High-precision GO / NO GO thread plug gauge manufactured to ISO228-2 standards for inspecting and verifying G 1/4-19 parallel pipe threads. Designed for professional quality control, machining, and inspection applications, this gauge ensures accurate thread validation and reliable fitment in industrial environments. Manufactured from...

High-precision GO / NO GO thread plug gauge manufactured to ISO228-2 standards for inspecting and verifying G 3/4-14 parallel pipe threads. Designed for professional quality control, machining, and inspection applications, this gauge ensures accurate thread validation and reliable fitment in industrial environments. Manufactured from...

HEPYC 29021 Series - 1/8"-28 BSPF Thread Plug Gauge You are purchasing a genuine HEPYC product supplied through an authorised Australian distributor. This ensures full warranty support within Australia and guaranteed product authenticity. All gauges are manufactured to strict quality standards and supplied with...

HEPYC 29021 Series - 3/8"-19 BSPF Thread Plug Gauge You are purchasing a genuine HEPYC product supplied through an authorised Australian distributor. This ensures full warranty support within Australia and guaranteed product authenticity. All gauges are manufactured to strict quality standards and supplied with...

HEPYC 29021 Series - 1/2"-14 BSPF Thread Plug Gauge You are purchasing a genuine HEPYC product supplied through an authorised Australian distributor. This ensures full warranty support within Australia and guaranteed product authenticity. All gauges are manufactured to strict quality standards and supplied with...

HEPYC 29021 Series - 1"-11 BSPF Thread Plug Gauge You are purchasing a genuine HEPYC product supplied through an authorised Australian distributor. This ensures full warranty support within Australia and guaranteed product authenticity. All gauges are manufactured to strict quality standards and supplied with...

Insize 4139-15P Fine Thread Plug Gage – M15 × 1 (Go / No-Go, Class 6H) The Insize 4139-15P Fine Thread Plug Gage is a precision inspection tool engineered for accurate verification of internal thread dimensions. Conforming to ISO 1502 standards, this plug gauge is...

Insize American Standard Thread Plug Gage 4131-5C1 The Insize 4131-5C1 is designed for gauging 5/8-11UNC threads, Class 2B. With both GO and NOGO members included, this plug gage ensures precise and repeatable inspection of internal threads. Built to ANSI/ASME B1.2 standards, it is supplied...

The Insize 4131-2A1 American Standard Thread Plug Gauge is a precision GO and NOGO gauge set designed for inspecting internal Unified National Coarse (UNC) threads to ANSI/ASME B1.2 standards. Ideal for machining, manufacturing, and quality control applications, this thread plug gauge ensures threaded holes...

The Insize 4121-3C2N American Standard Thread Ring Gauge is a precision NOGO thread inspection gauge designed for checking external Unified Fine (UNF) threads to ANSI/ASME B1.2 standards. Engineered for accurate thread verification in machining, manufacturing, and quality control environments, this gauge ensures threaded components...

The Insize 4121-7D2N American Standard Thread Ring Gauge is a precision NOGO gauge designed for inspecting external Unified Fine (UNF) threads to ANSI/ASME B1.2 standards. Suitable for machining, manufacturing, and quality assurance applications, this gauge verifies that threaded components comply with Class 2A tolerance...

The Insize 4121-5C2N American Standard Thread Ring Gauge is a precision NOGO gauge designed for inspecting external Unified Fine (UNF) threads to ANSI/ASME B1.2 standards. Ideal for machining, manufacturing, and quality assurance applications, this thread ring gauge ensures threaded parts comply with Class 2A...

Insize Fine Thread Plug Gauge You are buying a genuine Insize product from the agent appointed distributor of all Insize products within Australia. What does this mean for you, all our product warranty is honoured within Australia by Twin Eagle. Each product is shipped...

The Insize 4139-22P Metric Fine Thread Plug Gauge is a high-precision Go/No-Go gauge designed for the accurate inspection of M22 × 1.0 internal metric fine threads. Manufactured in accordance with ISO 1502 standards, this gauge enables quick and reliable verification of thread size and...

Insize Thread Plug Gauge Insize Thread Plug Gauge is designed for accurate inspection of internal threads, allowing reliable verification of pitch diameter and thread tolerance in machining and quality control applications. Precision-manufactured for dimensional stability, it ensures consistent and repeatable go/no-go checking. Specifications: Part...

The Insize 4129-48VN Metric Fine Thread Ring Gauge is a precision NOGO gauge designed for accurate inspection and verification of external metric fine threads. Manufactured to ISO1502 standards, this gauge is engineered for high-precision thread checking applications in machining, manufacturing, engineering, and quality control...

The Insize 4130-1 Metric Thread Plug Gauge is a precision inspection tool designed for accurate checking of internal metric threads. Manufactured to ISO1502 standards, this thread plug gauge is ideal for machining, engineering, manufacturing, and quality control applications where precise thread verification is essential....

Insize NOGO Thread Gauge You are buying a genuine Insize product from the agent appointed distributor of all Insize products within Australia. What does this mean for you, all our product warranty is honoured within Australia by Twin Eagle. Each product is shipped with...

Insize NOGO Thread Gauge You are buying a genuine Insize product from the agent appointed distributor of all Insize products within Australia. What does this mean for you, all our product warranty is honoured within Australia by Twin Eagle. Each product is shipped with...

Insize NOGO Thread Gauge You are buying a genuine Insize product from the agent appointed distributor of all Insize products within Australia. What does this mean for you, all our product warranty is honoured within Australia by Twin Eagle. Each product is shipped with...

Insize NOGO Thread Gauge You are buying a genuine Insize product from the agent appointed distributor of all Insize products within Australia. What does this mean for you, all our product warranty is honoured within Australia by Twin Eagle. Each product is shipped with...

Insize Thread Ring Gauge The INSIZE Thread Ring Gauge is manufactured to ISO 1502 accuracy standards as a dedicated instrument for precise pitch diameter verification in Australian workshop and machining environments. This NO-GO gauge is finely ground to enable consistent and repeatable confirmation of...

Insize Thread Ring Gauge You are buying a genuine Insize product from the agent appointed distributor of all Insize products within Australia. What does this mean for you, all our product warranty is honoured within Australia by Twin Eagle. Each product is shipped with...

Insize NO GO Thread Gauge A go/no-go gauge refers to an inspection tool used to check a workpiece against its allowed tolerances via a go/no-go test. Its name is derived from two tests: The check involves the workpiece having to pass one test (go)...

Insize Thread Ring Gauge You are buying a genuine Insize product from the agent appointed distributor of all Insize products within Australia. What does this mean for you, all our product warranty is honoured within Australia by Twin Eagle. Each product is shipped with...

Insize NOGO Thread Gauge You are buying a genuine Insize product from the agent appointed distributor of all Insize products within Australia. What does this mean for you, all our product warranty is honoured within Australia by Twin Eagle. Each product is shipped with...

INSIZE 4129-14QN Metric Fine Thread Ring Gauge M14 x 1.25 Class 6g NOGO The INSIZE 4129-14QN Metric Fine Thread Ring Gauge is a precision NOGO gauge designed for inspecting external M14 x 1.25 metric fine threads. Suitable for machining, manufacturing, and quality assurance applications,...

INSIZE 4129-14RN Metric Fine Thread Ring Gauge M14 x 1.5 Class 6g NOGO The INSIZE 4129-14RN Metric Fine Thread Ring Gauge is a precision NOGO gauge designed for inspecting external M14 x 1.5 metric fine threads. Suitable for machining, manufacturing, and quality assurance applications,...

Insize NOGO Thread Gauge You are buying a genuine Insize product from the agent appointed distributor of all Insize products within Australia. What does this mean for you, all our product warranty is honoured within Australia by Twin Eagle. Each product is shipped with...

INSIZE 4129-16RN Metric Fine Thread Ring Gauge M16 x 1.5 Class 6g NOGO The INSIZE 4129-16RN Metric Fine Thread Ring Gauge is a precision NOGO gauge designed for inspecting external M16 x 1.5 metric fine threads. Suitable for machining, manufacturing, and quality assurance applications,...