Electrical

An extensive range of robust fittings and weatherproof products.

Automotive

Connectivity solutions such as high brackets, busbars, and connector pins.

Power Transmission & Distribution

Connectors & structural components for cutouts, transformers, & substations.

Aerospace

Complex sensor housings & fracture-critical products.

Appliances

Robust castings and assemblies for everyday appliances.

Commercial Hardware

Finished components for commercial & residential hardware applications.

Electronics & Telecom

Precision metal stamped sensors, connectors and cast housings & covers.

Fluid Power

Durable, precision products for high-pressure applications.

Food & Beverage

Handles, leveling pins, flow valves & button housings.

Lighting

Custom housings to fully assembled commercial & industrial light fixtures.

Marine

Durable corrosion-resistant engineered castings and subassemblies.

Medical & Dental

Medical-grade parts for implants, housings, manifolds, and pumps.

Oil & Gas

Custom housings and covers for flow control, pressure valves & meters.

Power Tools

Durable yet lightweight custom metal housings.

Solar

Innovative precision metal stamped parts.

High Pressure Die Casting

High-pressure liquid metal is pressed into a precision metal mold cavity, and then cooled & solidified under pressure.

Ideal for a wide range of applications, including automotive, agricultural, electronics, and medical.

Sand Casting

Castings with complex shapes & inner cavities that are produced in a sand mold

Ideal for parts with complex shapes and inner cavities

Gravity Die Casting

A mold is filled with liquid metal using gravity and cooled and solidified in the mold to obtain a casting

Ideal for parts with complex shapes made with steel, aluminum or magnesium alloys

Investment Casting

A process used to obtain a mold without a parting surface; creates parts with high dimensional & geometric accuracy

Ideal for near-net shaped parts with complex shapes and high precision requirements

Partner Services

Custom Tooling, Machining, Surface Finishing, Special Purpose Machine Design & Development

Precision Metal Stamping

More than 80 presses convert metal sheets into custom parts

Ideal for parts for electronic connectors and microprocessor chips

Swiss Screw Machining

A specialized CNC machine capable of producing extremely small, precise parts

Ideal for complex miniature screws, contact pins & micro-fasteners

Partner Services

Rapid Prototypes, Heat Treating, Automated Assembly

Company History

Learn more about our company milestones.

Plant Locations

Learn more about our global manufacturing facilities.

Company News

See our company announcements and press releases.

Contact Us

Let us know how we can help create a solution for you

Resources

Download catalogs and key product guides.

Global Code of Conduct

Download our Code of Conduct and report violations.

Innovation at Sigma

Purposeful innovation – the continual improvement and innovation of custom-designed and precision-made products and solutions.

Engineered Solutions

Sigma offers solutions for complex product characteristics and technical requirements.

Global Supply Chain Management

U.S.-based supply chain management teams support our customers.

Partner Services

Sigma is a vertically integrated single-source solution provider.

< Products

Lampholder Gasket

Material: Fiber
Category: Weatherproof
Sub Category: Accessories
Type(s): GasketLampholder

For use with weatherproof boxes, covers and kits

  • Low density cellulose base fiber
Color Model Number
Black LHG1
< Products

Lampholder Gasket

Material: Rubber
Category: Weatherproof
Sub Category: Accessories
Type(s): GasketLampholder

Lampholder gaskets are used in conjunction with lampholders for weatherproof installation of bulbs.

Color Model Number
Black LHG2
A
2.3
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

One-Gang Gasket

Material: Crosslinked Polyethylene Foam
Category: Weatherproof
Sub Category: Accessories
Type(s): Gasket

For use with weatherproof boxes, covers and kits

  • Crosslinked Polyethylene Foam
Color Model Number
Black G14
< Products

Two-Gang Gasket

Material: Crosslinked Polyethylene Foam
Category: Weatherproof
Sub Category: Accessories
Type(s): Gasket

Two-gang gaskets are used in conjunction with two- gang boxes and covers for weatherproof installation.

  • Tear-out sections are adaptable for GFCI, duplex, round and switch devices
Color Model Number
Black G21
AB
4.64.6
< Products

Round Gasket

Material: Crosslinked Polyethylene Foam
Category: Weatherproof
Sub Category: Accessories
Type(s): Gasket

Round gaskets are used in conjunction with 4″ round boxes and covers for weatherproof installation.

Color Model Number
Black G71
AB
4.212.45
< Products

One-Gang Gasket

Material: Crosslinked Polyethylene Foam
Category: Weatherproof
Sub Category: Accessories
Type(s): Gasket

One-gang gaskets are used in conjunction with one- gang boxes and covers for weatherproof installation.

  • Tear-out sections are adaptable for GFCI, duplex, round and switch devices
Color Model Number
Black G11
AB
4.72.95
< Products

Gasket Kit

Material: Crosslinked Polyethylene Foam
Category: Weatherproof
Sub Category: Accessories
Type(s): 1-Gang2-GangGasketRound

Gaskets are used in conjunction with weatherproof boxes and covers for weatherproof installation.

  • Tear-out sections in one- and two-gang gaskets are adaptable for GFCI, duplex, round and switch devices
  • Includes (2) one-gang, (2) two-gang and (2) round gaskets
Color Model Number Master Pack Quantity UPC
Black 14000 5 031857140007
< Products

Lampholder Gasket

Material: Rubber
Category: Weatherproof
Sub Category: Accessories
Type(s): GasketLampholder

Lampholder gaskets are used in conjunction with lampholders for weatherproof installation of bulbs.

Color Model Number Master Pack Quantity UPC
Black 14004 25 031857140045
A
2.3
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Round Gasket

Material: Crosslinked Polyethylene Foam
Category: Weatherproof
Sub Category: Accessories
Type(s): GasketRound

Round gaskets are used in conjunction with 4″ round boxes and covers for weatherproof installation.

Color Model Number Master Pack Quantity UPC
Black 14002 20 031857140021
AB
4.212.45
< Products

One-Gang Gasket

Material: Crosslinked Polyethylene Foam
Category: Weatherproof
Sub Category: Accessories
Type(s): 1-GangGasket

One-gang gaskets are used in conjunction with one- gang boxes and covers for weatherproof installation.

  • Tear-out sections are adaptable for GFCI, duplex, round and switch devices
Color Model Number Master Pack Quantity UPC
Black 14001 20 031857140014
< Products

Two-Gang Gasket

Material: Crosslinked Polyethylene Foam
Category: Weatherproof
Sub Category: Accessories
Type(s): 2-GangGasket

Two-gang gaskets are used in conjunction with two- gang boxes and covers for weatherproof installation.

  • Tear-out sections are adaptable for GFCI, duplex, round and switch devices
Color Model Number Master Pack Quantity UPC
Black 14003 20 031857140038