf = N
Part No.
End Force, Lbs.
(in.)
(in.)
(in.)
(in.)
Steel
Stainless
Init.
Final
A
Knurl O.D.
B
Body Length
C
Proj.
D
Ball Dia.
PFBK47 SPFBK47
0.4
1.3
0.148
0.290
0.035
0.094
PFBK48 SPFBK48
0.75
2.5
0.148
0.290
0.035
0.094
PFBK51 SPFBK51
1.0
2.5
0.210
0.435
0.058
0.156
PFBK52 SPFBK52
2.0
5.0
0.210
0.435
0.058
0.156
PFBK53 SPFBK53
1.5
3.5
0.254
0.520
0.070
0.188
PFBK54 SPFBK54
3.0
7.0
0.254
0.520
0.070
0.188
PFBK55 SPFBK55
2.0
5.0
0.316
0.700
0.090
0.250
PFBK56 SPFBK56
4.0
10.0
0.316
0.700
0.090
0.250
PFBK57 SPFBK57
2.5
7.0
0.379
0.865
0.110
0.313
PFBK58 SPFBK58
5.0
14.0
0.379
0.865
0.110
0.313
PFBK59 SPFBK59
4.0
9.0
0.504
1.210
0.161
0.438
PFBK60 SPFBK60
8.0
18.0
0.504
1.210
0.161
0.438
Lbf/Newton Conversion:
Enter known value and click on empty value to view results.
lbf = N
Part No.
End Force, Lbs.
(in.)
(in.)
(in.)
(in.)
Steel
Stainless
Init.
Final
A
Knurl O.D.
B
Body Length
C
Proj.
D
Ball Dia.
DPFBK47 DSPFBK47
0.4
1.3
0.148
0.290
0.035
0.094
DPFBK48 DSPFBK48
0.75
2.5
0.148
0.290
0.035
0.094
DPFBK51 DSPFBK51
1.0
2.5
0.210
0.435
0.058
0.156
DPFBK52 DSPFBK52
2.0
5.0
0.210
0.435
0.058
0.156
DPFBK53 DSPFBK53
1.5
3.5
0.254
0.520
0.070
0.188
DPFBK54 DSPFBK54
3.0
7.0
0.254
0.520
0.070
0.188
DPFBK55 DSPFBK55
2.0
5.0
0.316
0.700
0.090
0.250
DPFBK56 DSPFBK56
4.0
10.0
0.316
0.700
0.090
0.250
DPFBK57 DSPFBK57
2.5
7.0
0.379
0.865
0.110
0.313
DPFBK58 DSPFBK58
5.0
14.0
0.379
0.865
0.110
0.313
DPFBK59 DSPFBK59
4.0
9.0
0.504
1.210
0.161
0.438
DPFBK60 DSPFBK60
8.0
18.0
0.504
1.210
0.161
0.438