Glass Rounds | McMaster-Carr

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Material

Fiberglass

Glass

Glass-Mica Ceramic

System of Measurement

Diameter

Shape

Length

Color

Maximum Temperature

Thickness

Clarity

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

RoHS

REACH

Minimum Temperature

Screw Size

Hardness

Performance

Electrically Insulating

Fabrication

Density

0.058 lb/in³ to 0.070 lb/in³

Flexibility

Width

Thread Size

Modulus of Elasticity

Thermal Conductivity @ Temperature

7.8 BTU⋅in/(hr⋅ft²⋅°F) @ 194° F

1.2 BTU⋅in/(hr⋅ft²⋅°F) @ 212° F

7.98 BTU⋅in/(hr⋅ft²⋅°F) @ 212° F

8.3 BTU⋅in/(hr⋅ft²⋅°F) @ 212° F

10.16 BTU⋅in/(hr⋅ft²⋅°F) @ 212° F

1.4 W/(m⋅°C) @ 20° C

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How can we improve?

554 Products

Raw Materials

Glass

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

205 products

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

76 products

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

57 products

Fastening and Joining

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

77 products

Threaded Rods

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

28 products

Containers, Storage, and Furniture

Petri Dishes

Grow bacteria and other microorganisms

3 products

Fluid Handling

Filter Paper

Remove particles from liquids in lab testing and other filtration applications

2 products

Safety Equipment

Safety Mirrors

See what's happening around corners, at intersections, down aisles, and over counters

30 products

Measuring and Inspecting

Level Vials

Replace vials in levels or equipment

7 products

Material Handling

Eyebolts

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

14 products

Building and Machinery Hardware

Bellows

Prevent dust and debris from damaging moving parts

28 products

Communication

Signs

Everything from accident prevention to traffic control to exit signs

7 products

Sealing

Rope Seals

Insulate the edges of oven, furnace, and boiler doors to keep heat in

5 products

Boiler Gaskets

Resist heat and steam to form a leak-resistant seal around closures on boilers

3 products