Place into larger V-blocks to hold small shafts and cylinders. Set includes two clamps that fit different workpiece diameters.

Magnetic surfaces on the bottom, back, and one V face of these blocks eliminate the need for mounting clamps and bolts. Turn the lever to switch the magnetic force on and off.

To hold and support large or small round or cylindrical workpieces, position these two-piece V-blocks to accommodate any diameter. They are a good choice when frequently changing workpiece sizes.

Use this block to hold workpieces at precise angles. Adjust the block to the desired angle, then tighten the set screw on the bottom of the block to lock it in place.

Support workpieces at the exact height you need for inspection, milling, or grinding. These V-blocks combine the precision of shims and blocks with the adjustability of a screw jack. They help you keep workpieces level, even when the ends are uneven. Turn a dial to move the surface of each block up or down in 0.001” increments, then lock it in place with a set screw. Made in pairs, these blocks are ground to tight tolerances for grooves that are centered and parallel with the base. They’re hardened iron for durability and dent resistance.

A precision bushing inside each mounting hole helps you clamp these V-blocks onto plates, columns, and other grid fixtures with pinpoint accuracy. Their through holes match industry standard 1/2"-13 threaded holes with 2" center-to-center spacing. Made from steel, these blocks are ground to tight tolerances for a centered groove and squared faces. They’re hardened to withstand dents and wear, so they’ll hold their shape over time. A black oxide coating helps prevent corrosion.

Vertical- and horizontal-mount V-blocks have counterbored through holes, so you can attach them to your fixture with precision shoulder screws (sold separately). The screws have a shoulder diameter tolerance of 0.0004" for a tight fit that keeps blocks from shifting.

Flange-mount V-blocks have both slots and holes for more mounting options when you’re building a setup. For precise locating, use a dowel pin to mount them through straight holes on the bottom. For more flexible positioning, mount through the slots in the base with a socket head screw. Mounting fasteners are sold separately.

Set these V-blocks onto a magnetic chuck or plate to lock metal workpieces in place—no fussing with clamps or bolts. Made of alternating layers of iron and stainless steel, these blocks conduct the magnetic field through their body and channel it straight into your workpiece. They’re often used to cradle rods, shafts, and irregularly shaped parts during grinding and inspecting. Each layer is entirely fused together with copper brazing, so you can machine these blocks without the layers separating. Compared to blocks made from aluminum or brass, these blocks are harder and more dent-resistant, so they hold their shape over time.

Matched pair blocks are ground together, so their heights, faces, and grooves are identical. When you rest your workpiece across the two blocks, they keep the centerline level.

With vees in three different sizes, these blocks can support rods and shafts in a wide range of diameters. They’re precision ground in pairs to tight tolerances, so their heights, faces, and grooves are perfectly matched. When you rest your workpiece across two blocks, they’ll keep the centerline level. Made of hardened steel, they resist wear, so they’ll stay precise even with heavy use.

Made in pairs, these V-blocks are precision ground to tight tolerances for straight sides, square corners, and centered grooves. Since their top surfaces are perfectly matched, they keep the centerline of your workpiece level and parallel. These blocks are often used to precisely align round workpieces for measuring or inspecting. They come with a certificate traceable to NIST confirming their accuracy. Unlike metal blocks, these black granite blocks don’t rust or warp from temperature changes. They’re also nonmagnetic, so they won’t interfere with sensitive electronic equipment.

Inspection Grade A blocks are used for general inspections and quality-control work. They’re slightly less precise than Grade AA blocks.

Laboratory Grade AA blocks have the tightest tolerance for the highest level of accuracy. They’re best for inspections and quality-control work in calibration labs.