Unified Thread Gauges

We are a Manufacturer of Unified Thread Gauges in India, used for measuring the pitch or lead of a screw thread. The most commonly used classes of Unified Thread Gauges are 2A and 3A for external threads and 2B and 3B for internal threads. Our Gauges are available in various dimensions to meet your gauging and inspection needs.

Unified Thread Gauges are used for general-purpose fastening applications for the Imperial System of units. We are reliable Unified Thread Gauge suppliers in India. These are manufactured with good-grade raw materials to ensure the durability and efficiency of the products.

Technical Specification
Product Name	Unified Thread Gauges
Gauge Types	Thread Plug Gauge, Thread Ring Gauge, GO Gauge, NO-GO Gauge
Thread Series Covered	UNC, UNF, UNEF, UNS, UN
Applicable Standards	ASME B1.1 (Unified Inch Screw Threads), ASME B1.2 (Gages & Gaging Practice)
Material	Hardened Tool Steel
Thread System	Unified Thread Standard (UTS)
Thread Profile Angle	60° V-Thread Form
Measurement Unit	Inch (Imperial System)
Tolerance Classes – External	1A, 2A, 3A
Tolerance Classes – Internal	1B, 2B, 3B
Size Range	1/4" to 1"
Standard TPI Range	12 to 28 TPI
Customization	Available as per requirement

Precision Knowledge Behind Every Accurate Thread Check

Precision That Builds Confidence
Our expertise focuses on designing unified thread gauges that ensure accurate thread checking for industrial parts. Every gauge is developed with controlled tolerances, smooth thread profiles, and stable geometry to support repeatable inspection in daily machining environments.
Built for Long Service Life
We use hardened materials and controlled heat treatment to ensure long gauge life. Dedicated Impex applies proven manufacturing methods that help unified thread gauges resist wear, maintain form accuracy, and deliver consistent checking results over extended usage cycles.
Consistency Across All Sizes
Our unified thread gauges are produced with uniform pitch control and profile accuracy. This ensures inspectors receive the same reliable feel and result across different sizes, helping maintain consistent quality standards in high-volume production operations.
Process Driven Accuracy
Each gauge follows a defined manufacturing process that includes profile measurement, dimensional checks, and final verification. DIC ensures every unified thread gauge meets required thread standards before packing and dispatch.
Designed for Easy Inspection
Our expertise includes gauge design that allows smooth thread checking and reliable inspection results. This helps operators easily confirm thread accuracy, reduces confusion during checking, saves inspection time, and supports consistent and dependable quality control on the production floor.
Stable Performance in Production
Unified thread gauges are engineered to perform reliably even in continuous inspection cycles. Controlled material selection and precise grinding methods help maintain thread form stability, reducing inspection variation during repeated use.
Application Focused Engineering
Our team understands real machining conditions and designs gauges accordingly. Unified thread gauges are developed to support automotive, engineering, and industrial component inspection with dependable accuracy and easy handling.

Reliable Thread Inspection Solutions Delivered Across Global Markets

Trusted Across Global Markets
Unified thread gauges are supplied to international customers who demand consistent inspection quality. Our global supply approach ensures reliable specifications, standardized packaging, and clear documentation to support smooth delivery across different countries.
Quality Ready for International Use
DIC produces each gauge to meet global thread standards, making it suitable for export requirements. Our unified thread gauges deliver reliable performance across different machining environments worldwide, supporting consistent inspection results for international manufacturing and quality control operations.
Safe and Secure Global Packing
Export shipments use protective packing methods that prevent corrosion, damage, and thread deformation. This ensures unified thread gauges reach customers in perfect condition, ready for immediate inspection use upon arrival.
Reliable Supply Chain Support
We maintain stable production planning to meet international demand without delays. Dedicated Impex Co. supports worldwide customers with consistent supply schedules and dependable communication throughout the export process.
Adapted for Global Inspection Needs
Unified thread gauges are suitable for multiple industries across regions. Their standardized design supports smooth acceptance by global quality teams following international inspection practices and documentation requirements.
Clear Identification and Traceability
Each exported gauge includes proper marking and labelling for easy identification. This helps global users manage inventory, inspection records, and quality audits without confusion or additional handling steps.
Worldwide Customer Confidence
Our export approach focuses on long-term relationships built on accuracy and reliability. Unified thread gauges delivered worldwide help customers maintain consistent thread quality and dependable inspection performance.

Your Brand Identity Built on Trusted Gauge Manufacturing

Your Brand, Our Manufacturing Strength
We support custom branding solutions that allow unified thread gauges to reflect your brand identity. Marking, labelling, and packaging are carefully aligned to your requirements while maintaining full inspection accuracy.
Tailored Branding for Market Presence
Unified thread gauges can be supplied with customized brand markings and visual identity. Dedicated Impex ensures branding is clean, durable, and professionally finished for distributor and end-user presentation.
Flexible Private Label Solutions
We offer flexible branding options suitable for dealers and industrial suppliers. Custom logos, codes, and packaging designs help unified thread gauges fit seamlessly into your existing product range.
Consistent Look Across Product Lines
Branding consistency is maintained across different gauge sizes and types. DIC Tools ensures unified thread gauges follow uniform visual standards that strengthen brand recognition in competitive industrial markets.
Professional Packaging Support
Custom packaging options protect gauges while enhancing brand value. Clean layouts, strong materials, and clear identification help present unified thread gauges as reliable, high-quality inspection tools.
Confidential Manufacturing Partnership
We support branding programs with complete confidentiality. OEM and private label unified thread gauges are manufactured with strict process control while protecting your brand identity and market positioning.
Market-Focused Custom Solutions
Branding options are designed based on target market needs. Unified thread gauges can be customized to suit regional preferences, distributor expectations, and customer handling practices without affecting inspection performance.

Product FAQ's

1. What are Unified Thread Gauges?

Unified Thread Gauges are precision inspection tools used to verify the dimensional accuracy of Unified inch screw threads. They ensure threaded components conform to required tolerance limits for pitch diameter, major diameter, and thread form as per ASME standards.

2. Which standards govern Unified Thread Gauges?

Unified Thread Gauges are manufactured according to ASME B1.1 for thread form and ASME B1.2 for gauging practice, ensuring accurate inspection of Unified National threads used in industrial applications.

3. What thread series are covered under Unified Thread Gauges?

These gauges are available for UNC (Unified National Coarse), UNF (Unified National Fine), UNEF (Unified National Extra Fine), UNS (Unified National Special), and UN constant pitch series threads, covering a wide range of inch-based fastening applications.

4. What tolerance classes are available for Unified Thread Gauges?

Unified Thread Gauges are available in Class 1A, 2A, 3A for external threads and Class 1B, 2B, 3B for internal threads. Class 2A/2B is the most commonly used general-purpose industrial fit.

5. What parameters do Unified Thread Gauges control?

These gauges control critical thread parameters including pitch diameter, major diameter, minor diameter, lead accuracy, flank angle, and thread form geometry to ensure complete compliance with dimensional standards.

6. What is the size range available for Unified Thread Gauges?

Unified Thread Gauges are available from small numbered sizes (No. 0 and above) to large diameter threads, including custom sizes as per customer drawings and tolerance class requirements.

7. What industries use Unified Thread Gauges?

Unified Thread Gauges are widely used in automotive, aerospace, oil & gas, defense, heavy engineering, and general manufacturing industries where inch-based threaded fasteners require strict quality control inspection.

8. Can Unified Thread Gauges be customized as per special thread requirements?

Yes, Dedicated Impex offer Unified Thread Gauges can be manufactured for special thread sizes, non-standard TPI combinations, and specific tolerance classes such as 3A/3B or special fits. Custom gauges are produced according to customer drawings and comply with **ASME standards to ensure accurate inspection and reliable performance in critical industrial applications.

Need Additional Support?

If you didn’t find the information you’re looking for, please connect with our DIC Tools specialists for expert assistance. Our team is ready to support you with product selection, technical guidance, and export inquiries.
📩 Get Expert Tooling Support

Related Gauges

Thread Ring Gauges

Spline Gauges

Hexagon Plug Gauges

Thread Plug Gauges

Plain Plug Gauges

Involute Spline Ring Gauges

Plain Ring Gauges

Plain Morse Taper Gauges

Taper Plug Gauges