Connector Blocks | McMaster-Carr

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1,012 Products

Electrical

Terminal Blocks

Terminal Blocks

Mate with terminals to complete circuits in control panels, motors, and small machines

Distribution Blocks

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

Distribution Bars

Distribution Bars

Route electricity within switchboards and battery banks; also known as bus bars

Grounding Bars

Create a convenient central grounding point by connecting multiple ground wires

Grounding Blocks

Grounding Blocks

In cabinets and other tight spaces, ground multiple wires at one convenient spot

Telephone Wiring Blocks

Telephone Wiring Blocks

Keep telephone cable organized and accessible

Material Handling

Conveyor Guide Cross Blocks

Conveyor Guide Cross Blocks

Join conveyor guide mounting rods at different angles

Fabricating and Machining

Setup Blocks

Use as mounting bases and supports to ensure accurate angles and spacing

Alignment Locks

Alignment Locks

Precisely align your mold halves

Milling Machine Collet Blocks

Milling Machine Collet Blocks

Hold workpieces to machine parallel or square edges and drill crossholes

Heating Blocks for 3D Printer Extruder Heating Elements

Heating Blocks for 3D Printer Extruder Heating Elements

Disperse heat to melt filaments evenly as they pass through extruders

Fluid Handling

Junction Blocks

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

Building and Machinery Hardware

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Measuring and Inspecting

Load Cell Junction Boxes

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

Lubricating

Grease Fitting Manifolds

Grease Fitting Manifolds

Lubricate multiple points with the same amount and type of grease using one grease fitting

Grease Fitting Junction Blocks

Grease Fitting Junction Blocks

Send different types and amounts of grease from multiple grease fittings to lubricate several points

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