10pcs M16x20 Screw Thread Ball Plunger High Carbon Steel Hex Socket…
Our summary
Harfington offers a pack of 10 M16x20 screw thread ball plungers, made from high-carbon steel with a hex socket spring ball design. Each piece costs $1.39, which is roughly 4.5 times the typical price for a fastener in this category. The pack provides a set of durable components for applications requiring spring-loaded positioning.
10 piece in this pack
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4× the screws, bolts & fasteners median. Cheapest is $0.007/piece →
Price & stock last checked
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- Rank by cost per piece
- 31303 of 32,052
- vs category median
- +326%
Cheaper per piece in screws, bolts & fasteners


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At $1.39/piece, 10pcs M16x20 Screw Thread Ball Plunger High… is on the pricey side for screws, bolts & fasteners — the screws, bolts & fasteners we track range from $0.007 to $6.18/piece (median $0.33). This listing's price was last checked 5 hours ago.
| Cheapest screws, bolts & fasteners / piece | $0.007 |
| Median | $0.33 |
| This deal | $1.39 |
| Most expensive | $6.18 |
Timing tip: see the cheapest month to buy screws, bolts & fasteners.
About this screws, bolts & fasteners listing
Is 10pcs M16x20 Screw Thread Ball Plunger High… a good deal?
On the pricey side — $1.39/piece against a screws, bolts & fasteners median of $0.33/piece, ranking 31303 of 32,052.
What does $1.39/piece mean?
It's the real cost per piece — the price divided by the pieces in the pack (10 piece). Comparing per piece lets a big pack and a small one line up on the same scale, so you see true value instead of sticker price.
How many screws, bolts & fasteners are cheaper per piece?
31,302 of the 32,052 screws, bolts & fasteners we track, which puts this one 31303rd by cost per piece. The next cheapest is $1.39/piece.
What should I pay for screws, bolts & fasteners?
Across 32,052 tracked screws, bolts & fasteners, under $0.14/piece is a genuinely good price, around $0.33/piece is typical, and above $0.64/piece you are paying over the odds.
Confirm the live price at the retailer before buying.
