Best Metric Bore Gauges in 2026

Super Precision Deep Bore Gauge

Measures bore to 10" deep, Range 2" to 6" diameter

0.0005" precision graduations

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

【Range】5/16" - 6" (8mm to 150mm), Stainless Steel Construction.

【Using】Gage expands in a hole to be measured , locks in place and then removed to determine final hole size using a micrometer or calipers.

【Package】Includes 6 sets, with vinyl case

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 1.4-6" range bore gage, with a two-point contact system, is used for measuring hole diameters and also to detect geometry abnormalities such as ovality and taper; carbide-tipped anvil contact points provide extended wear and improved abrasion resistance

SELF CENTERING: The easily adjustable bore gauge is self-centering for fast, accurate measurements

Includes extension holder and fitted case

Chrome plated handle. Easily adjustable

Insulated grip. Self-centering.

Figures and increments both inch and metric are etched into surface

For measuring of slot width, gap hole and etc.

Gauge is made of stainless steel, durable

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.

Dial bore gage with Carbide-tipped contact points for extended wear and improved abrasion resistance

Size 1.4 – 6" , Graduation: 0.0005 inch with tolerance marker on indicator

Easily adjustable with bezel lock for zero setting

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

With Carbide tip on measuring plunger

Dial indicator includes jewel bearing, including ABS storage box

Includes extensive holder and fitted case.

Chrome plated handle. Insulated grip.

Self-centering. Easily adjustable.

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.

For Measuring Different Diameters - Range 50MM(1.97") to 160MM(6.23") diameter, Measures bore to 150mm (5.9") deep, Accuracy 0.01MM(0.0003")

Super Precision Deep Measuring Bore Gauge - Two-point contact is used to detect geometric diameter measurement problems such as ovality and taper

Professional Quality - Self-centering measuring extended heads, chrome plated handle and good quality ABS storage case

✅ ACCURATE & PRECISE: This dial bore gauge is primarily used by machinists to precisely measure the inner diameter of bores in motor engines. When measuring cuts or hole sizes, a dial bore gauge's speed and accuracy can save a lot of time

✅ MEASURING RANGE: With this dial gauge, you can easily and accurately measure cylinder bores for taper. They have a measuring range of 2-6m and 0.001m and are equipped with a self-centering guiding protective bridge for dependable and repeated use

✅ WELL-CONSTRUCTED ENGINE TOOL: A dial bore gauge that is built to be irreplaceably reliable and precise, allowing for more efficient and trouble-free repairs. This premium bore gauge is built to last

Accurate Measurements: The bore gage features an electronic indicator with resolution of 0.00005"/.001mm and measuring depth of 9 inches

Durable Construction: This electronic indicator provides both inch and metric readings; two-point contact system is used to detect geometry problems such as ovality and taper; carbide-tipped contact points provide extended wear and improved abrasion resistance

The easily adjustable bore gage is self-centering and includes a 2-inch contact extension holder

Accurate figures and increments are etched into surface, easy to read

Both Metric and Stadard reading | Welding taper gauge: 1-15mm (1/64-5/8 inch)

Polished, bright and clean without burr, rust laser engraved line and will not rub off

Includes extension holder and fitted case

Chrome plated handle

Insulated grip. Self-centering

Made To Withstand Even The Toughest Jobs

Designed With The User In Mind

Fit To Match The Needs In The Shop, At Home Or In The Field

SPECIFICATION Name:Industrial Tools Dial Bore Gauge Set Material: Metal Measure range:50-160mm Accuracy: 0.01 Weight:1211g

THE BORE GAUGES The bore gauges are used to measure internal sizes of work pieces by comparative method

GOOD GUIDING PROTECTIVE BRIDGE These series bore gauges are equipped with a good guiding protective bridge which can be self-centering exactly and reliably

Precise Measurement: The measuring range of cylinder dial bore gauge is 2"-6", the accuracy is 0.001"

High Accuracy Industrial Measurement: Users can measure cylinder out-of-roundness and taper without removing the piston with bore measurements up to 10" deep - this diameter gauge can reach critical wear areas of the cylinder

Sturdy and Wear-Resistant: The engine cylinder measuring tool is made of stainless steel, the measuring plunger contains a carbide tip, and the dial contains gem bearings, which effectively improves the durability of the cylinder inner diameter dial indicator

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

Set Of 3 Quality Stainless Steel Bore Gauges

Range Covered In These 3 Gauges Is 2 To 45 Mm ( 1/16 To 13/4)

Etched Imperial Standard Measurements On One Side Metric On Other Side

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

Range: 1.200-1.600" 30-40mm. Resolution: 0.00005" / 0.001mm. Accuracy: 0.00020"

Carbide measuring surfaces

Contact points are designed to allow measurments near the bottom of a blind hole