2 3/4" Hose | McMaster-Carr

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Connection Type Connection Type


Hose	Tube

	End Type End Type

8 Products

About Hose

About Duct Hose

About Plastic and Rubber Tubing

Temperature Range: -65° to 350° F
Material: Silicone Rubber
Color: Blue
For Clamp Type: Worm Drive

Silicone rubber gives this hose, often called radiator hose, the ability to handle high-heat conditions. Hose with steel wire reinforcement resists kinking.

						Per Ft.
ID	OD	Max. Pressure	Internal Reinforcement	Max. Continuous Lg., ft.		1-11	12-Up
2 3/4"	3 1/8"	30 psi @ 72° F	Yarn	12	00000000	000000	000000
2 3/4"	3 1/8"	100 psi @ 72° F	Steel Wire	12	0000000	00000	00000

Coolant Hose

Temperature Range: 0° to 210° F
Material: Buna-N Rubber
Color: Black with Green Stripe
For Clamp Type: Worm Drive

Commonly known as radiator hose, this hose is for low-pressure coolant applications.

					Per Ft.
ID	OD	Max. Pressure	Max. Continuous Lg., ft.		1-24	25-Up
2 3/4"	3 1/8"	35 psi @ 72° F	25	00000000	000000	000000

High-Pressure Hard Plastic Tubing for Air and Water

Excellent strength and durability allow this tubing to handle high-pressure air and water applications.

Polycarbonate tubing won’t degrade when exposed to the damaging effects of ultraviolet light. It should be used at temperatures above freezing. Tubing is clear, so you can easily monitor flow. It is rigid and does not bend.

For technical drawings and 3-D models, click on a part number.

Clear Polycarbonate Plastic

Clear Polycarbonate Plastic Tubing

Rigid
Compatible with Socket Connect Tube Fittings
Hard (Rockwell R120)
Temperature Range: 32° to 250°F

Inch
ID	OD	Wall Thick.	Max. Pressure	Color		2 ft.	4 ft.	8 ft.
2 3/4"	3"	1/8"	110 psi @ 72 ° F	Clear	0000000	000000	000000	000000

High-Temperature Rigid Metal Duct Hose for Fumes

Rigid
Compatible Clamps: U-Bolt Clamps
Max. Temperature: Galvanized Steel: 750° F; Aluminum: 450° F; 304 Stainless Steel: 1500° F; 316 Stainless Steel: 1200° F

Metal interlocked strips create a rigid, durable hose that stays strong under high temperatures. Hose is for use with smoke, welding fumes, and oil fumes.

Galvanized steel offers fair corrosion resistance.

Galvanized Steel
ID	OD	Bend Radius	Interior Surface Texture	Other Lengths, ft.		5 ft.	6 ft.	7 ft.	8 ft.	9 ft.	10 ft.	15 ft.	20 ft.	25 ft.
0.012" Material Thick.
2 3/4"	2 7/8"	8 1/2"	Ribbed	1 to 50	0000000	000000	000000	000000	000000	000000	000000	000000	000000	0000000

High-Temperature Flexible Duct Hose for Dust

Flexible
Compatible Clamps: Worm-Drive Clamps
Color: Black
Temperature Range: -60° to 300° F

The neoprene coating on this hose holds up under high heat. Hose meets UL 94 V-0 for flame retardance. It has a smooth interior for unrestricted flow. Hose is for use with lint, dust, and sawdust.

Warning: Hose should not be used for applications that generate a static charge.

								Spiral					Per Ft.
ID	OD	Bend Radius	Compresses To	Max. Vacuum	Max. Pressure	Material Thick.	Interior Surface Texture	Direction	Material	Specifications Met	Max. Continuous Lg., ft.		1-11	12-Up
Neoprene-Coated Fiberglass
2 3/4"	2 7/8"	1 1/2"	75%	17 in. of Hg @ 72° F	34 psi @ 72° F	0.024"	Smooth	Left Hand	Metal	UL 94 V-0	12	00000000	000000	000000

Extra-Strength High-Vacuum Duct Hose for Metal Chips and Shavings

Rigid
Compatible Clamps: Bolt Clamps
Color: Black
Temperature Range: -40° to 160° F

The strongest nonmetal duct hose we offer, this SBR rubber hose is reinforced with yarn and has a metal spiral. Hose has a smooth interior for unrestricted flow.