Best Inch Cylinder Bore Gauges in 2026

Accurate Measurements: This Bore Gage Features A Dial Indicator With A Graduations Of 0.0005" And A Measuring Depth Of 9.5"

Extended Range: This 2-6" Bore Gage, With A Two-Point Contact System, Is Used For Measuring Hole Diameters And To Detect Geometry Abnormalities. The Carbide-Tipped Anvil Contact Points Provide Extended Wear & Improved Abrasion Resistance

Self-Centering: The Easily Adjustable Bore Gage Is Self-Centering For Fast And Accurate Measurements

Inch / Metric Range 2" to 6" diameter

Measures bore to 10" deep

Analog bar display with adjustable rang and tolerance indicators

【Multifunctiolan Digital Dial Bore Gauge Set】Neoteck digital bore gauge set includes 1*0.5 inch Digital Indicator; 1*a set of measuring accessories; 1*Measuring rod; 12*Different Specifications of Gauge：75mm、70mm、65mm、60mm、55mm、50mm、45mm、40mm、35mm、30mm、25mm、20mm、10mm from bottom to limit metal ring, 1* Storage Case, which if ideal for Deep Engine Cylinder Measurement

【Accurate Digital Indicator】This digital indicator bore gage set features a digital indicator with diameter range: 0 ~ 12.7 MM (0 ~ 0.5 inch); Resolution: 0.01 MM (0.0005 inch). Use After Zero Setting - Before measuring, be sure to adjust the pointer of the dial indicator to the ‘’0’’ setting and select the measuring head of the appropriate size for measurement

【Precision Digital Bore Gauge】Bore Gauge Measuring diameter range:50mm-160mm(2-6 inch ), Measures deep:150mm (5.9 inch ), Accuracy:0.01MM(0.0003 inch). Super Precision Deep Measuring Bore Gauge - Two-point contact is used to detect geometric diameter measurement problems such as ovality and taper.

Range from 2" to 6". Accuracy: 0.001"

With Carbide tip on measuring plunger

Dial indicator includes jewel bearing, including ABS storage box

Size：Range from 2" to 6"（50mm to 160mm）；bore to 150mm (5.9") deep; Accuracy 0.01MM (0.0003")；12 PCS anvils: 1 x 2",1 x 2.2",1 x 2.4",1 x 2.6",1 x 2.8",1 x 3",1 x 3.2",1 x 3.4",1 x 3.6",1 x 3.8",2 x 4".

Industrial Professional High Precision Gage：Bore measurement up to 10" deep enables users to measure cylinder out-of-roundness without removing the piston, for mechanic use.

Accurate and Effective：With Carbide tip on measuring plunger，Two-point contact is used to detect geometric diameter measurement problems such as ovality and taper.making repairs more efficient and hassle-free.

Application – This kit universal fits for all diesel engines. Range: 1.00 inch. Graduations: .001 inch. Reading: 0-100.

Material – It is made of special high quality steel and aluminum alloy, hard coated crystal dial face for scratch & corrosion resistance, which reduces the weight of the product and has strong corrosion resistance, wear resistance and durability. Minimize measurement errors and make the measurement results more accurate.

Quick measurement steps – Cylinder sleeve height using pointed contact; Counter bore depth using flat end contact; Top dead center; Piston-to-deck height; Valve protrusion; Easy reading around entire bore.

This dial bore gauge set are equipped with a good guiding protective bridge which can be self-centering exactly and reliably

The moveable anvil on one side and an interchangeable on another side , which serves for setting the bore diameters

This dial indicator with magnetic base and point precision inspection set is measuring range is 50-160mm.Easy to measure, and with high accuracy, which is 0.01

Absolute Encoder Technology digital indicator w/ IP54 protection

Measure in Inch or Metric with Auto Conversion - Range 1.4" - 6" or 36mm - 150mm

Resolution: 0.00005” / 0.001mm Accuracy: 0.0003” / 0.008mm Repeatability: 0.00005” / 0.001mm

【Tool steel, stainless steel】 It is made of tool steel and stainless steel, and after special processing, it can be used for a long time. It is widely used for measuring the inner hole size of various processing techniques.

【Non-slip handle】 The thickened frosted stainless steel handle is non-slip and more convenient for measurement and use. Measuring range: 2-6in, resolution: 0.001in, display range: 0-0.5in.

【Multiple specifications】 High-strength hardened probe, suitable for high-strength measurement. Multiple probes to meet different inner diameter measurements.

1.8 to 4” range, 6” probe depth, 0.00005”/0.001 mm resolution, with + or - 0.00012” accuracy

LCD display for easy measurement reading

Conforms to IP 53 for dust and water protection