System of Measurement

Inch

Metric

Thread Size

Length

Material

316 Stainless Steel

18-8 Stainless Steel

Black-Oxide Alloy Steel

Zinc-Plated Alloy Steel

Finish

Passivated

Drive Style

Rounded Head Style

Threading

Partially Threaded

Head Height

Thread Direction

Thread Pitch

0.5 mm

0.7 mm

0.8 mm

1 mm

1.25 mm

1.5 mm

1.75 mm

Rounded Head Profile

Wide

Drive Size

Thread Spacing

Coarse

Fine

Tensile Strength

70,000 psi

120,000 psi

100,000 psi

Thread Fit

Class 3A

Class 6g

Class 6h

Hardness

Not Rated

Rockwell B70

Rockwell C32

Rockwell C39

Flanged Rounded Head Screws

425 Products

Metric 18-8 Stainless SteelFlanged Button Head Screws

Metric 18-8 Stainless SteelFlanged Button Head Screws

Made from 18-8 stainless steel, these metric screws have good chemical resistance and may be mildly magnetic. They have a flange that distributes pressure across a wide surface, eliminating the need for a separate washer.

18-8 Stainless Steel FlangedButton Head Screws

18-8 Stainless Steel FlangedButton Head Screws

18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. The flange distributes pressure across a wide surface, eliminating the need for a separate washer.

Metric 316 Stainless SteelFlanged Button Head Screws

Metric 316 Stainless SteelFlanged Button Head Screws

These metric 316 stainless steel screws resist corrosion from chemicals and salt water better than 18-8 stainless steel screws. They have a flange that distributes pressure across a wide surface, eliminating the need for a separate washer. Screws may be mildly magnetic.

316 Stainless Steel FlangedButton Head Screws

316 Stainless Steel FlangedButton Head Screws

More corrosion resistant than 18-8 stainless steel screws, these screws have excellent resistance to chemicals and salt water. They have a flange that distributes pressure across a wide surface, eliminating the need for a separate washer. Screws may be mildly magnetic.

Alloy Steel Flanged Button Head Screws

Alloy Steel Flanged Button Head Screws

Made from alloy steel, these screws are nearly twice as strong as stainless steel button head screws. They have a flange that distributes pressure across a wide surface, eliminating the need for a separate washer.

Metric Alloy Steel FlangedButton Head Screws

Metric Alloy Steel FlangedButton Head Screws

These metric alloy steel screws are nearly twice as strong as stainless steel button head screws. They have a flange that distributes pressure across a wide surface, eliminating the need for a separate washer.