Metric Stainless Steel Hex Head Cap Screws

	Material Material

18-8 Stainless Steel

316 Stainless Steel

Bumax 88 Stainless Steel

	Head Type Head Type


Hex	Socket

Headless	Rounded

	Thread Size Thread Size

	Thread Pitch Thread Pitch

	Length Length

	Drive Style Drive Style


External Hex	Hex	Phillips

	Threading Threading

	Fully Threaded
	Partially Threaded

	Specifications Met Specifications Met

DIN

ISO

	Spring Lock Washers Included Spring Lock Washers Included

For M4 Screw Size
(200 Pieces)

For M5 Screw Size
(200 Pieces)

For M6 Screw Size
(200 Pieces)

For M8 Screw Size
(200 Pieces)

	Washer Type Washer Type


Flat	Split Lock

Spring Lock

	Head Width Head Width

	Head Height Head Height

	Thread Spacing Thread Spacing

Coarse

Fine

	Tensile Strength Tensile Strength

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant with
Exemptions

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Hardness Hardness

Rockwell B70

Rockwell B100

Not Rated

	Minimum Thread Length Minimum Thread Length

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
Compliant

	Head Diameter Head Diameter

	Flange Diameter Flange Diameter

	Size Size

736 Products

About Hex Head Screws and Bolts

Fastener Maintenance Assortments

18-8 Stainless Steel Hex Head Screws

Use these general purpose 18-8 stainless steel screws for a variety of fastening applications. They have good chemical resistance.

Super-Corrosion-Resistant 316
Stainless Steel Hex Head Screws

More corrosion resistant than 18-8 stainless steel screws, these 316 stainless steel screws have excellent resistance to chemicals and salt water.

Super-Corrosion-Resistant High-Strength
Bumax 88 Hex Head Screws

Choose these screws for their excellent corrosion resistance—comparable to 316 stainless steel—and the strength of steel. Use them for high-strength fastening in chemical and marine applications.

Super-Corrosion-Resistant 316 Stainless
Steel Serrated-Flange Hex Head Screws

More corrosion resistant than 18-8 stainless steel screws, these 316 stainless steel screws have excellent resistance to chemicals and salt water. A serrated flange provides mild vibration resistance.

18-8 Stainless Steel Serrated-Flange Hex Head Screws

Made from 18-8 stainless steel, these screws have good chemical resistance. Their flange is serrated to help prevent loosening from vibration.

Stainless Steel Flanged Hex Head Screws

Made from 18-8 stainless steel, these screws have good chemical resistance. A flange under the head distributes pressure over the surface, eliminating the need for a washer.

18-8 Stainless Steel Socket Head Screws

Use these general purpose 18-8 stainless steel screws for a variety of fastening applications. They have good chemical resistance.