Best Accusize Industrial Tools Bore Gauges in 2026

Displays inches with fractions or millimeters

Lays flat for fence to blade or bit positioning

Locking rule for repeat setting

Sturdy Steel Construction - Made of 65 manganese steel by heat treatment, high strength, corrosion resistance and no rust, long life.

Gages Range - 4 sizes of gages are supplied in a fitted case. Incl. 1/8"-1/5",1/5"-3/10",3/10"-2/5",2/5"-1/2"

Adjustment - Smooth, sensitive adjustment for better feel, giving more accurate measurements

Range 0.7" to 6" diameter, Measures bore to 10" deep

Super Precision Deep Measuring Bore Gauge

Accuracy: 0.0005" with Crisp Precision Graduations

Super Precision Deep Bore Gauge

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

0.0005" precision graduations

Fits all diesel engines

Range: 1.00"

Graduation: .001"

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

[Size]: diameter range: 2.000"-6.000"; graduation: 0.0005"; depth: 6"; 12 PCS anvils: 1PC 2",1PC 2.2",1PC 2.4",1PC 2.6",1PC 2.8",1PC 3",1PC 3.2",1PC 3.4",1PC 3.6",1PC 3.8",2PCS 4"

[Industrial Professional High Precision Gage]: Bore diameter measurement as deep as 10" enables users to measure the out-of-roundness and taper of cylinders without removing pistons -- critical wear area of the cylinder can be reached with this gauge.

[Packing]: Includes all the necessary spacers, interchangeable extensions and ABS storage case

[MATERIAL]: It is made of carbon steel with chrome plating on the surface

[PACKAGE INCLUDE]: Range: 5/16" - 6" (8mm to 150mm),6PCS in total(1 gage: 5/16 - 1/2" range x 4.20" overall; 1 gage: 1/2 - 3/4" range x 4.40" overall; 1 gage: 3/4 - 1-1/4" range x 4.40" overall; 1 gage: 1-1/4 - 2-1/8" range x 5.85" overall; 1 gage: 2-1/8 - 3-1/2" range x 5.85" overall; 1 gage: 3-1/2 - 6" range x 5.85" overall); Ethylene plastic bag packaging

[OPERATION METHOD]: Use the gauge to expand in the hole to be measured, lock it in place, and then take it down, and measure with micrometer or caliper to determine the final hole size

Gauge Set Comes In It's Own Carrying Case

Easy To Use/ Easy To Read

Professional Quality

Includes extension holder and fitted case

Chrome plated handle. Easily adjustable

Insulated grip. Self-centering.

Hardened measuring faces

Satin chrome finish

Knurled handle clamp rod

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

【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.

Made in Japan

Package height :6.096 cm

Package length :38.608 cm

Patent pending Quick Click calibration technology allows the gauge to be adjusted in the field to ensuring accuracy

Heavy duty plated brass with seamless tube construction. Resists corrosion and stands up to the most demanding service environments

Laser inscribed aluminum scale bar provides easy-to-read precision, 10-160 PSI range in 2 PSI increments

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

With Carbide tip on measuring plunger

Dial indicator includes jewel bearing, including ABS storage box

TOOL LENGTH: Approx. 7.5cm/2.95", 7.8cm/3.07", 8.8cm/3.46", 9.2cm/3.62"

GAUGE RANGE: 1/8"-1/5",1/5"-3/10",3/10"-2/5",2/5"-1/2"

EXTRA LONG FOR GAUGING DEEP AND SHALLOW HOLES,SLOTS AND SIMILAR WORK

Range 2.000"-6.000" diameter, .0005" graduations, 6" depth

For quick transferable accurate inside measurements

Insulated Grip - Carbide Anvils - Tool weight 6.1 lbs

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.

Spring loaded with locking knurled knob. Range: 5/16" - 6" (8mm to 150mm)

Stainless Steel Construction, Titanium coating finish

Rigid handle and double action design (self-centering) for quick checking of inside measurements

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

High Precision and Accuracy - Pin Gages are used to gage bored features. It is especially useful for gaging the straightness of a relatively deep bore. They are used to test hole size and its geometry.

Easy to Use - Each pin is centerless lapped and is clearly etched with the stated size. All Starrett pin gages are manufactured to a 0.0002" tolerance and offered in 0.001" increments, it comes with an inspection certificate with every set.

Durable Construction - Sets are supplied in rugged, high impact protective cases with each space marked for the appropriate gage. It is color coded, fully adjustable Go/No-Go gage handle furnished with each set.

Ergonomic Design - These dial bore gages are designed with your comfort in mind. The non-slip grip and light weight make it easy to use for long periods of time.

Durable Construction - Our dial bore gages are built to last, withstanding even the most rigorous use. They're perfect for industrial or commercial applications.

Wide Range Of Selection - It offers a variety of each of the major classes; mechanical dial, electronic display, lever style test and back plunger. Each type has its own unique strengths.

[MATERIAL]: It is made of carbon steel with chrome plating on the surface

[PACKAGE INCLUDE]: Range: 5/16" - 6" (8mm to 150mm),6PCS in total(1 gage: 5/16 - 1/2" range x 4.20" overall; 1 gage: 1/2 - 3/4" range x 4.40" overall; 1 gage: 3/4 - 1-1/4" range x 4.40" overall; 1 gage: 1-1/4 - 2-1/8" range x 5.85" overall; 1 gage: 2-1/8 - 3-1/2" range x 5.85" overall; 1 gage: 3-1/2 - 6" range x 5.85" overall); Ethylene plastic bag packaging

[OPERATION METHOD]: Use the gauge to expand in the hole to be measured, lock it in place, and then take it down, and measure with micrometer or caliper to determine the final hole size

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

Measuring Range: 2-6"

Bore Depth: 6"

Contact Points: 2