Best Metric Thread Gauges in 2026

Quickly and easily size bolts, screws, nuts and twist drills

Features ruler marked with inches and millimeters

Gauge metric hex nuts and washers by holding under metric holes

Each leaf is marked with thread pitch

With locking clamp

Inch and metric sizes

Quickly and accurately determine the screws size

Recommends the drill bit or tap size needed for the screw

Standard & Metric

It is 55 Degree & 60 Degree Thread / Screw Pitch Gauge gage with lock up device. Typically used to check the thread size determination is correct

Specification: Metric & Imperial & US; Metric: 6.0, 5.5, 5.0, 4.5, 4.0, 3.5, 3.0, 2.5, 2.0, 1.75, 1.5, 1.25.1.0, 0.9, 0.8, 0.75, 0.7, 0.6, 0.5, 0.45, 0.4, 0.35, 0.3, 0.25

Imperial: 4G, 4 1/2G, 5G, 6G, 7G, 8G, 9G, 10G, 11G, 12G, 13G, 14G, 16G, 18G, 19G, 20G, 22G, 24G, 25G, 26G, 28G, 30G, 32G, 36G, 40G, 48G, 60G, 62G; US: 8, 10, 11, 14, 19, 28

V-Wac Welding Gauge

Use to: Checks undercut, crown height, porosity, pits

Only Metric

Measures all metric threads from .5mm to 6mm

48 wires in 16 different sizes. ~ Measures all 60° threads

3 to 48 threads per inch

Includes a total of 3 diffrent gauges!

1) Drill Bit Gauge (Fractional & Metric) Color: Blue

2) Internally Threaded Screw Gauge Color: White

【Function】-- 2 In 1 set Screw Thread Pitch Gauge Tool, Pitch Cutting Gauge Caliper Gages Measuring Tool; 51Pcs Blade America SAE Type and 58Pcs Blade Metric & America SAE Type & British Whitworth

【Wide application】-- Accurately measures internal and external screw threads with thread blades of varied size;Use to provide the correct size drill bit, or to size fastener to determine what bit should to use. Used for checking tool angle while cutting threads in metal turning lathes, accurately measures internal and external screw threads with thread blades of varied size

【Material】--Stainless steel and chrome finish, it combines high strength, good resilience, elegant appearance. Not easy to rust and long lasting durability

★【What You Get】: In this thread pitch gauge kit, it include 51Pcs America SAE type, 52pcs metric and Inch type, 3pcs metric & america SAE type & British Whitworth, they are well packed in a plastic box, easy for carry and store.

★【High Quality】: All the thread pitch gauge are made of stainless steel, heat processed with chrome finish, high strength, good resilience, elegant appearance. Surface polished smooth, applying anti-rust oil to prevent rust.

★【Measuring Range】: 51pcs America SAE type measuring range is 4-84; 58pcs Metric & America SAE Type & British Whitworth Metric is 0.25-6.0mm, Imperial is 4G-62G US: 8, 10, 11, 14, 19, 28.

【Clear Marking】 : There is a small hole at both ends, which is convenient for adjustment and disassembly with screws. You can easily rotate the thread pitch gauge blade where you press the tooth thread gauge. The numbers are clearly marked and easy to read.

【Material】 : Screw gauge tool set is made of stainless steel and processed with chrome finish. Surface polished smooth, applying anti-rust oil to prevent rust.good resilience, elegant appearance.

【Measuring Range】: 51 pcs America SAE type measuring range is 4-84; 52 pcs Metric & America SAE Type & British Whitworth Metric is 0.25-6.0mm, Imperial is 4G-62G US: 8, 10, 11, 14, 19, 28.

Made of quality stainless steel and processed with chrome finish, it combines high strength, good resilience, elegant appearance. Not easy to rust and long lasting durability

The America SAE type thread pitch gauge has 51 pieces tablets.The metric and Inch and SAE type thread pitch gauge has 58 pieces tablets, 24 tablets of which are metric, 28 tablets are Inch and 6 tablets are America SAE

Well Made: The toothed edges are sharply defined and the numbers are stamped and easy to read

Material: the screw gauge tool set is made of stainless steel and processed with chrome finish, it combines high strength with good resilience and elegant appearance; It won't get rusted easily and owns long lasting durability

Package content: the screw gauge tool set contains 3 x screw pitch gauge and 3 x center gauge

Thread pitch gauge function: can be applied to measure the pitch of the thread

√ Screw thread pitch cutting gauge tool set.

√ Size: Metric (mm) - 60° Whitworth - 55°

√ Typically used to check the thread size determination is correct.

Function: Thread gauges accurately measures internal and external screw threads with thread blades of varied size

Material and surface finishing: Thread gauges are made of stainless steel and processed with chrome finish, it combines high strength, good resilience, elegant appearance. Most importantly, it won't get rusted easily and owns long lasting durability

Well made: The toothed edges are sharply defined and the numbers are stamped and easy to read

【Material】The screw gauge tool set is made of stainless steel and processed with chrome finish, it combines high strength with good resilience and elegant appearance; It won't get rusted easily and owns long-lasting durability

【Package content】The screw gauge tool set contains 3 x screw pitch gauge and 3 x center gauge

【Thread pitch gauge function】Can be applied to measure the pitch of the thread

Multiple Connection Options: Cylinder leak detector set features 3 types of test methods. Testing directly with universal tapered adapter, or connecting to the extension hose with fitting installed at the end or not. More than one choice, allowing for more compatibility and convenience. Compression tester kit is designed for many common engine faults such as worn piston rings / valves, cracked cylinder head, blown head gaskets & more. Professional tools for everyday commercial or occasional use.

Dual Color Compression Gauge: The engine compression gauge is fitted with quick connect system and pressure relief button for easy installation & disassembly and allows repeated tests without removing the hose over and over again. 3-inch easy to read gauge has dual scales (0-300 psi / 0-20 bar), shockproof and anti-scratch rubber cover, high visibility dial and precise pointer for excellent everlasting quality and detecting performance. Gauge can be assembled with other tools in no time!

Adapters & Hose: Cylinder compression tester kit comes with 2pcs universal rubber cone end adapters(straight type and 45° angled type) for quick check, 4pcs brass metric male adapters for most types & depths of spark plug wells. Popular thread sizes: M10×1.0, M12×1.25, M14×1.25, M18×1.5. Reinforced high pressure rubber hose has 16" in length and 300 psi W.P for extension function, enduring torsion and temperature to ensure flexibility and security assurances.

Inch, 4, 6, 8, 10, 11, 11-1/2, 12, 13, 16, 20, 28, 32, 40, 56 TPI Metric, 0.5, 0.75, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6 MM

Thread pitch size is stamped on each gage

Accurate Tool- Our convenient nut and bolt gauge is an accurate tool that allows you to quickly and easily check the size of nuts and bolts, while the permanent mark on each gauge ensures accuracy, so that your measurements are perfect!

Save Time & Money- With 26 male/female gauges - 14 inch & 12 metric - on a convenient cable loop, you can quickly and easily check to see if the sizes match before buying replacements. Save valuable time and avoid returns with specialty tools.

Durability- This thread gauge SAE and metric is crafted from strong stainless steel, making it highly durable and able to withstand a variety of conditions. The inch & metric gauges are clear zinc , making them long lasting and easy to read.

Measure the gauges of your nuts, bolts, screws, nails, PVC, copper, and more

Includes one metric thread gauge in millimeters and one imperial thread gauge in inches

Metal construction with laser-etched scales provides maximum accuracy and durability

√ Size: Metric (mm) - 60° and Whitworth Imperial - 55°.

√ Metric Size: 6.0, 5.5, 5.0, 4.5, 4.0, 3.5, 3.0, 2.5, 2.0, 1.75, 1.5, 1.25.1.0, 0.9, 0.8, 0.75, 0.7, 0.6, 0.5, 0.45, 0.4, 0.35, 0.3, 0.25

√ Imperial: 4G, 4 1/2G, 5G, 6G, 7G, 8G, 9G, 10G, 11G, 12G, 13G, 14G, 16G, 18G, 19G, 20G, 22G, 24G, 25G, 26G, 28G, 30G, 32G, 36G, 40G, 48G, 60G, 62G; --US: 8, 10, 11, 14, 19, 28

51 BLADES SCREW PITCH GUAGE FOR THREAD SIZE CHECKING OF VARIOUS SCREWS & BOLTS

55 DEGREE BRITISH WHITWORTH BSW & 60 DEGREES METRIC THREAD PITCH GAUGE

This pitch gauge accurately measures internal and external screw threads.

[Adjusted Freely]: Thread measuring gage is using rotary switch, which can be freely adjusted. Mini size and compact, the pitch measuring gage won't occupy too much space, carry it around easily with the convenience

[Magnetic Head]: The thread plug gage, through quenching processing, strong hardness, head with a magnetic. Narrow-leaved designed to measure the external and internal threads - even in small holes

[Precise Measurement]: Thread measuring gage comes with precise measurements and simple design, which can be widely used and durable. Measuring range: 0.25 - 6.00mm/0.0098" - 0.23"

Set Includes: -M12 X 1.75 -M10 X 1.5 -M8 X 1.25 -M6 X 1.0 -M5 X 0.8 -M4 X 0.7 -M3 X 0.5

Material: Steel #GCr15; Hardness HRC59--63

ANSI Standard; Taper Lock Design

Premium Quality: Made of stainless steel, processed with chrome finish, high strength, good resilience, not easy to rust for long lasting.

Center Gauge: English Wyeth 55°/ ISO Metric 60°/ American Standard 60°, used for grinding and setting screw cutting tools on a lathe.

Thread Pitch Gauge: 60° Metric: 0.25-6.0mm; 55°Imperial Whitworth: 4G-62G; America SAE Type: 8, 10, 11, 14, 19, 28; used for measure thread and external thread tooth pitch.

✔️【Package List】: This thread pitch gauge kit includes 51Pcs America SAE Type + 52Pcs Metric & America SAE Type & British Whitworth + 3 pcs Center gauge, which are well packed in a leather bag

✔️【Measuring Range】: 51pcs America SAE type measuring range is 4-84; 52pcs Metric & America SAE Type & British Whitworth Metric is 0.25-6.0mm, Imperial is 4G-62G US: 8, 10, 11, 14, 19, 28.

✔️【High Quality】: All the thread pitch gauge are made of stainless steel, heat processed with chrome finish, high strength, good resilience, elegant appearance. Surface polished smooth, applying anti-rust oil to prevent rust.

[Measure the Pitch]: This thread measuring gauge is mainly used to measure the pitch, so as to check whether the thread size meets the required gauge

[Adjustable Switch]: This thread pitch gauge metric can be adjusted freely using the switch

[Thread Plug Gauge]: This stainless steel thread plug gauge has been quenched and has high hardness and durability

1PC Bolt Thread Checker

Size Gauge Measuring Tool For Metric M12x1.25, M12x1.5, M12x1.75, M14x1.25, M14x1.5, M16x1.5, M18x1.5, M20x1.5, M22x1.5, 1/2-20 of Oil Drain Plug.

Size Gauge Measuring Tool For Bolts, Screws