Product Spotlight:

Our line of Press-Thru (trade marked) spring and ball plungers have the same dimensions, spring pressures, and materials as our standard press fit product line.
Press-Thru™ Spring and Ball Plungers

Our line of Press-Thru™ spring and ball plungers have the same dimensions, spring pressures, and materials as our standard press fit product line. They are designed without the flange on the nose end to allow for the insertion of the plunger from top or bottom, front or back. Simply press the body through the hole until the plunger is flush with the surface. The body is slightly over sized to fit firmly into the hole. Please contact us for a free sample, or if you need any technical information.

Steel and Stainless Steel Press-Thru™ Spring Plungers with Light Pressure
Product Information

Steel and Stainless Steel Press-Thru™ Spring Plungers with Light Pressure

The new Northwestern Press Spring Plunger has the same body dimensions, spring pressure and materials as the Press Fit Spring Plungers. It will not have the flange on the nose end. This will allow for insertion into the work piece from the top or bottom, front or back. Simply press the body so the plunger end is flush with the surface. Without the flange, these plungers may be used where less clearance is available. They are made oversized to secure firmly into the hole.

All stainless steel parts are made of 303 material

Steel bodies are made of 12L14 material with a black oxide finish.

Zinc plated nose.

Patent No. 8,261,424B1


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Steel and Stainless Steel Press-Thru™ Spring Plungers with Light Pressure
Heat Treated Steel Nose - Zinc Plated Finish/Stainless Nose
Steel
Part
No.
Stainless
Steel
Part No.
End Pressure
Lbs.
Start
End Pressure
Lbs.
Full
A B C +.001
-.002
D
Net Lbs.
Per 100
10715 10715-SS 0.50 1.0 .125 .284 .062 .070 1
10715A 10715A-SS 0.75 2.0 .157 .365 .078 .093 1
10716 10716-SS 0.75 2.5 .188 .440 .094 .121 1
10717 10717-SS 1.5 3.0 .250 .525 .125 .168 1
10718 10718-SS 2.0 5.0 .312 .688 .151 .186 1
10719 10719-SS 2.5 7.0 .375 .864 .187 .234 2
10720 10720-SS 4.0 9.0 .500 1.218 .250 .332 4
White Delrin Nose
10722 10722-SS 0.50 1.0 .125 .284 .062 .070 1
10722A 10722A-SS 0.75 2.0 .157 .365 .078 .093 1
10723 10723-SS 0.75 2.5 .188 .440 .094 .121 1
10724 10724-SS 1.5 3.0 .250 .525 .125 .168 1
10725 10725-SS 2.0 5.0 .312 .688 .151 .186 1
10726 10726-SS 2.5 7.0 .375 .864 .187 .234 2
10727 10727-SS 4.0 9.0 .500 1.218 .250 .332 4