Mil. Spec. Metal Tubing | McMaster-Carr

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36,110 Products

Fluid Handling

Tubing

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

10,558 products

Tube End Caps

Cover the ends of tube to keep out dirt and debris

Tube Fitting Clamps

Tube Fitting Clamps

Quickly secure connections between tube fittings, including sanitary and high-vacuum fittings

Tube Fitting Nuts

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

Tube End Plugs

Insert into the ends of tube to keep out dirt and debris

Pipe Nipples and Pipe

Pipe Nipples and Pipe

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

Hose

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Duct Hose

Connect to blowers and vacuums to move air, fumes, dust, chips, and liquids

Hose Drainers

No need to bend over and shake out fluid from your hose—let gravity do the work

Hose Kink Absorbers

Hose Kink Absorbers

Prevent garden hose from kinking to ensure maximum water flow and extend hose life

Gauge Siphon Tubes

Gauge Siphon Tubes

Fill with water to protect dry gauges from steam and high-temperature liquids; also called pigtails

Thermocouple and RTD Protection Tubes

Thermocouple and RTD Protection Tubes

Shield thermocouple and RTD probes in large, unpressurized tanks

Gauge Glass

Create or repair liquid-level gauges to monitor fluid levels in containers

Raw Materials

Steel

Strong, machinable, and weldable but lacks corrosion resistance

Stainless Steel

Stainless Steel

Resists corrosion and chemicals in most environments

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

Bronze

With better wear resistance than copper and brass, it’s used for bearings, gears, and pump parts

Copper

The most conductive of our metals, it excels in all types of electrical applications

Titanium

The most corrosion-resistant metal we offer, with very high strength relative to its weight

Glass

Clear and highly heat and chemical resistant; often used in sights, lighting, and lab equipment

Hard Fiber

Chemically treated to be hard and dense, this is the easiest composite to machine in our offering

Electrical

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Wire Sleeving

Bundle wiring and protect from abrasion and heat

Weatherheads

Bring power into buildings and protect the entry point from rain and snow

Heat-Shrink Tubing

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

Wire Sleeving Installation Tools

Wire Sleeving Installation Tools

Insert wire and hose into corrugated, spiral wrap, or wraparound sleeving

Building and Machinery Hardware

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

Bolt-Together Framing and Fittings

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

Slip-On Framing and Fittings

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Press-Fit Framing and Fittings

Press-Fit Framing and Fittings

Set up temporary partitions, guards, and displays using only a hammer

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

Weld-Together Framing and Fittings

Weld-Together Framing and Fittings

Permanently join rails and fittings to assemble heavy duty racks, shelving, and work tables

Flush-Fit Framing and Fittings

Flush-Fit Framing and Fittings

Create smooth stair and platform railings by sliding fittings into rails and tightening the screws

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

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Push-to-Close Latches

Push-to-Close Latches

Automatically hold doors shut when you push them closed

Power Transmission

Shafts

Transmit power, motion, and speed between machine components

Heating, Ventilation, and Air Conditioning

Chimney Pipe and Fittings

Chimney Pipe and Fittings

Exhaust hot air and fumes from boilers, furnaces, and stoves

Pipe Insulation Banding

Pipe Insulation Banding

Strap around pipe insulation to keep it in place

Pipe Insulation Jacketing

Pipe Insulation Jacketing

Guard pipe insulation from impact, moisture, and corrosion

Fastening and Joining

Gravity Pins

Slip through holes in telescoping tubing and wrap around to secure

Spring Button Clips

Spring Button Clips

Snap the button into place to join pieces of telescoping tubing

Set Screws

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

Facility and Grounds Maintenance

Sink Drain Tailpieces

Sink Drain Tailpieces

Connect drains to P-traps and S-traps

Sink Drains

Empty liquids from sinks into sewer lines

Sink Drain Strainers

Sink Drain Strainers

Catch debris to prevent clogs and plug drains to fill sinks

Sink Drain Trap Extension Tubing

Sink Drain Trap Extension Tubing

Add to a drain tailpiece when it doesn’t reach the trap

Sink Drain Traps

Sink Drain Traps

Retain a small amount of water to keep sewer gas from escaping

Dual-Connection End Outlets

Dual-Connection End Outlets

Connect two drains to a single outlet

Sink Drain Fittings

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

Faucet Spout Thread Adapters

Faucet Spout Thread Adapters

Connect the female end of your garden hose to a faucet spout

Riser Tubes

Connect shut-off valves to sink faucets and toilet tanks

Containers, Storage, and Furniture

Stacking Caps and Targets

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

Metal Panels

Close off openings in structures while allowing air to pass through

Temporary Partition Poles

Temporary Partition Poles

Support tarps, drop cloths, and plastic sheeting to create temporary walls that block dust

Safety Equipment

Respirator Temperature Controllers

Respirator Temperature Controllers

Adjust the temperature of the air flowing into your respirator

Material Handling

Teach Pendant Mounts

Teach Pendant Mounts

Store teach pendants conveniently near robots but out of harm’s way

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