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Spring plungers are used for indexing and accurate positioning of components and come in a variety of metric and standard sizes. These components use spring-force to apply pressure so that the ball or nose will remain positioned. These plungers have different installation methods including hex socket, slotted drive and top slot for blind-holes and have light, standard, or heavy end forces available to them.

We are an ISO 9001:2015 & AS9100D certified manufacturer of Ball Plungers and Spring Plungers (including Press Fit), Short Spring, and Slotted Drive Plungers (Plunger Accessories are also available). Many types available in metric and inch sizes and in a variety of materials including stainless steel, steel, thermoplastic and etc. We also offer many styles with locking element sizes to meet your needs.

  • Hex Drive
  • Extended Nose Length
Hex Socket Drive - Light/Heavy Pressure - Inch
Hex Socket Drive - Light/Heavy Pressure - Inch
Unit of Measure
Items Hex Socket Drive - Light/Heavy Pressure - Inch
KPMM5001
Hex Socket Drive - Medium Pressure - Metric
Hex Socket Drive - Light/Heavy Pressure - Inch
KPMM5002
Hex Socket Drive - Medium Pressure - Metric
Hex Socket Drive - Light/Heavy Pressure - Inch
KPMM5003
Hex Socket Drive - Medium Pressure - Metric
Hex Socket Drive - Light/Heavy Pressure - Inch
KPMM5004
Hex Socket Drive - Medium Pressure - Metric
Hex Socket Drive - Light/Heavy Pressure - Inch
KPMM5005
Hex Socket Drive - Medium Pressure - Metric
Material N/A Carbon Steel
Spring Pressure N/A Medium
Body Length N/A 18.00 mm N/A 20.00 mm N/A 22.00 mm N/A 22.00 mm N/A 28.00 mm
Ball Height N/A 2.30 mm N/A 2.50 mm N/A 3.00 mm N/A 3.00 mm N/A 4.00 mm
Ball Diameter N/A 2.40 mm N/A 2.70 mm N/A 3.50 mm N/A 4.00 mm N/A 6.00 mm
Nose Material N/A Plastic
Hex N/A 1.50 mm N/A 2.00 mm N/A 2.50 mm N/A 3.00 mm N/A 4.00 mm
A - Thread Size N/A M5 N/A M6 N/A M8 N/A M10 N/A M12
Pressure N/A
F1 - Spring Force Initial Pressure N/A
F2 - Spring Force Final Pressure N/A
End Pressure Initial-Final N/A 1.35 to 4.50 N/A 1.57 to 4.50 N/A 2.02 to 7.87 N/A 2.02 to 7.87 N/A 2.25 to 12.36