Metric Stainless Steel Screws | McMaster-Carr

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48,044 Products

Fastening and Joining

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Tighten and loosen by hand without the need for tools

Wood Screws

Fasten material to wood or pieces of wood to each other

Carriage Bolts

A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

12-Point Screws

12-Point Screws

12 contact points handle more torque than a hex head while a flange eliminates the need for a washer

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

Studs

Press, weld, or screw in place to add a threaded fastening point

Elevator Bolts

Create a flush joint to allow movement in tight spaces such as grain elevators and belting systems

Pentagon Head Screws

Pentagon Head Screws

Create a tamper-resistant joint with a head than can only be removed with a 5-point socket

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Drywall Screws

Fasten panels of drywall to materials such as wood, metal, and drywall

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Single-End Studs

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Weld Nuts

Weld to metal surfaces to add permanent threads

Captive Pins

Press into holes in thin materials like panels and circuit boards to permanently join or align them

Anchors

Secure structural joints in concrete, brick, and other building materials

Screw Nails

Drive like nails but hold like screws in drilled holes in wood, plastic, drywall, and masonry

Nails

Drive into wood, plastic, drywall, and masonry

Rivets

Join materials together permanently, especially when too thin or fragile to fasten with screws

Fabricating and Machining

Setup Studs

Secure setup clamps and fixtures to your machine table or assemble heavy machines

T-Slot Bolts

Secure clamps and workpieces to machine tables with quicker setup than a T-slot nut and stud

T-Slot Nut and Setup Stud Kits

T-Slot Nut and Setup Stud Kits

Mount fixtures of different sizes to your machine table

Clamps

Hold workpieces securely in place

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Pull Handles and Knobs

Pull Handles and Knobs

Open and close cabinets, drawers, and doors on machines and equipment

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Locking-Slotted Framing and Fittings

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

Ball Screws and Nuts

Ball Screws and Nuts

Internal ball bearings roll on screws for low friction when moving components at high speeds

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

Ball Screw/Splines

Ball Screw/Splines

Transmit rotary power, move loads along the shaft, or do both at once

Roller Screws and Nuts

Roller Screws and Nuts

More contact points to move heavier loads than ball and lead screw assemblies

Lead and Ball Screw End Supports

Lead and Ball Screw End Supports

Brace and secure the ends of lead screws and ball screws

Material Handling

Eyebolts

Route rope through the loop or attach hooks and shackles for lifting

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

Screw Conveyors

Screw Conveyors

Push material through fixed troughs

Communication

Reference Charts

Reference Charts

Check decimal equivalents, drill sizes, or specifications for socket screws

Measuring and Inspecting

Transfer Punches

Transfer Punches

Mark the center of an existing hole onto a separate workpiece

Containers, Storage, and Furniture

Hanging Hooks

Hang tools, hoses, garments, and other supplies on walls for easy access

Fluid Handling

Float Rods

Connect valve bodies and floats to build or repair a float valve

Facility and Grounds Maintenance

Toilet Mounts

Secure toilet components with flanges and hardware kits

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