Top Gage Blocks for Precision Measurement

The best Gage Blocks includes Jecoupoon 1-2-3 Blocks Set (23 Holes), Yunnergo Ultra-Precision Parallel Blocks Set (1x2x3), Aspaton 123 Blocks Set [3-2-1] for Calibration and many others as mentioned below.

1

Jecoupoon 1-2-3 Blocks Set (23 Holes)

  • Precision ground with .0002" accuracy.
  • Hardened tool steel construction for durability.
  • Flatness and parallelism within .0003" tolerance.
  • Matched pair blocks for versatile setups.
  • Heat treated to HRC 57-62 hardness.
  • Ideal for machinists and precision work.
  • Overall size accuracy within +/- .0003".
  • Average Rating out of 5:
  • Price Range: $21.87
2

Yunnergo Ultra-Precision Parallel Blocks Set (1x2x3)

  • High quality steel for durability and longevity.
  • 0.0001 precision ensures accurate measurements.
  • Includes 23 holes for versatile applications.
  • Comes with hexagonal screws and wrench.
  • Compact plastic case for easy storage.
  • Ideal for machinists, woodworkers, and metalworkers.
  • Customer support available for inquiries.
  • Average Rating out of 5:
  • Price Range: $23.59
3

Aspaton 123 Blocks Set [3-2-1] for Calibration

  • Precision ground with .0002" tolerances.
  • Made from high hardness materials.
  • Durable and wear-resistant design.
  • Easy to use for equipment calibration.
  • Features 23 holes for versatile applications.
  • Case hardened on all six sides.
  • Compact size: 1x2x3 inches blocks.
  • Average Rating out of 5:
  • Price Range: $18.33
4

findmall 10 Pair Machinist Parallel Block Set

  • High precision with +/- 0.0002 accuracy.
  • Set includes 10 matching pairs of blocks.
  • Made from durable, quality alloy steel.
  • 4-inch length, ideal for machinists' needs.
  • 1/8 inch wide and thick for versatility.
  • Height increments from 1/2 to 1-5/8 inches.
  • Comes in a wooden box for storage.
  • Average Rating out of 5:
  • Price Range: $21.68
5

Accusize Precision 81-Piece Gauge Block Set

  • 81-piece Grade B steel gauge block set.
  • Manufactured for high accuracy at 68°F (20°C).
  • Each block includes a unique serial number.
  • Comes with inspection certificate listing deviations.
  • Meets federal specification ASME B89.1.9-2002.
  • Hardened to HRC 64 for durability.
  • Corrosion-resistant design for long-lasting use.
  • Average Rating out of 5:
  • Price Range: $110.20
6

TMTECK 4-Step Steel Calibration Block [1018]

  • High-quality 1018 steel construction for durability.
  • Four-step design for versatile calibration testing.
  • Steps measure 0.25", 0.5", 0.75", and 1".
  • Conforms to ASTM E797 standards for accuracy.
  • Includes ABS carrying case for easy transport.
  • Factory certificate ensures precise calibration standards.
  • Ideal for ultrasonic testing and measurement applications.
  • Average Rating out of 5:
  • Price Range: $48.00
7

Mitutoyo Steel Gage Block [611195-541] 0.5"

  • Grade AS-1 gage block with inspection certificate.
  • Meets ASME B89.1.9-2002 standards for precision.
  • High-carbon, high-chrome steel for durability.
  • Rectangular shape ensures accurate wringing.
  • Laser-etched length for easy identification.
  • Traceable identification number etched on block.
  • Average Rating out of 5:
  • Price Range: $30.24
8

findmall 246 Machinist Blocks (2-4-6) .0002"

  • Made from hardened accuracy-grade tool steel.
  • Ground on all six sides for precision.
  • Heat treated to HRC 57-62 hardness.
  • Accuracy within .0002" on all sides.
  • Dimensions: 2"x 4"x 6" for versatile use.
  • Features 23 holes for enhanced functionality.
  • Lightweight design with maximum strength efficiency.
  • Average Rating out of 5:
  • Price Range: $65.02
9

kimllier V Block Gauge Tool [1Pc]

  • Hardened steel construction for durability and strength.
  • Precise dimensions: 3-1/2" x 1-7/8" x 1-7/8".
  • Accuracy to 0.0003 inch for reliable measurements.
  • Ideal for grinding, milling, and drilling applications.
  • Includes clamps for secure workpiece holding.
  • Central hole for easy drilling and pin removal.
  • Parallel sides ensure consistent and accurate setups.
  • Price Range: 0
  • Material: Steel
10

Accusize Precision Parallel Sets - 10 Pairs

  • 1/8" thick matched pairs for precision tasks.
  • Includes 10 pairs for versatile applications.
  • 6" length ensures compatibility with various setups.
  • Accuracy of +/-0.0002" parallelism for reliability.
  • Height accuracy of +/-0.0001" for precision.
  • Made from durable high-quality alloy steel.
  • Hardened and ground for superior performance.
  • Average Rating out of 5:
  • Price Range: $51.40
  • Color: Silver
  • Material: Alloy Steel
11

Aspaton Precision Parallel Block Set (1x2x3)

  • High precision with 1/10,000th accuracy.
  • Made of durable, high-quality steel.
  • Resistant to deformation and wear.
  • Easy to operate and use efficiently.
  • Includes hexagonal screws and wrench.
  • Perfect for precision machining and alignment tasks.
  • Verify precision before purchasing to avoid mistakes.
  • Average Rating out of 5:
  • Price Range: $22.39
12

Marddpair 1" x 2" x 3" Parallel Block Set

  • Precision: Accuracy within 0.0001 inch to 0.0002 inch.
  • Material: Made from hardened steel for durability.
  • Weight: Lightweight at 3.5 lbs for easy handling.
  • Finish: Surface smoothness of 6 to 16 microinches.
  • Design: Features no holes for optimal stability.
  • Includes: One matched pair of parallel blocks.
  • Versatile: Ideal for machinist milling and setups.
  • Average Rating out of 5:
  • Price Range: $19.30
13

WEN 12-Piece Steel Angle Gauge Set

  • 12 precision steel angle gauges included.
  • Ideal for machinists and metalworkers.
  • Various angles for versatile applications.
  • Hardened steel blocks ensure durability.
  • Perfect for setting milling angles.
  • Includes hard-shelled carrying case.
  • Blocks organized and protected from contaminants.
  • Average Rating out of 5:
  • Price Range: $41.74
14

Mitutoyo Gage Block [5.0 mm, Grade 0]

  • High-quality Grade 0 gage block
  • Complies with ASME B89.1.9-2002 standards
  • Made from high-carbon, high-chrome steel
  • Ensures exceptional hardness and wear resistance
  • Rectangular design for accurate wringing
  • Laser-etched length in millimeters
  • Identification number for traceability included
  • Average Rating out of 5:
  • Price Range: $25.14
15

Yunnergo Ultra Precision 2-3-4 Blocks (3 PPM)

  • Ultra precision with 3 PPM accuracy.
  • Constructed from high-quality, durable steel.
  • Features 23 precision holes for versatile use.
  • Resistant to deformation and wear over time.
  • Easy to operate for quick adjustments.
  • Includes a pair of parallel blocks.
  • Contact us for any inquiries or support.
  • Average Rating out of 5:
  • Price Range: $39.89
16

TMTECK Nickel Plated Ultrasonic Calibration Block

  • Made from durable 1018 steel material.
  • Nickel plated for corrosion resistance.
  • Five precision step sizes: 0.1 to 0.5 inches.
  • Compact dimensions: 0.75” x 0.75” size.
  • Includes a high-quality ABS carrying case.
  • Comes with a certificate of conformity.
  • Ideal for ultrasonic thickness calibration tasks.
  • Price Range: $68.00
17

findmall 1 x 2 x 3 Blocks Set (23)

  • 23 holes for versatile clamping options.
  • Hardened tool steel for durability and strength.
  • Precision ground to ensure high accuracy.
  • Heat treated for enhanced hardness and longevity.
  • Cross drilling design maximizes strength while minimizing weight.
  • Ideal for setup, layout, and inspection tasks.
  • Includes screws and hex key for convenience.
  • Average Rating out of 5:
  • Price Range: $22.67
  • Material: Steel
18

Bagby Gage Stick [4F-L-16.5] 16.5FT Folding

  • Durable construction for long-lasting use.
  • Lightweight design for easy portability.
  • 16.5FT length for versatile usage.
  • Folds easily for convenient storage.
  • Ideal for professionals and DIY enthusiasts.
  • Clear measurements for accurate readings.
  • Great gift for outdoor and construction lovers.
  • Average Rating out of 5:
  • Price Range: $61.10
19

Accusize Precision Angle Block Set (10 Pcs)

  • Precision accuracy of ±0.0001'' per inch.
  • Includes ten angle blocks for versatile setups.
  • Lightly magnetized for secure holding during use.
  • Hardened and precision ground for durability.
  • Compact size: 3'' long x 1/4'' thick.
  • Fitted case available in plastic or wooden box.
  • Ideal for tooling, production, and inspection tasks.
  • Average Rating out of 5:
  • Price Range: $46.00
20

HHIP 1/8" x 1-1/2" x 6" Parallel

  • Made from high-quality tool steel.
  • Stress relieved to prevent distortion.
  • Precision ground for accurate measurements.
  • Hardened for increased durability and strength.
  • Features 2 holes for easy handling.
  • Tolerance of 0.0003 on two sides.
  • Dimensions within .0001 allowance for precision.
  • Average Rating out of 5:
  • Price Range: $7.30
21

TINVHY 9-Pack Steel Parallel Set

  • 9-pack for versatile machining tasks.
  • 1/4 inch thick for stability and strength.
  • 6 inch length for effective clamping.
  • Hardened precision for accurate measurements.
  • Made from high-quality tool steel.
  • Includes durable plastic storage case.
  • Ideal for drilling, boring, and milling.
  • Average Rating out of 5:
  • Price Range: $57.70
  • Size: ‎Medium
  • Material: Steel
22

Mitutoyo Steel Rectangular Gage Block [611201-531]

  • Grade 0 precision for accuracy and reliability.
  • Laser-etched length for easy identification.
  • High-carbon steel for durability and wear resistance.
  • Complies with ASME B89.1.9-2002 standards.
  • Rectangular design for optimal wringing accuracy.
  • Identification number etched for traceability.
  • Supplied with a Mitutoyo certificate of inspection.
  • Average Rating out of 5:
  • Price Range: $46.99
23

TMTECK 10-Step Calibration Block (0.1"-1")

  • 10-step calibration for precise measurements.
  • Made from durable 1018 steel.
  • Thickness range from 0.1" to 1.0".
  • Includes a high-quality ABS carrying case.
  • Ideal for ultrasonic thickness gauge testing.
  • Comes with a certification for accuracy.
  • Compact design for easy storage and transport.
  • Average Rating out of 5:
  • Price Range: $125.00
24

Accusize Precision Parallel Set (6 Pairs)

  • Six pairs of precision parallel tools included.
  • Adjustable size range from 3/8" to 2-1/4".
  • Length options between 1-3/4" to 5".
  • Quickly adjustable and securely locks with set screws.
  • Ideal for layout, inspection, and setup tasks.
  • Robust 7mm thickness for durability and stability.
  • Essential for precise work in various applications.
  • Average Rating out of 5:
  • Price Range: $86.24
  • Material: Alloy Steel
25

findmall V Block Set with Clamp (1-5/8")

  • Durable hardened steel construction for longevity.
  • Precision 90° V-grooves for accurate workpiece placement.
  • Sturdy clamps ensure secure and stable holding.
  • Accuracy up to 0.0002 for high-quality machining.
  • Versatile for machining and parts inspection tasks.
  • Comes in a shockproof wooden storage case.
  • Maximum clamping capacity suitable for medium workpieces.
  • Average Rating out of 5:
  • Price Range: $31.49
  • Size: ‎1-5/8 x 1-1/4 x 1-1/4
26

TMTECK 4-Step Ultrasonic Calibration Block

  • High-quality 1018 steel construction for durability.
  • Four thicknesses: 0.1", 0.2", 0.4", and 0.6".
  • Precision step wedge design ensures accurate measurements.
  • Lightweight ABS carrying case for easy transport.
  • Complies with ASTM E797 standards for reliability.
  • Compact dimensions: 0.75" x 0.75" for convenience.
  • Ideal for ultrasonic testing and calibration applications.
  • Average Rating out of 5:
  • Price Range: $48.00
27

Raseparter Thin Parallel Bars (10pcs)

  • Includes 10 pairs of thin parallel bars.
  • Sizes range from 1/2 to 1-5/8 inches.
  • Constructed from durable, solid steel material.
  • Precision ground for accuracy and strength.
  • Permanently laser-etched size markings for easy identification.
  • Comes with a convenient plastic carrying case.
  • Pre-oiled for rust resistance and longevity.
  • Average Rating out of 5:
  • Price Range: $31.93
28

Shars Ultra Thin Precision Parallel Set [20 Pairs]

  • Ultra thin design for precise measurements.
  • Includes 20 pairs for versatile applications.
  • Thickness of each parallel: 1/32 inches.
  • Overall length of each parallel: 6 inches.
  • Height range from 1/2 to 1-11/16 inches.
  • Manufactured for accuracy within .0001 inches.
  • Ideal for machining and woodworking tasks.
  • Average Rating out of 5:
  • Price Range: $38.95