M4 To M20 Black Alloy Steel Countersunk Hex Socket Flat Head Screws – 10.9 Class

Need some strong, low-profile bolts?

These are black alloy steel countersunk hex socket screws.

They're metric, ranging from M4 all the way up to M20.

They're class 10.9, so they're high-strength.

The heads are flat (countersunk) with a hex socket drive, so they sit flush with the surface.

Made from carbon steel.

Good for all kinds of projects where you need a clean, flush finish and a strong hold.

Choose your size.

Brand new, made in China.