Adjustment Blocks | McMaster-Carr

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System of Measurement

Gauge Size

Shape

Stepped Rectangle

Material

Aluminum Bronze

Stainless Steel

Length

Width

Gauge Block Grade

Height

1 1/8" to 2 1/2"

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

Stud Diameter

Manufacturer

Certificate Type

Accuracy Certificate Traceable to NIST

Calibration Certificate Traceable to NIST

Clamping Action

Specifications Met

Thread Size

Number of Pieces

Jaw Width

V-Block Style

Workpiece Diameter

5/16" to 13/32"

V Depth

Mount Type

Unthreaded Through Hole

V-Block Type

V Width

How can we improve?

1,132 Products

Fabricating and Machining

V-Blocks

Hold round workpieces

Step Blocks

Support setup clamps for quick height adjustments

Fixture Keys

Locate fixtures and vises on your machine table

Setup Blocks

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

Fixturing Clamps

Fixturing Clamps

Secure your workpiece to a fixture table so it won't move during machining

Fixturing Kits

Everything needed to mount workpieces of different sizes to your machine table

Fixture Tables

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

Wedges

Level material, split mated parts, and align machinery

Vise Jaw Liners

Vise Jaw Liners

Place over vise jaws to protect workpieces from marring

Alignment Locks

Alignment Locks

Precisely align your mold halves

Measuring and Inspecting

Gauge Blocks

Confirm dies, fixtures, and other workpieces meet precise tolerances and calibrate measuring tools

Bore Gauge Calibrators

Bore Gauge Calibrators

Set and check the accuracy of two-point bore gauges

Bench Centers

Inspect cylindrical parts for irregularities that could cause wobbles or vibrations

Calibration Squares

Calibration Squares

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

Height Gauge Calibrators

Height Gauge Calibrators

Ensure height gauges are accurate

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