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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 Plungers

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.

Steel Short Spring Plungers with Light Spring Pressures
Product Information

Steel Short Spring Plungers with Light Spring Pressures

Bodies are 12L14 steel with a black oxide finish.

Noses are case hardened 12L14 steel zinc plated.

The nylon locking element holds the plunger body securely in place without the need for lock nuts or other devices. We recommend a 90 degree countersink 1/32" larger than the major diameter of the mating thread to prevent damaging the element.

To prevent possible spring damage, use of a Northwestern Wrench is recommended when installing from plunger end.
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Steel Short Spring Plungers with Light Spring Pressures
Heat Treated Zinc Plated Steel Nose
With
Lock Ele.
Part No.		 Without
Lock Ele.
Part No.		 End
Pressures
Lbs. Start		 End
Pressures
Lbs. 1/2		 End
Pressures
Lbs. Full		 A B C +.000
-.002
D		 Net Lbs.
Per 100
33200 33200P 0.5 1.0 1.5 #8-32 7/16 .052 .070 1/2
33203 33203P 0.5 1.0 1.5 #8-36 7/16 .052 .070 1/2
33205 33205P 0.75 1.62 2.5 #10-32 15/32 .065 .093 1/2
33208 33208P 1.0 2.25 3.5 1/4-20 17/32 .078 .119 1/2
33210 33210P 1.5 2.75 4.0 5/16-18 9/16 .084 .135 1
33212 33212P 1.5 3.25 5.0 3/8-16 5/8 .110 .186 1-1/2
33214 33214P 1.75 3.62 5.5 1/2-13 3/4 .151 .248 2-1/2
33216 33216P 2.0 5.25 8.5 5/8-11 1-1/16 .215 .310 6
White Delrin Nose
33300 33300P 0.5 1.0 1.5 #8-32 7/16 .052 .070 1/2
33302 33302P 0.5 1.0 1.5 #8-36 7/16 .052 .070 1/2
33304 33304P 0.75 1.62 2.5 #10-32 15/32 .065 .093 1/2
33306 33306P 1.0 2.25 3.5 1/4-20 17/32 .078 .119 1/2
33308 33308P 1.5 2.75 4.0 5/16-18 9/16 .084 .135 1
33310 33310P 1.5 3.25 5.0 3/8-16 5/8 .110 .186 1
33312 33312P 1.75 3.62 5.5 1/2-13 3/4 .151 .248 2
33314 33314P 2.0 5.25 8.5 5/8-11 1-1/16 .215 .310 5

All parts conform to TCMAI Standards