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🔩 Screws, bolts & fasteners

500Pcs M3M4M5x8/12/16/20mm Button Head Socket Cap Screws Kit Carbon…

HarfingtonHarfingtonFrom the merchant's own product feed, re-read nightlyListed 11 hours ago

Our summary

Harfington 500-piece button head socket cap screw kit in carbon steel, covering M3, M4, and M5 sizes with lengths from 8 to 20 mm. At $0.033 per piece, this kit costs roughly 89% less than the typical price for screws, bolts, and fasteners. A bulk assortment suited for projects needing multiple metric thread sizes.

Cost / piece
$0.033/ piece

500 piece in this pack

You pay
$16.58
last seen on Harfington
confirm live price
See on Harfington · $16.58

The priciest screws, bolts & fasteners deal we track costs 186× more per piece.

Price & stock last checked

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Rank by cost per piece
545 of 32,052
vs category median
−90%

Cheaper per piece in screws, bolts & fasteners

90% below the screws, bolts & fasteners median ($0.33/piece across 32052 tracked) · cheapest right now: $0.007/piece

At $0.033/piece, 500Pcs M3M4M5x8/12/16/20mm Button Head Socket Cap… is a genuinely good price 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 6 hours ago.

Where this deal sits in screws, bolts & fasteners by cost per piece
Cheapest screws, bolts & fasteners / piece$0.007
Median$0.33
This deal$0.033
Most expensive$6.18

Timing tip: see the cheapest month to buy screws, bolts & fasteners.

About this screws, bolts & fasteners listing

Is 500Pcs M3M4M5x8/12/16/20mm Button Head Socket Cap… a good deal?

A genuinely good price — $0.033/piece against a screws, bolts & fasteners median of $0.33/piece, ranking 545 of 32,052.

What does $0.033/piece mean?

It's the real cost per piece — the price divided by the pieces in the pack (500 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?

544 of the 32,052 screws, bolts & fasteners we track, which puts this one 545th by cost per piece. The next cheapest is $0.033/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.

Cheaper screws, bolts & fasteners — better value per piece

These beat this one on real cost per piece