M16 Screws | McMaster-Carr

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	System of Measurement System of Measurement

	Thread Size Thread Size	Show

	Thread Size Thread Size	Hide

	Thread Pitch Thread Pitch

	Length Length

	Head Type Head Type


Socket	Rounded

Hex	Flat

Headless	Square

T-Slot

	Threading Threading

Partially Threaded

Threaded on Both Ends

	Fastener Strength Grade/Class Fastener Strength Grade/Class

	Material Material

Stainless
Steel

	Finish Finish

Black Phosphate

Black Zinc Plated

Hot-Dipped Galvanized

Zinc Yellow-Chromate Plated

	Socket Head Profile Socket Head Profile


Standard	Low

	Drive Style Drive Style


Hex	External Hex	Slotted

External Square	Hex with Pilot Recess	No Drive

	Thread Spacing Thread Spacing

	Head Height Head Height

	Head Width Head Width

	Thread Direction Thread Direction

Right Hand and Left Hand

	Specifications Met Specifications Met

ASTM

DIN

FDA Compliant

ISO

SAE

	Thread Type Thread Type

Metric Rounded Acme

	Head Diameter Head Diameter

	Tensile Strength Tensile Strength

	Hardness Hardness

	Thread Fit Thread Fit

	Drive Size Drive Size

	Shoulder Diameter Shoulder Diameter

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845 Products

Fasteners

Socket Head Screws

With a deeper drive than flat and rounded head screws, socket head screws withstand more torque for a tighter hold. Install in a counterbored hole or above the surface.

Rounded Head Screws

A domed head sits above the surface of your material. Includes screws such as pan, button, binding, and truss head screws.

Hex Head Screws

Hex head screws are easy to install with a wrench for a secure hold. Use them with a nut or in tapped holes.

Flat Head Screws

Flat and oval head screws are angled under the head to fit in countersunk holes.

Tapping, Wood, and Drywall Screws

While other screws and bolts require holes with threads, tapping screws create their own threads.

Shoulder Screws

A cylindrical shoulder under the head allows parts to rotate around and slide along its length, so these screws are often used to guide and align components.

Set Screws

testString

Unlike screws that hold materials together with threads, set screws exert pressure at the tip to hold objects in place.

Carriage Bolts

testString

Carriage bolts have a smooth, rounded head for a finished look. The neck shape keeps them from turning when tightening a nut.

Threaded Rods

Sanitary Threaded Standoffs

Sanitary Threaded Standoffs

Mount components onto food processing lines, walls, and sanitary equipment while leaving space to clean in between.

Spring Plungers

A spring projects the nose to apply accurate, consistent pressure for positioning, indexing, and ejecting parts.

Other Screws

Lead Screws and Screw Jacks

testString

T-Slot Fasteners and Setup Studs

testString

Designed to fit into T-slot tracks on machine tool tables, use these nuts, bolts, and studs to secure clamps or workpieces.

Eyebolts—For Lifting

Connecting Rods

Build linkages for push/pull and oscillating movement by fastening rod ends, swivel joints, or ball joint linkages to the ends of these rods.

Center-Locating Punches
for Threaded Holes

Also known as transfer screws, these punches have a uniform shoulder height so you can quickly transfer multiple hole locations at once.

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)