.4725 inches or just under 1/2” under the head. To get any exact metric to inch conversion multiply the millimeters by .039375

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M6-1.0 x 16mm Flanged Button Head Socket Cap Screw Bolts, Allen Socket Drive, Stainless Steel 304, Black Finish, Quantity 25

M6-1.0 x 16mm Flanged Button Head Socket Cap Screw Bolts, Allen Socket Drive, Stainless Steel 304, Black Finish, Quantity 25

Q: How is the length measured? Just the threaded part or the entire bolt (head included)?

The length is measured by the length of the shaft of the bolt. From below the head to end of threads.

Q: Will these get surface rust if used for outside?

Eventually it will rust as does any steel related product. However it should be quite so time before it does. I live in Tennessee and used these fasteners on my lawn furniture which we get rain and humidity and they have not rusted yet.

Q: The photo of thumbnail is not the flanged button head socket cap screw. what's wrong?

This is a good place to look them up. M6-1.0 x 16mm Flanged Button Head Socket Cap Screw Bolts, Allen Socket Drive, Stainless Steel 304, Black Oxide Finish, Quantity 25

Product ID: 328192282

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Details

Material
Black Oxide
Drive System
Internal Hex
Head Style
Button
Exterior Finish
Black Finish
Thread Size
m6-1

⚫Black oxide corrosion defense

🔩M6 x 16mm precision sizing

🛡️304 stainless steel strength

Frequently Bought Together

M6-1.0 x 16mm Flanged Button Head Socket Cap Screw Bolts, Allen Socket Drive, Stainless Steel 304, Black Finish, Quantity 25

50 PCS M6 Stainless Flat Washers, 17.7mm Outer Diameter, 18-8 (304) Stainless Steel Metal Washers for Screws and Bolts, Black Finish

M6 x 1.0mm Nylon Insert Hex Lock Nuts 50Pcs 304 Stainless Steel Locknuts, Hex Drive, Black Oxide by SG TZH

Description

⚙️ Elevate your build with stealthy strength and precision fit!

BULK READY - Pack of 25 screws to keep your projects moving without interruption
CORROSION SHIELD - Black oxide finish adds a stealthy look while protecting against tarnish
COMPACT POWER FIT - Low domed flanged button head for sleek, space-saving installations
UNMATCHED DURABILITY - Premium 304 stainless steel resists rust and wear for long-lasting reliability
PRECISION ENGINEERING - Exact M6 thread with 1.0mm pitch ensures secure, vibration-resistant fastening

These M6-1.0 x 16mm flanged button head socket cap screws feature a low-profile head ideal for tight spaces, crafted from durable 304 stainless steel with a protective black oxide finish. Designed for secure fastening with a 4mm Allen drive, this pack of 25 offers reliable corrosion resistance and precision threading for professional-grade assembly.

Have a Question? See What Others Asked

How is the length measured? Just the threaded part or the entire bolt (head included)?

Will these get surface rust if used for outside?

The photo of thumbnail is not the flanged button head socket cap screw. what's wrong?

How long in inches

Reviews

P**K

Nice

I purchased them for my 3D prints. work well and gave the project a clean appearance.

29.03.2025

D**N

Good value

Exactly as described

4.03.2025

N**Y

Good quality

Exactly what I was looking for.Thx

8.02.2025

D**.

These a good bolts for replacing Philips head screws on DW735 Planer

These a good bolts for replacing the cheap, easy to strip, philips head ones to hold the roller clamps and guards in place on the DW735 Planer. Just add lock washers cause they don't come with them.

3.11.2024

L**O

Buenos

Buenos y duraderos

3.06.2025

M**G

Correct size for my use

The bolts are correctly sized and appear to have a nice protective coating on them. I installed them in my truck, under the back seat so I can’t tell how well the finish will protect them from corrosion. The bolts completed my project perfectly.

14.10.2024

G**O

Buen artículo

Este producto lo use para unas cajas de componentes electrónicos, me parecieron excelentes en su presentación y la calidad muy buena

9.10.2024

D**N

A+

20.11.2024