Stainless Steel Tapping Screws | McMaster-Carr

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Material

Stainless Steel

For Use In

Brittle Materials

Thin-Walled Holes

System of Measurement

Length

Thread Size

Fastener Head Type

Screw Size

Threading

Partially Threaded

Threaded on Both Ends

Threaded on One End

Head Diameter

Tip Type

Rounded Head Style

Finish

Black Zinc Plated

Corrosion-Resistant Coated

Galvanic Barrier Coated

Hot-Dipped Galvanized

Phosphate Coated

Head Height

Socket Head Profile

Thread Pitch

Thread Type

Metric Rounded Trapezoidal

Flat Head Profile

Specifications Met

Federal Specification

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Tapping Method

Washer Material

Stainless Steel

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41,498 Products

Fastening and Joining

Rounded Head Screws

Rounded Head Screws

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

Socket Head Screws

Socket Head Screws

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Tapping Screws

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

Hex Head Screws

Hex Head Screws

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

Wood Screws

Fasten material to wood or pieces of wood to each other

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

Oval Head Screws

Oval Head Screws

The domed top sits slightly above the surface of countersunk holes for a decorative look

Carriage Bolts

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

Drywall Screws

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

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

Concrete Screws

Concrete Screws

Anchor parts to concrete, block, and brick without tapping the hole first

Fastener Assortments

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

Studs

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

Pentagon Head Screws

Pentagon Head Screws

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

Elevator Bolts

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

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Binding Barrels

Binding Barrels

Create custom low-profile fasteners with binding barrel posts, caps, and screws

Standoffs

Separate, position, or connect components in assemblies

Standoff Caps

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

Single-End Studs

Single-End Studs

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

Spring Plungers

Spring Plungers

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

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

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 anything from signs to heavy machinery in concrete, brick, and drywall

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

Fabric Snap Halves

Fabric Snap Halves

Pair with other snap halves to form complete snaps

Screwdrivers

Tighten and loosen screws

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

L-Keys

Turn fasteners from either end and reach into tight spots

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Pull Knobs

Use a knob to open and close cabinets, drawers, and doors

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Leveling Mounts

Leveling Mounts

Level machines and workbenches on uneven surfaces, reduce vibration, and protect floors

Power Transmission

Precision Lead Screws

Precision Lead Screws

Pair with precision lead screw nuts for accurate starts and stops in your assembly

Precision Lead Screw Nut Flanges

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

Connecting Rods

Connecting Rods

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

Lead Screws and Nuts

Lead Screws and Nuts

Move components in a straight line in clamping and heavy duty lifting and lowering applications

Ball Screws and Nuts

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

Lead Screw Collars

Lead Screw Collars

Position components and limit travel along a lead screw

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

Jacks

Lift, hold, push, and position heavy objects

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

Grippers

Clamp against uneven or irregularly shaped parts such as castings for a secure hold

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

Clamp Holding Screws

Clamp Holding Screws

Replace worn holding screws in clamps or customize with different sizes or styles

Clamping Screw Clamps

Clamping Screw Clamps

Mount in a base or through a threaded hole, then tighten the tip to hold a workpiece in place

Electrical Power, Networking, and Controlling

Electrical Enclosure Fasteners

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

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.)