Block Clamps | McMaster-Carr

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	For Copper Tube Size For Copper Tube Size

1/4

	Manufacturer Manufacturer

Mitutoyo

Starrett

	For Number of Lines For Number of Lines

	Clamping Fastener Thread Size Clamping Fastener Thread Size

	Maximum Temperature Maximum Temperature

930 Products

Vibration-Damping Routing Clamps

Weld-Mount Vibration-Damping Routing Clamps

For a more secure connection than rail- and adhesive-mount clamps, weld the bottom plate of these clamps onto your rails. They fit tightly around pressurized lines in hydraulic systems to lessen vibration.

Two-Line Weld-Mount
Vibration-Damping Routing Clamps

Secure two pressurized hydraulic lines with a single clamp to lessen vibration in hydraulic systems. Weld the bottom plate onto the mounting surface for a more secure connection than rail- and adhesive-mount clamps.

Rail-Mount Vibration-Damping Routing Clamps

For use with a single line, these clamps mount directly onto rails, no adhesive or welding required. They fit tightly around pressurized lines in hydraulic systems to lessen vibration.

Two-Line Rail-Mount
Vibration-Damping Routing Clamps

Secure two pressurized hydraulic lines with a single clamp. Mount these clamps directly onto rails, no adhesive or welding required. They fit tightly around the lines to reduce vibration.

Strut-Mount Vibration-Damping Routing Clamps

Slide multiple clamps into existing strut channel to organize lines of pipe, tubing, and conduit without the need for drilling, welding, or using adhesive. Clamps have a plastic or rubber cushion or body to reduce vibration.

Clamping and Workholding

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.

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.

Hardened V-Blocks

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

Magnetic V-Blocks

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

Machinable V-Blocks

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

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.

Setup Blocks

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

Economy Setup Clamp and T-Slot Fastener Kits

Good for occasional machining, economy kits contain lower-strength components than standard kits.

Setup Clamp and T-Slot Fastener Kits

Get everything needed for basic workholding on a machine table.

Step Blocks

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

Tool Accuracy Checkers

Starrett Gauge Block Sets

Use these Starrett gauge block sets for precision layout, machine setup, and producing close-tolerance dies and fixtures.

Gauge Blocks

Vital for dimensional quality control, these gauge blocks are often used for precision layout, machine setup, and producing close-tolerance dies and fixtures.

Economy Gauge Block Sets

Use these gauge block sets for precision layout, machine setup, and producing close-tolerance dies and fixtures.

Mitutoyo Gauge Block Sets with Calibration Certificate

These sets come with a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy.

Mitutoyo Gauge Block Sets

Use these Mitutoyo gauge block sets for precision layout, machine setup, and producing close-tolerance dies and fixtures.

Angle Block Sets

Create and check angles with these precision-ground blocks. Each block is labeled with its angle.