stainless steel indexing plungers: locking index plunger 01
stainless steel indexing plungers: short indexing plungers 05
stainless steel indexing plungers: spring loaded indexing plunger 06
Indexing Plunger

Stainless Steel Indexing Plungers

Stainless steel indexing plungers - with external threads and knurled heads, in stainless steel. Wholesale supply with OEM/ODM customization.

Specifications

Type
Indexing plunger
Handle
Knurled head, external thread
Thread / sizes
Standard and custom sizes to drawing
Material
Stainless steel
Customization
OEM/ODM to drawing or sample
Brand
SKN Fastener Co., Ltd.
Origin
Made in Shenzhen, China
Quotation
Send drawing or sample to sales@sknfastener.com

Overview

Stainless steel indexing plungers: press or pull the handle to retract the spring-loaded pin, reposition the part, and release to lock. Stainless Steel Indexing Plungers are shown in the product photos.

Available Sizes and Options

Standard and custom sizes: tell us the thread size, plunger length, and quantity you need, or send a drawing - we manufacture to specification under our OEM/ODM service.
Types and materials (MSB / SMSB) (from the specification sheet in the product photos):
Specification sheet: Types and materials (MSB / SMSB)

Type
D tolerance
Material
Hardness
Surface treatment
Strength class
MSB
e9
SCM435
33 - 38 HRC
-
10.9
SMSB
e9
SUS304
-
-
A2-50
Shoulder diameters D and lengths L (mm). An asterisk (*) marks the sizes also available in stainless steel MT319; ordering example: 318-4*10 (from the specification sheet in the product photos):
Specification sheet: Shoulder diameters D and lengths L (mm). An asterisk (*) marks the sizes also available in stainless steel MT319; ordering example: 318-4*10

D
F
L
4
5
*10, *15, *20, *25, *30, 35, *40, 45
4.5
6
*10, *15, *20, *25, *30, *35, *40, 45, 50
5
6
*10, *15, *20, *25, *30, 35, *40, 45, 50
5.5
7
*10, *15, *20, *25, *30, *35, *40, 45, 50, 55
6
7
*10, *15, *20, *25, *30, 35, *40, 45, 50, 55, 60, 65, 70
6.5
9
*10, *15, *20, *25, *30, *35, *40, *45, *50, 55, 60, 65, 70, 75, 80
8
9
*10, *15, *20, *25, *30, *35, *40, *45, *50, *55, *60, *65, *70, *75, *80, 85, 90, 95, 100, 110, 120
10
12
*10, *15, *20, *25, *30, *35, *40, *45, *50, *55, *60, *65, *70, *75, *80, *85, *90, 95, 100, 110, 120
12
12
10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100
13
16
10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 110, 120, 130
16
18
15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 110, 120, 130, 140, 150
20
24
40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150
Head dimensions (mm), D tolerance e9 (from the specification sheet in the product photos):
Specification sheet: Head dimensions (mm), D tolerance e9

D
D tolerance
A
B
C
E
M x P
T
4
-0.02/-0.05
6.5
2.5
1.6
3
2.5x0.45
4.5
4.5
-0.02/-0.05
7
2.5
1.6
3
3x0.5
5
5
-0.02/-0.05
8
2.5
1.6
3.5
3x0.5
5.5
5.5
-0.02/-0.05
9
3
2.2
4
4x0.7
6
6
-0.02/-0.05
9
3
2
4
4x0.7
6.5
6.5
-0.025/-0.061
10
4
2.5
5
5x0.8
7
8
-0.025/-0.061
13
5
3
6
6x1.0
8.7
10
-0.025/-0.061
16
6
4
8
8x1.25
10.8
12
-0.032/-0.075
17
6
4
8
8x1.25
12.8
13
-0.032/-0.075
18
8
5
10
10x1.5
14
16
-0.032/-0.075
24
10
7
14
12x1.75
17
20
-0.04/-0.092
27
14
9
18
16x2.0
21

Materials and Finishes

Stainless steel. Special material and finish requirements follow your drawing.

Applications

Machine builds, fixtures, jigs, and adjustable stops where parts must be positioned or indexed without tools. SKN fasteners serve six industries: manufacturing, aviation equipment, industrial equipment, medical devices, stage and entertainment, and the marine industry.

Buyer FAQs

Q: What information do you need to quote?
A: The plunger type, thread size, plunger length, material, and quantity. A drawing or sample speeds everything up.
Q: Can you manufacture from a sample?
A: Yes. Send the sample or a drawing and we manufacture to match.
Q: Do you ship worldwide?
A: Yes. We supply B2B customers worldwide from Shenzhen with export packing.

Why SKN

Advantages you can measure

Three strengths built into every pin SKN Fastener ships.

01 / Precision tolerances1

Precision tolerances, reliable resetting

The center core and ball socket are fitted with precise tolerances and rigorously tested over a hundred thousand times to guarantee accurate resetting.

Tolerance & resetting
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02 / Wide range of sizes2

A hundred sizes in routine stock

Our routine stock includes a hundred different sizes to suit different applications and occasions.

Size range
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03 / Customized solutions3

Non-standard dimensions, worry-free

A vast historical database supports worry-free customization for non-standard dimensions.

Customization
Get a quote
CNC Lathe Workshop Clean

Custom manufacturing

OEM and ODM, made to your drawing.

Send your drawing or sample. We quote, manufacture, and ship from our own CNC workshop in Shenzhen.

CNC turning

Precision parts machined on CNC lathes in-house.

To your drawing

Dimensions, threads, and features per your specification.

Wholesale supply

Production runs for B2B customers worldwide.

Get a quote

Buyer FAQs

Questions buyers ask before they order

Quick answers about quoting, OEM/ODM, minimum order, and shipping.

Not sure which pin fits your application? Send us a message and our team will help.

Explore more

Our product lines

Browse the full range - the catalog keeps growing.

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