Best Gage Blocks of 2025

The Accusize Industrial Tools 81 Pcs Steel Gauge Block Set, Grade B, P900-S581 is designed for accuracy and longevity. The set is made of high-quality steel, hardened to HRC 64, and resistant to corrosion and defacement. The set includes 81 pieces and is accompanied by a certificate of inspection for each block, with deviation listed. The blocks meet or exceed federal specification ASME B89.1.9-2002. The set is calibrated for use at a temperature of 68 degrees F (20 C).

The WEN 81-Piece Steel Gauge Block Set is a workshop-grade set that includes 81 individual steel blocks of various sizes ranging from .05 inches to 4 inches. It comes with a unique certificate of inspection following ASME B89.1.9 standards, allowing you to calibrate measuring equipment with a tolerance of +0.25 μm to −0.15 μm. The hard-shelled carrying case keeps the blocks organized and protected from contaminants, making it convenient to carry around.

The Fowler Economy Rectangular Gage Block Set is made of high carbon/chrome steel with a low coefficient of thermal expansion, providing durability and longevity. The blocks are lapped and polished to achieve a very low micro-surface finish, ensuring accurate measurements with a tolerance of ± 0.00005". The set comes in standard industrial sizes, is fully interchangeable with all accessories, and includes a deluxe fitted case and certificate of inspection traceable to the National Institute of Standards & Technology. With a wide range of tolerance, this block set can withstand various shop needs.

The Mitutoyo Steel Rectangular Gage Block is an ASME Grade AS-1 block that meets the standard for flatness, length, parallelism, and surface finish. It is made of high-carbon, high-chrome steel, providing high hardness and wear-resistance. The rectangular base ensures accurate wringing, and the block's nominal length is indicated with laser-etched, black characters. The identification number is also etched in the block for traceability.

Shars Gage Block Set is a comprehensive tool for precision measurements. With blocks ranging from .1001 to 1 inch, it provides accuracy in various increments. The set includes 81 blocks, allowing you to measure with precision and confidence. The .0001" steps offer fine adjustments, while the 1" steps provide versatility for different applications. The blocks from .050 to .950" cover a wide range of measurements, making it a versatile set for your needs.

The Accusize Gage Block Set is a high-quality set of 36 steel gage blocks manufactured by Accusize Industrial Tools. These gage blocks are designed to provide the highest degrees of accuracy when used at a temperature of 68 degrees F (20 C). Each block in the set is assigned a serial number and comes with a certificate of inspection, which lists the deviation for each block. This ensures that you can rely on the accuracy of each block in the set. The gage block set meets or exceeds the federal specification ASME B89.1.9-2002, guaranteeing its quality and performance. Additionally, these gage blocks are made to a special standard to resist corrosion and defacement, ensuring their durability and longevity. With the Accusize Gage Block Set, you can trust that your measurements will be precise and accurate, making it an essential tool for any professional or hobbyist.

Introducing the Mitutoyo Gage Blocks set, perfect for checking spindle wear on OD micrometers. These high-carbon, high-chrome steel blocks come thermally stabilized to maintain accuracy over time. Each block is laser-etched with a serial number for traceability. Sized for various spindle rotations, they ensure precise measurements and durability. The Mitutoyo Gage Blocks offer convenience and reliability for your measurement needs.

The Accusize Gage Block Set offers precision and reliability for your measurement needs. Manufactured under strict conditions, these blocks ensure high accuracy, especially at a stable temperature of 68°F (20°C). Each set comes with a unique serial number and an inspection certificate, detailing the deviation of each block, so you can trust their consistency. With a surface hardness of HRC 64, they are durable and resistant to wear, making them ideal for various applications. Additionally, these blocks are designed to prevent corrosion and damage, enhancing their longevity and performance.

The WEN 10423 123 Blocks are essential tools for machinists, woodworkers, metalworkers and more. This set of two blocks includes 5 threaded 3/8-16 UNC cross-drilled holes, allowing users to calibrate equipment, space workpieces, and collect exact measurements. Each block measures 3 by 2 by 1 inches in size, making them easy to handle and carry to various job sites.

TEXALAN Gauge Block Set is a versatile and reliable tool for calibrating fixtures and precision instruments in workshops. Made of fully seasoned alloy tool steel, the set is hardened to 65 RC, ensuring long wear and resistance to stains and rust. With 81 pieces, including blocks ranging from .1001 to 4 inches, this set provides a wide range of measurements. The blocks are manufactured under controlled conditions, guaranteeing high accuracy at room temperatures. Each block is certified by an accredited ISO-17025 Gage lab and bears a unique serial number. The Grade B gage blocks are commonly used in workshops for calibrating and inspecting mounting tools and cutters. Upgrade your workshop with the TEXALAN Gauge Block Set and enjoy precise measurements and reliable performance.