Serving Manufacturing and Industrial Markets Since 1954!


Spring Plunger


spring plunger
Tool engineers can save time and labor by using Techni-Tool spring plungers.Universally used to give sure and positive controlled spring tension infixtures, jigs, detents and dies. A black oxide finish resists rusting. Hardened steel plungers assure long life.

spring plunger diagramNOTE: Techni-Tool Spring Plungers are available with two spring pressures. Black nose with standard pressure and silver nose with light pressure. Steel bodies have a black oxide finish and case hardened nose. Nylon noses are also available and are generally used with soft materials such as aluminum, brass, etc. The nylon nose has high tensile strength, excellent wear resistance and is reinforced for minimum deformation. Available in plain barrel or with nylon locking element -add “N” to part number for Nylok. pellet.

Special spring plungers can be made to your specifications. Prices are quoted upon request.

 

SPRING PLUNGER: Steel Black Nose-Standard End Pressure
Part No.
Dimensions
End Pressure (lbs.)

Plain

A

B

C

.001
D

Half-way
Compressed

Fully
Compressed

10-1
10-2
10-3
10-4C
10-4
10-4B
10-5
10-6
10-8
10-10
10-12
10-14 


6-32
8-32
10-32
1/4-20
1/4-20
1/4-28
5/16-18
3/8-16
1/2-13
5/8-11
3/4-10
1-8

17/32
5/8
3/4
3/4
1
1
1
1-1/8
1-1/4
1-1/2
1-3/4
2-13/32

1/16
3/32
1/8
1/8
5/32
5/32
3/16
3/16
1/4
5/16
5/16
1/2

.045
.069
.092
.118
.118
.118
.134
.186
.248
.311
.373
.498

3.0
5.0
7.0
5.5
8.0
8.0
9.0
10.0
12.0
18.0
22.0
42.0

4.5
7.3
11.1
9.0
13.0
13.0
15.0
14.5
17.4
25.5
37.3
68.0
SPRING PLUNGER: Steel Silver Nose-Light End Pressure
Part No. Dimensions End Pressure (lbs.)

Plain

A

B

C

#154;.001
D

Half-way
Compressed

Fully
Compressed

10-1A
10-2A
10-3A
10-4CA
10-4A
10-4BA
10-5A
10-6A
10-8A
10-10A
10-12A
10-14A

6-32
8-32
10-32
1/4-20
1/4-20
1/4-28
5/16-18
3/8-16
1/2-13
5/8-11
3/4-10
1-8

17-32
5/8
3/4
3/4
1
1
1
1-1/8
1-1/4
1-1/2
1-3/4
2-13/32

1/16
3/32
1/8
1/8
5/32
5/32
3/16
3/16
1/4
5/16
5/16
1/2

.045
.069
.092
.118
.118
.118
.134
.186
.248
.311
.373
.498

1.0
1.5
2.0
1.0
2.5
2.5
3.0
5.0
6.0
7.0
11.0
17.5

1.5
2.3
2.7
2.0
4.0
4.0
4.5
7.2
9.3
10.5
16.0
31.0
SPRING PLUNGER: Nylon Black Nose-Standard End Pressure
Part No. Dimensions End Pressure (lbs.)

Plain

A

B

C

.001
D

Half-way
Compressed

Fully
Compressed

10-2P
10-3P
10-4P
10-5P
10-6P
10-8P
10-10P

8-32
10-32
1/4-20
5/16-18
3/8-16
1/2-13
5/8-11

5/8
3/4
1
1
1-1/8
1-1/4
1-1/2

3/32
1/8
5/32
3/16
3/16
1/4
5/16

.069
.092
.118
.134
.186
.248
.311

5.0
7.0
8.0
9.0
10.0
12.0
18.0

7.3
11.1
13.0
15.0
14.5
17.4
25.5
SPRING PLUNGER: Nylon White Nose-Light End Pressure
Part No. Dimensions End Pressure (lbs.)

Plain

A

B

C

.001
D

Half-way
Compressed

Fully
Compressed

10-2PA
10-3PA
10-4PA
10-5PA
10-6PA
10-8PA
10-10PA

8-32
10-32
1/4-20
5/16-18
3/8-16
1/2-13
5/8-11

5/8
3/4
1
1
1-1/8
1-1/4
1-1/2

3/32
1/8
5/32
3/16
3/16
1/4
5/16

.069
.092
.118
.134
.186
.248
.311

1.5
2.0
2.5
3.0
5.0
6.0
7.0

2.3
2.7
4.0
4.5
7.2
9.3
10.5

 

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