Shoulder Screw M16-2.0 x 20mm x 40mm - Plain Steel ISO 7379

Shoulder Screw M16-2.0 x 20mm x 40mm - Plain Steel ISO 7379

Marsoni

M251S

$10.35

Get it in 3 business days with 1 day shipping. Friday, May 29

Shoulder Screw M16-2.0 x 20mm x 40mm - Plain Steel ISO 7379Product Details : Shoulder Screw M16 2. 0 x 20mm x 40mm Plain Steel ISO 7379 Product Type: Shoulder Screw Shoulder Diameter: 20mm Thread Size: M16 2. 0 Bolt Diameter Size: M16 Thread Count (Pitch TPI): 2. 0 Shoulder Length: 40mm Thread Length: 22mm Thread Type: Coarse Metric Head Type: Hexagon Socket Head Diameter: 30mm Head Height: 14mm Drive Size: 10mm Material(s): Plain Steel Tensile Strength: 140,000 psi Thread Direction: Right Hand Thread

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Works really well, but only for a while. After about 3 or 4 weeks, it begins to stop working. Side effects-can leave you groggy if you don't get enough sleep. Helps you sleep better for a month or so. No odor. Good value for money, they don't cost a lot. Just melatonin and veggie caps. No other ingredients as far as I read

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Reviewed in the United States on May 15, 2026

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Kathy B.

Draper, US

★★★★★ 5

Works well I will continue buying them

Size: 60 Count (Pack of 1)

This melatonin gives me a good nights sleep. I thought it was 3 mg but it is not, my mistake! I take two of these because 3 mg doesn't do it for me. I sleep like a baby when I take these and wake up feeling rested.

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Reviewed in the United States on April 4, 2026

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Amazon Customer

Draper, US

★★★★★ 5

Incredibly Helpful for Sleep & Not Hard to Swallow w/Water or w/o

Size: 60 Count (Pack of 1)

I shouldn't be taking these due to certain medical conditions, but they taste like nothing, super effective - like I fall asleep within maybe 30-45 minutes - and I STAY asleep watch is a lot more than I can say for any other melatonin products that I've used. Again, I do have restrictions, so I only take them once in a while, but so does my roommate and he says the same. They're small enough to not be hard to swallow as well. I've recommended them to some of my friends and family and we're all in agreement. I mean, of course, consult your doctor first, but like, these have been one of the most helpful supplements for sleep which is super important to me

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Reviewed in the United States on December 20, 2025

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Dai

San Leandro, US

★★★★★ 5

A full nights sleep

Size: 60 Count (Pack of 1)

This product helps keep me asleep throughout the whole night, not just in the beginning.

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Reviewed in the United States on April 19, 2026

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