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Screw Gauge | Micrometer

Precision Measuring Instrument

Reads down to a 0.01 mm least count — far finer than a standard ruler or vernier caliper.

Measures Diameter & Thickness

Used to measure the diameter or thickness of small objects such as wires, sheets, spheres and thin rods.

Five Working Parts

A frame, thimble, sleeve, ratchet and screw work together to deliver an accurate, repeatable reading.

SKU: N/A

Price range: ₹150 through ₹200 (Exc. GST)

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Pick up from the Samtech Store in Ambala

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4-5 Days

200+

Warranty 1 year

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Free 7-Day Replacement

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Description

Screw Gauge (Micrometer) — 0.01 mm Precision

A precision micrometer screw gauge for measuring wire diameter and sheet thickness, made for school and college physics labs. Manufactured in Ambala by Samtech Instruments.

0.01 mm least count20 mm & 25 mm rangesRatchet & lock nutMade in Ambala

This screw gauge (also called a micrometer screw gauge) is a precision instrument used to measure very small lengths — the diameter of a wire or the thickness of a thin sheet — to an accuracy of 0.01 mm, far finer than a ruler or vernier caliper. As a screw gauge manufacturer in Ambala, Samtech Instruments supplies these micrometers direct to schools, colleges and labs across India at manufacturer prices.

Specifications

Instrument	Screw gauge / micrometer (analog)
Least count	0.01 mm (0.001 cm)
Available ranges	Routine 0–20 mm · Superior 0–25 mm
Reading	Main scale + circular (thimble) scale × least count
Features	Ratchet stop, lock nut, U-shaped frame
Best for	School & college physics labs, workshops
Brand / Origin	Samtech Instruments · Ambala Cantt, India

Key Features

0.01 mm accuracyMeasures to a hundredth of a millimetre for fine, reliable readings.

Two range optionsChoose 20 mm (routine) or 25 mm (superior) to suit your experiments.

Ratchet & lock nutConsistent, gentle pressure every time and a lock to hold the reading.

Lab-grade buildSturdy U-frame made to survive years of classroom use.

New to using one? Read our full guide: Screw Gauge Least Count — Formula, Diagram & How to Read.

Applications

Measuring the diameter of a wire
Measuring the thickness of a metal sheet or paper
CBSE / ICSE / state-board physics practicals
Engineering workshops and quality-control labs

Why Buy From Samtech Instruments

As a screw gauge manufacturer in Ambala — India’s hub for scientific instruments — you buy direct at manufacturer prices, with no middleman:

Manufacturer-direct pricingSchool & institution supplyPan-India deliveryGST invoicing

In stock — from ₹150 (excl. GST). Order online or request bulk pricing for your school or college lab.

Frequently Asked Questions

What is the least count of this screw gauge?

The least count is 0.01 mm (0.001 cm) — it can measure to a hundredth of a millimetre. See our screw gauge least count guide for the formula and examples.

What ranges are available?

Two options: a Routine model measuring 0–20 mm and a Superior model measuring 0–25 mm. Select your range above.

Who manufactures this screw gauge?

It is manufactured and supplied by Samtech Instruments, a screw gauge manufacturer in Ambala Cantt, Haryana, India, with pan-India delivery.

Can I order in bulk for a school or college?

Yes. We supply schools, colleges and coaching institutes at bulk and institutional rates with GST invoicing. Send us your requirement for a quotation.