Collection: Plungers - Spring - No Handle - Steel - Hex Nose - Standard
Plungers -> Spring -> No Handle -> Steel -> Hex Nose -> StandardThere are 7 products in the sub-categories of Plungers - Spring - No Handle - Steel - Hex Nose - Standard. Browse the Plungers - Spring - No Handle - Steel - Hex Nose - Standard products table.
Category Details
A selection of Standard Hex Nose Steel No Handle Spring Plungers. Steel body and steel hex nose
- A compact mechanical component with a spring-loaded ball or pin inside a housing that applies consistent, predictable force. Internal spring compresses when pressure is applied to the ball or pin, allowing it to settle into designated positions or recess.
- Provides a reliable holding or locating mechanism in various industrial applications where precise alignment or securing of parts is needed.
- Also known as ball plungers or spring-loaded pins.
- Items shown with Long-Lok have a dry threadlocking sealant applied to thread.
Miniature Bearings Australia - MBA Minibearings
Additional resources:
A more concise listing may be found in the Plungers - Spring - No Handle - Steel - Hex Nose - Standard category on the Small Parts & Bearings online store.
Thread Size (A) | Thread Length (B) | Initial Pressure (F1) | Final Pressure (F2) | Tip Diameter (D) | Tip Length (C) |
Indicative Image |
---|---|---|---|---|---|---|
Thread Size (A)
1/4-20 UNC (6.35mm)
|
Thread Length (B)
25.4
mm (Equiv. 1 in.) |
Initial Pressure (F1)
13.4
N |
Final Pressure (F2)
57.8
N |
Tip Diameter (D)
3.2
mm |
Tip Length (C)
4.8
mm |
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Material: Steel Body Length (B): 25.4 mm Drive: Hex | ||||||
Part Number: PLST-064C-254-CHX-058
Spring Plungers - 1/4-20 UNC - 6.35mm - 25.4 mm - 13.4 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$14.59 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
Thread Size (A) | Thread Length (B) | Initial Pressure (F1) | Final Pressure (F2) |
Indicative Image |
||
Thread Size (A)
1/4-20 UNC (6.35mm)
|
Thread Length (B)
25.4
mm (Equiv. 1 in.) |
Initial Pressure (F1)
13.4
N |
Final Pressure (F2)
57.8
N |
![]() |
||
Material: Steel Tip Diameter (D): 3.2 mm Tip Length (C): 4.8 mm Body Length (B): 25.4 mm Drive: Hex | ||||||
Part Number: PLST-064C-254-CHX-058
Spring Plungers - 1/4-20 UNC - 6.35mm - 25.4 mm - 13.4 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$14.59 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
Thread Size (A)
5/16-18 UNC (7.94mm)
|
Thread Length (B)
25.4
mm (Equiv. 1 in.) |
Initial Pressure (F1)
13.4
N |
Final Pressure (F2)
66.7
N |
Tip Diameter (D)
3.2
mm |
Tip Length (C)
4.8
mm |
![]() |
Material: Steel Body Length (B): 25.4 mm Drive: Hex | ||||||
Part Number: PLST-079C-254-CHX-067
Spring Plungers - 5/16-18 UNC - 7.94mm - 25.4 mm - 13.4 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$14.68 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
Thread Size (A)
5/16-18 UNC (7.94mm)
|
Thread Length (B)
25.4
mm (Equiv. 1 in.) |
Initial Pressure (F1)
13.4
N |
Final Pressure (F2)
66.7
N |
![]() |
||
Material: Steel Tip Diameter (D): 3.2 mm Tip Length (C): 4.8 mm Body Length (B): 25.4 mm Drive: Hex | ||||||
Part Number: PLST-079C-254-CHX-067
Spring Plungers - 5/16-18 UNC - 7.94mm - 25.4 mm - 13.4 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$14.68 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
Thread Size (A)
3/8-16 UNC (9.53mm)
|
Thread Length (B)
28.6
mm (Equiv. 1.126 in.) |
Initial Pressure (F1)
24.5
N |
Final Pressure (F2)
64.5
N |
Tip Diameter (D)
4.8
mm |
Tip Length (C)
4.8
mm |
![]() |
Material: Steel Body Length (B): 28.6 mm Drive: Hex | ||||||
Part Number: PLST-095C-286-CHX-065
Spring Plungers - 3/8-16 UNC - 9.53mm - 28.6 mm - 24.5 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$14.59 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
Thread Size (A)
3/8-16 UNC (9.53mm)
|
Thread Length (B)
28.6
mm (Equiv. 1.126 in.) |
Initial Pressure (F1)
24.5
N |
Final Pressure (F2)
64.5
N |
![]() |
||
Material: Steel Tip Diameter (D): 4.8 mm Tip Length (C): 4.8 mm Body Length (B): 28.6 mm Drive: Hex | ||||||
Part Number: PLST-095C-286-CHX-065
Spring Plungers - 3/8-16 UNC - 9.53mm - 28.6 mm - 24.5 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$14.59 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
Thread Size (A)
1/2-13 UNC (12.7mm)
|
Thread Length (B)
31.8
mm (Equiv. 1.252 in.) |
Initial Pressure (F1)
29.4
N |
Final Pressure (F2)
77.4
N |
Tip Diameter (D)
6.4
mm |
Tip Length (C)
6.4
mm |
![]() |
Material: Steel Body Length (B): 31.8 mm Drive: Hex | ||||||
Part Number: PLST-127C-318-CHX-077
Spring Plungers - 1/2-13 UNC - 12.7mm - 31.8 mm - 29.4 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$23.95 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
Thread Size (A)
1/2-13 UNC (12.7mm)
|
Thread Length (B)
31.8
mm (Equiv. 1.252 in.) |
Initial Pressure (F1)
29.4
N |
Final Pressure (F2)
77.4
N |
![]() |
||
Material: Steel Tip Diameter (D): 6.4 mm Tip Length (C): 6.4 mm Body Length (B): 31.8 mm Drive: Hex | ||||||
Part Number: PLST-127C-318-CHX-077
Spring Plungers - 1/2-13 UNC - 12.7mm - 31.8 mm - 29.4 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$23.95 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
Thread Size (A)
5/8-11 UNC (15.88mm)
|
Thread Length (B)
38.1
mm (Equiv. 1.5 in.) |
Initial Pressure (F1)
46.7
N |
Final Pressure (F2)
113.4
N |
Tip Diameter (D)
7.9
mm |
Tip Length (C)
7.9
mm |
![]() |
Material: Steel Body Length (B): 38.1 mm Drive: Hex | ||||||
Part Number: PLST-159C-381-CHX-113
Spring Plungers - 5/8-11 UNC - 15.88mm - 38.1 mm - 46.7 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$55.23 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
Thread Size (A)
5/8-11 UNC (15.88mm)
|
Thread Length (B)
38.1
mm (Equiv. 1.5 in.) |
Initial Pressure (F1)
46.7
N |
Final Pressure (F2)
113.4
N |
![]() |
||
Material: Steel Tip Diameter (D): 7.9 mm Tip Length (C): 7.9 mm Body Length (B): 38.1 mm Drive: Hex | ||||||
Part Number: PLST-159C-381-CHX-113
Spring Plungers - 5/8-11 UNC - 15.88mm - 38.1 mm - 46.7 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$55.23 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
Thread Size (A)
3/4-10 UNC (19.05mm)
|
Thread Length (B)
44.5
mm (Equiv. 1.752 in.) |
Initial Pressure (F1)
29.8
N |
Final Pressure (F2)
165.9
N |
Tip Diameter (D)
9.5
mm |
Tip Length (C)
7.9
mm |
![]() |
Material: Steel Body Length (B): 44.5 mm Drive: Hex | ||||||
Part Number: PLST-191C-445-CHX-166
Spring Plungers - 3/4-10 UNC - 19.05mm - 44.5 mm - 29.8 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$70.14 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
Thread Size (A)
3/4-10 UNC (19.05mm)
|
Thread Length (B)
44.5
mm (Equiv. 1.752 in.) |
Initial Pressure (F1)
29.8
N |
Final Pressure (F2)
165.9
N |
![]() |
||
Material: Steel Tip Diameter (D): 9.5 mm Tip Length (C): 7.9 mm Body Length (B): 44.5 mm Drive: Hex | ||||||
Part Number: PLST-191C-445-CHX-166
Spring Plungers - 3/4-10 UNC - 19.05mm - 44.5 mm - 29.8 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$70.14 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
Thread Size (A)
1-8 UNC (25.4mm)
|
Thread Length (B)
61.1
mm (Equiv. 2.406 in.) |
Initial Pressure (F1)
71.2
N |
Final Pressure (F2)
302.5
N |
Tip Diameter (D)
12.7
mm |
Tip Length (C)
12.7
mm |
![]() |
Material: Steel Body Length (B): 61.1 mm Drive: Hex | ||||||
Part Number: PLST-254C-611-CHX-302
Spring Plungers - 1-8 UNC - 25.4mm - 61.1 mm - 71.2 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$87.32 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
Thread Size (A)
1-8 UNC (25.4mm)
|
Thread Length (B)
61.1
mm (Equiv. 2.406 in.) |
Initial Pressure (F1)
71.2
N |
Final Pressure (F2)
302.5
N |
![]() |
||
Material: Steel Tip Diameter (D): 12.7 mm Tip Length (C): 12.7 mm Body Length (B): 61.1 mm Drive: Hex | ||||||
Part Number: PLST-254C-611-CHX-302
Spring Plungers - 1-8 UNC - 25.4mm - 61.1 mm - 71.2 N No Handle - Steel Plunger Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025 Regular price
$87.32 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|