50Pcs Button Head Socket Cap Screws M4-0.7x40mm Alloy Steel Black

Name: 50Pcs Button Head Socket Cap Screws M4-0.7x40mm Alloy Steel Black
Brand: Harfington
Price: 10.08 USD
Availability: InStock

HarfingtonHarfingtonFrom the merchant's own product feed, re-read nightlyListed 7 hours ago

Our summary

Harfington 50-piece pack of M4-0.7x40mm button head socket cap screws in alloy steel with a black finish. At $0.202 per piece, this set runs about 35% below the typical price for the category. Each screw is sized for standard M4 threading with a 40mm length.

Cost / piece

$0.20/ piece

50 piece in this pack

You pay

$10.08

last seen on Harfington
confirm live price

See on Harfington · $10.08

The priciest screws, bolts & fasteners deal we track costs 31× more per piece.

Price & stock last checked in 1 hour (Aug 23, 2026)

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Rank by cost per piece: 11238 of 32,052
vs category median: −38%

38% below the screws, bolts & fasteners median ($0.33/piece across 32052 tracked) · cheapest right now: $0.007/piece

At $0.20/piece, 50Pcs Button Head Socket Cap Screws M4-0.7x40mm… is about typical 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 in 1 hour.

Where this deal sits in screws, bolts & fasteners by cost per piece
Cheapest screws, bolts & fasteners / piece	$0.007
Median	$0.33
This deal	$0.20
Most expensive	$6.18

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

About this screws, bolts & fasteners listing

Is 50Pcs Button Head Socket Cap Screws M4-0.7x40mm… a good deal?

About typical — $0.20/piece against a screws, bolts & fasteners median of $0.33/piece, ranking 11238 of 32,052.

What does $0.20/piece mean?

It's the real cost per piece — the price divided by the pieces in the pack (50 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?

11,237 of the 32,052 screws, bolts & fasteners we track, which puts this one 11238th by cost per piece. The next cheapest is $0.20/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.