DIN 933 Cap Screws | McMaster-Carr

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	Specifications Met Specifications Met	Show

DIN

DIN 933

	Specifications Met Specifications Met	Hide

Warning: Products have one, but not necessarily all, of the selected characteristics.

	System of Measurement System of Measurement

Metric

	Thread Size Thread Size

	Thread Pitch Thread Pitch

	Length Length

	Head Type Head Type


Socket	Rounded

Hex	Headless

	Material Material

	Finish Finish

Black Oxide

Blue Dyed

Corrosion-Resistant-Coated

Zinc Plated

Zinc Yellow-Chromate Plated

	Threading Threading

	Fully Threaded

	Fastener Strength Grade/Class Fastener Strength Grade/Class


Class 8.8	Class 10.9

Class 12.9

	Head Width Head Width

	Head Height Head Height

	Thread Direction Thread Direction

	Right Hand

	Drive Style Drive Style


External Hex	Hex	Phillips

	Thread Spacing Thread Spacing

Coarse

Fine

	Thread Type Thread Type

Metric

	Thread Fit Thread Fit

Class 6g

Class 6h

	Tensile Strength Tensile Strength

20,000 to 39,999 psi

40,000 to 59,999 psi

60,000 to 99,999 psi

100,000 psi or greater

	Hardness Hardness

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

RoHS Compliant

RoHS Compliant with
Exemptions

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

REACH Compliant

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

DFARS Specialty Metals
Compliant

DFARS Specialty Metals
COTS-Exempt

	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)

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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.

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.

Extreme-Strength Metric Class
12.9 Steel Hex Head Screws

Choose these metric screws for heavy duty stamping applications as well as earth-moving machinery such as bulldozers and excavators. These screws are 10% stronger than our high-strength metric 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.

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.

Brass Hex Head Screws

Brass screws are electrically conductive, nonmagnetic, and have good corrosion resistance.

Aluminum Hex Head Screws

Aluminum screws are one-third the weight of steel and have good corrosion resistance.

Medium-Strength Metric Class 8.8 Steel
Thread-Locking Hex Head Screws

These Class 8.8 steel screws are suitable for fastening most machinery and equipment. They are over 50% stronger than stainless steel thread-locking screws. For vibration resistance, they have a thread locker bonded to the threads.

Tight-Spot Hex Head Screws

A high-strength alternative to blind rivets, use these screws when only one side of the material is accessible.

Fastener Assortments

Fastener Maintenance Assortments

Hex Head Screw Assortments

These assortments include hex head screws and hex nuts.