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	Screw Features Screw Features	Show

Sealing

	Screw Features Screw Features	Hide

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Length Length

	Head Type Head Type


Socket	Hex

Rounded	Flat

	Material Material

18-8 Stainless Steel

316 Stainless Steel

	Finish Finish

Passivated

	Threading Threading

	Fully Threaded
	Partially Threaded

	Drive Style Drive Style


Hex	External Hex	Phillips

	Socket Head Profile Socket Head Profile

	Standard

	Thread Direction Thread Direction

	Right Hand

	Head Height Head Height

	Head Diameter Head Diameter

	Thread Type Thread Type

UNC

UNF

Metric

	Thread Pitch Thread Pitch

	Drive Size Drive Size

	Thread Spacing Thread Spacing

Coarse

Fine

	Rounded Head Style Rounded Head Style

	Pan

	Tensile Strength Tensile Strength

60,000 to 79,999 psi

80,000 to 99,999 psi

100,000 psi or greater

	Head Width Head Width

	Specifications Met Specifications Met

ASME

DIN

FDA

ISO

Mil. Spec.

NAS

	Thread Fit Thread Fit

Class 3A

Class 2A

Class 6g

	Flat Head Profile Flat Head Profile


Standard	Undercut

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383 Products

About Rounded Head Screws

Sealing Socket Head Screws

Seal out contaminants and prevent leaks—a silicone O-ring under the head creates a water-, oil-, and chemical-resistant seal.

Sealing Hex Head Screws

An O-ring under the head prevents leaks and seals out contaminants.

Sanitary Hex Head Screws

Bolt down equipment in food processing or sanitary areas while sealing out contaminants.

Sealing Pan Head Screws

A rubber O-ring prevents leaks and seals out contaminants. Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic.

Metric Sealing Pan Head Screws

These metric screws have a silicone O-ring that prevents leaks and seals out contaminants. Made from 18-8 stainless steel, they have good chemical resistance and may be mildly magnetic.