Hole Plates | McMaster-Carr

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90° Angle with Threaded Stud

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T-Slotted Framing Rail Profile

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Hole Diameter

Shape

Color

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Center-to-Center

Number of Mounting Holes

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Compliant

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DFARS Specialty Metals

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Export Control Classification Number (ECCN)

EAR99

Bolt-Together Framing Component

Opening Pattern

Surface Bracket Style

2,185 Products

Most Likely Products

U-Bolt Plates

Reinforce mounted U-bolts for a more secure hold

203 products

Brackets

Connect surfaces in an assembly

252 products

T-Slotted Framing Structural Brackets

Join T-slotted rail surfaces and corners to build virtually any structure

211 products

Perforated Sheets

Filter, sort, separate, and strain liquid or dry material

237 products

Strut Channel Structural Brackets

Join strut channel surfaces and corners to route conduit and pipe or build other structures

280 products

Coordinate Measuring Machine Fixture Plates

Lay the foundation for your fixturing setup

37 products

All Results

Building and Machinery Hardware

T-Slotted Framing Structural Brackets

Join T-slotted rail surfaces and corners to build virtually any structure

211 products

T-Slotted Framing Mounts

Connect tubes, switches, casters, and other components to T-slotted rails

45 products

T-Slotted Framing Braces

Reinforce joined corners of T-slotted rails for a sturdier connection than structural brackets

73 products

T-Slotted Framing Hinges

Install swinging components such as doors, gates, and lids on T-slotted framing structures

127 products

Strut Channel Structural Brackets

Join strut channel surfaces and corners to route conduit and pipe or build other structures

280 products

Strut Channel Outlet Box Covers

Enclose wiring within strut channel and knock out the holes to mount outlets and switches

1 product

Strut Channel Floor Mounts

Anchor strut channel structures to the floor

58 products

Strut Channel Wall Mounts

Secure strut channel to walls and posts

25 products

Strut Channel Conduit Routing Mounts

Run conduit along strut channel to create a raceway for wiring

4 products

Strut Channel Outlet Boxes

Mount outlets on strut channel to supply power where needed

2 products

Bolt-Together Framing and Fittings

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

122 products

Clamp-On Framing and Fittings

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

1 product

Brackets

Connect surfaces in an assembly

252 products

Panel Hanging Brackets

Mount and remove panels

67 products

Leveling Mounts

Level machines and workbenches on uneven surfaces, reduce vibration, and protect floors

26 products

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

12 products

Strip Door Mounting Plates

Bolt or press door strips on these plates to create strip doors

32 products

Material Handling

U-Bolt Plates

Reinforce mounted U-bolts for a more secure hold

203 products

Screw Jack Mounts

Stabilize screw jacks to support loads

4 products

Jack Mounts

Thread onto jack rams to secure them to a surface

2 products

Fluid Handling

Perforated Sheets

Filter, sort, separate, and strain liquid or dry material

237 products

Measuring and Inspecting

Coordinate Measuring Machine Fixture Plates

Lay the foundation for your fixturing setup

37 products

Coordinate Measuring Machine Angle Brackets

Create a 90° mounting point to secure small workpieces with supports

2 products

Micrometer Head Mounting Brackets

Mount a micrometer head to your jig or fixture to accurately position workpieces

16 products

Calibration Squares

Lay horizontally or vertically on CNC machines to check the position of tools with high precision

2 products

Fabricating and Machining

Fixture Plate Plugs

Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines

1 product

Grid Fixture Plates

Use threaded and unthreaded holes to position workpieces for precise and repeatable machining

1 product

Angle Plates

Ensure accurate right angles and hold workpieces and fixtures perpendicular to your machine table

61 products

Sine Plates

Use with gauge blocks to measure angles on your workpiece or set up a part for precision grinding

3 products

Fixture Tables

Add clamps, brackets, and other components to build fixtures for welding and assembly

6 products

Vacuum Workholding Plates

Secure parts too thin to be held in clamps and vises for milling, drilling, routing, and finishing

3 products

Containers, Storage, and Furniture

Metal Panels

Close off openings in structures while allowing air to pass through

254 products

Fastening and Joining

Weld Nuts

Weld to metal surfaces to add permanent threads

12 products