Metric Fine Pitch Bolts | McMaster-Carr

	Thread Size Thread Size

	Thread Pitch Thread Pitch

	Length Length

	Head Type Head Type


Hex	Socket

Headless	Rounded

Flat

	Threading Threading

	Fully Threaded
	Partially Threaded

	Material Material

Steel

Stainless Steel

	Thread Spacing Thread Spacing

Fine

Extra Fine

Ultra Fine

	Fastener Strength Grade/Class Fastener Strength Grade/Class


Class 8.8	Class 10.9

Class 12.9

	Drive Style Drive Style


External Hex	Hex

	Head Height Head Height

	Specifications Met Specifications Met

ISO

DIN

JIS

	Finish Finish

Zinc Plated

Black Oxide

Zinc Yellow-Chromate Plated

Passivated

	Head Diameter Head Diameter

	Head Width Head Width

	Size Size

	Tensile Strength Tensile Strength

	Hardness Hardness

	Thread Fit Thread Fit

Class 5g6g

Class 6g

Class 6h

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

RoHS Compliant

	Minimum Thread Length Minimum Thread Length

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

REACH Compliant

	Tip Type Tip Type


Cup	Ball

	Flange Diameter Flange Diameter

403 Products

About Hex Head Screws and Bolts

Medium-Strength Metric Class
8.8 Steel Hex Head Screws

Choose these metric screws for fastening most machinery and equipment. They are twice as strong as low-strength steel screws.

JIS Medium-Strength Steel Hex Head Screws

These screws are made to Japanese Industrial Standards. They are suitable for fastening most machinery and equipment.

High-Strength Metric Class 10.9 Steel Hex Head Screws

Choose these metric screws for high-strength fastening. Often used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems, these screws are at least 25% stronger than medium-strength steel screws.

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.

JIS High-Strength Steel Flanged Hex Head Screws

Made to Japanese Industrial Standards, these Class 10.9 steel screws can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. They are at least 25% stronger than medium-strength steel screws. The flange eliminates the need for a washer.