๐ŸŒ Worldwide shipping ยท 30-day returns ยท Rated Excellent on Trustpilot โ˜…โ˜…โ˜…โ˜…ยฝ
Price
$22.99
sourcing map 10pcs Screw Thread Ball Plunger M8 x 20mm, Black โ€” image 1
Plungerssourcing mapโœ“ In stock

sourcing map 10pcs Screw Thread Ball Plunger M8 x 20mm, Black

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$22.99
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About this item
  • Size - You will receive 10pcs of hexagon socket ball plungers with thread specification M8, total length 0.79" (20mm), hexagon socket opposite side 0.16" (4mm), thread pitch 0.05" (1.25mm), ball plunger diameter 0.16" (4mm), ball plunger exposed size 0.05" (1.25mm), spring load 12-50N.
  • Material - Our ball head plunger and housing are made of high-strength high-carbon steel, with blackened heat treatment on the surface, smooth inside and outside without burrs, corrosion-resistant, rust-resistant and wear-resistant, sturdy and durable.
  • Feature - 12.9 grade high-strength hexagonal design, precise size, neat and clear threads, uniform force, and installation is not easy to slip. High-precision spring mechanism design, using 65Mn material, strong spring load force, can be fine-tuned without loosening the screw, reducing surface wear.
  • Application - This spring plunger is an important workpiece for providing pressure, fixing and precise positioning, and is widely used in mechanical equipment, fixtures, automated machines, etc.
  • Notice - The ball head plunger is small in size, flexible and convenient to install, and has a good locking effect. It is very suitable for projects that require high efficiency. Please allow a slight tolerance due to manual measurement.
Product description

1. Our ball head plunger and housing are made of high-strength high-carbon steel, with blackened heat treatment on the surface, smooth inside and outside without burrs, corrosion-resistant, rust-resistant and wear-resistant, sturdy and durable. 2. 12.9 grade high-strength hexagonal design, precise size, neat and clear threads, uniform force, and installation is not easy to slip. High-precision spring mechanism design, using 65Mn material, strong spring load force, can be fine-tuned without loosening the screw, reducing surface wear. 3. This spring plunger is an important workpiece for providing pressure, fixing and precise positioning, and is widely used in mechanical equipment, fixtures, automated machines, etc. 4. The ball head plunger is small in size, flexible and convenient to install, and has a good locking effect. It is very suitable for projects that require high efficiency. 5. Note: Please allow a slight tolerance due to manual measurement.

Product details
Brand
sourcing map
Manufacturer
sourcing map
Material
Carbon Steel
Size
M8x20
Part number
a25071700ux0858

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
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Excellent
4.5 average rating
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S
Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1โ€“2 of 10 reviews

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sourcing map 10pcs Screw Thread Ball Plunger M8 x 20mm, Black | Bigamart