Plungers - Ball Threaded - Steel

Plungers -> Ball Threaded -> Steel

There are 3 products in the sub-categories of Plungers - Ball Threaded - Steel. Browse the Plungers - Ball Threaded - Steel products table. To narrow down the selection, please choose a sub-category from the links below.

Category Details

This category includes various types of ball threaded plungers.
  • Spring-loaded mechanical component with a threaded body, used for locating, securing, or applying pressure.
  • When pressure is applied to the ball, it compresses the internal spring and can be temporarily pushed into the body, allowing parts to be moved, and then it springs back to its original position to hold them in place.

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Plungers - Ball Threaded - Steel category on the MBA Minibearings main store.
Thread Size (D) Body Length (L) Initial Pressure (F1) Final Pressure (F2) Ball Diameter (D1) Ball Height (H) Indicative
Image
Thread Size (D)
M4 (4x0.7mm)

Body Length (L)
9.0
mm

(Equiv. 0.354 in.)
Initial Pressure (F1)
4.0
N
Final Pressure (F2)
10.0
N
Ball Diameter (D1)
2.5
mm
Ball Height (H)
0.8
mm
Ball Threaded Plungers - M4 - 4x0.7mm - 9 mm - 4 N - Steel
Material: Steel   
Category: Plungers - Ball Threaded - Steel - Standard
Part Number: PLBT-040M-090-C-010 (PK-10)
Ball Threaded Plungers - M4 - 4x0.7mm - 9 mm - 4 N - Steel Plunger
499 units (4990 pcs) Available Now | Further orders can be expected around Wed, Feb 11, 2026
$20.95 AUD
$20.95 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

499 units (4990 pcs) Available Now. Backorder if more than 499.
Thread Size (D) Body Length (L) Initial Pressure (F1) Final Pressure (F2) Indicative
Image
Thread Size (D)
M4 (4x0.7mm)

Body Length (L)
9.0
mm

(Equiv. 0.354 in.)
Initial Pressure (F1)
4.0
N
Final Pressure (F2)
10.0
N
Ball Threaded Plungers - M4 - 4x0.7mm - 9 mm - 4 N - Steel
Material: Steel    Ball Diameter (D1): 2.5 mm    Ball Height (H): 0.8 mm   
Category: Plungers - Ball Threaded - Steel - Standard
Part Number: PLBT-040M-090-C-010 (PK-10)
Ball Threaded Plungers - M4 - 4x0.7mm - 9 mm - 4 N - Steel Plunger
499 units (4990 pcs) Available Now | Further orders can be expected around Wed, Feb 11, 2026
$20.95 AUD
$20.95 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

499 units (4990 pcs) Available Now. Backorder if more than 499.
Thread Size (D)
1/2-13 UNC (12.7mm)

Body Length (L)
26.7
mm

(Equiv. 1.051 in.)
Initial Pressure (F1)
26.7
N
Final Pressure (F2)
53.4
N
Ball Diameter (D1)
7.2
mm
Ball Height (H)
1.8
mm
Ball Threaded Plungers - 1/2-13 UNC - 12.7mm - 26.7 mm - 26.7 N - Steel
Material: Steel   
Category: Plungers - Ball Threaded - Steel - Standard
Part Number: PLBT-127C-267-C-053 (Each)
Ball Threaded Plungers - 1/2-13 UNC - 12.7mm - 26.7 mm - 26.7 N - Steel Plunger
4 Available Now | Further orders can be expected around Tue, Dec 30, 2025
$12.50 AUD
$25.59 AUD $12.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. Backorder if more than 4.
Thread Size (D)
1/2-13 UNC (12.7mm)

Body Length (L)
26.7
mm

(Equiv. 1.051 in.)
Initial Pressure (F1)
26.7
N
Final Pressure (F2)
53.4
N
Ball Threaded Plungers - 1/2-13 UNC - 12.7mm - 26.7 mm - 26.7 N - Steel
Material: Steel    Ball Diameter (D1): 7.2 mm    Ball Height (H): 1.8 mm   
Category: Plungers - Ball Threaded - Steel - Standard
Part Number: PLBT-127C-267-C-053 (Each)
Ball Threaded Plungers - 1/2-13 UNC - 12.7mm - 26.7 mm - 26.7 N - Steel Plunger
4 Available Now | Further orders can be expected around Tue, Dec 30, 2025
$12.50 AUD
$25.59 AUD $12.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. Backorder if more than 4.
Thread Size (D)
M20 (20x2.5mm)

Body Length (L)
30.0
mm

(Equiv. 1.181 in.)
Initial Pressure (F1)
78.4
N
Final Pressure (F2)
147.6
N
Ball Diameter (D1)
11.9
mm
Ball Height (H)
4.5
mm
Ball Threaded Plungers - M20 - 20x2.5mm - 30 mm - 78.4 N - Steel
Material: Steel   
Category: Plungers - Ball Threaded - Steel - Standard
Part Number: PLBT-200M-300-C-148 (Each)
Ball Threaded Plungers - M20 - 20x2.5mm - 30 mm - 78.4 N - Steel Plunger
1 Available Now | Further orders can be expected around Tue, Jan 13, 2026
$15.41 AUD
$31.50 AUD $15.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
Thread Size (D)
M20 (20x2.5mm)

Body Length (L)
30.0
mm

(Equiv. 1.181 in.)
Initial Pressure (F1)
78.4
N
Final Pressure (F2)
147.6
N
Ball Threaded Plungers - M20 - 20x2.5mm - 30 mm - 78.4 N - Steel
Material: Steel    Ball Diameter (D1): 11.9 mm    Ball Height (H): 4.5 mm   
Category: Plungers - Ball Threaded - Steel - Standard
Part Number: PLBT-200M-300-C-148 (Each)
Ball Threaded Plungers - M20 - 20x2.5mm - 30 mm - 78.4 N - Steel Plunger
1 Available Now | Further orders can be expected around Tue, Jan 13, 2026
$15.41 AUD
$31.50 AUD $15.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.