McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Width Width

	Length Length

	Height Height

3/4"-1 5/8"

1 1/8"-2 1/2"

1 3/4"-4"

2 1/2"-6"

3 1/2"-9"

4 7/8"-10 1/2"

	Material Material

	Hole Style Hole Style

Unthreaded

Threaded

Counterbored

	Total Number of Holes Total Number of Holes

	Number of Holes Number of Holes

	For Maximum Workpiece Diameter For Maximum Workpiece Diameter

	V-Block Type V-Block Type

Standard

With Clamp

	Hole Diameter Hole Diameter

	V Depth V Depth

	Hole Thread Size Hole Thread Size

	V-Block Style V-Block Style

	Weight Weight

	Angle Plate Type Angle Plate Type

Standard

Tight Tolerance

	Grade Grade

Inspection Grade A

Toolroom Grade B

Laboratory Grade AA

	Machinable Machinable

Yes

	V Width V Width

	Number of Slots Number of Slots

	Slot Width Slot Width

	Plate Style Plate Style

Rectangular

Rectangular with Two Ledges

	Color Color

	Gray
	Black

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193 Products

Locators, Supports, and Stops

Setup Blocks

Use these tight-tolerance blocks as mounting bases and supports to ensure accurate angles and spacing.

Miniature V-Blocks

Place into larger V-blocks to hold small shafts and cylinders. Sets include two clamps that fit different diameters.

Economy V-Blocks

Hold and support round workpieces.

Machinable V-Blocks

Easier to machine than hardened steel, these blocks can be customized to fit a workpiece.

Hardened V-Blocks

Use these pairs of blocks to support long, round workpieces—secure with the built-in clamps.

Any-Size V-Blocks

To hold and support large or small round or cylindrical workpieces, position these two-piece V-blocks to accommodate any diameter.

Magnetic V-Blocks

Magnetic surfaces on the bottom, back, and one V face of these blocks eliminate the need for mounting clamps and bolts.

Adjustable-Angle V-Blocks

Use this block to hold workpieces at precise angles.

Fixture Keys

Sized to fit with precision in machine table T-slots, use these keys to locate fixtures and vises on your machine table.

Hole-Mount Fixture Keys

Install these keys in a drilled and reamed hole to locate fixtures and vises on your machine table. Also known as sine keys.

Pin Punch-Out Blocks

Remove pins from workpieces by positioning the pins over the holes in these hardened steel blocks and tapping them out using a punch and hammer.

Fixture Plates, Angles, and Tables

Angle Plates with Mounting Slots

Use these plates to ensure accurate right angles and hold workpieces and fixtures perpendicular to a machine table.

Any-Which-Way Angle Plates

The handle extends the full length and height of these plates for use on any of their six sides.

Angle Plates

Ensure accurate right angles and hold workpieces and fixtures perpendicular to a machine table by securing them to these plates with clamps.

Angle Plates with Mounting Holes

Mount workpieces in precisely located holes for repeatable setups.

Fixturing Squares

Build fixtures on multiple sides of these squares.

Sine Bars

Measure, mark, and inspect exact angles on dies and other precision parts.

Magnetic Sine Plates

Turn the handle to switch the magnet on and secure steel parts—no need for clamps or screws.

Sine Plates

Use the tapped holes to mount your work.

T-Slot Blocks

Mount these versatile blocks to any flat surface for machine table-style T-slot clamping. They can also be used on a machine table to clamp parts at specific angles or add more total clamping points.

Step Blocks

Use these blocks to support setup clamps. Fit the nonslip steps together for quick height adjustments.

Granite Flat-Surface Plates

Corrosion resistant and nonmagnetic, these smooth plates also resist warping and abrasion.The extremely tight flatness tolerances provide an accurate reference plane for layout and inspection work.

Stands for Granite Flat-Surface Plates

These stands have three plate support points to match the support points on most granite plates.

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