Insize American Standard Thread Ring Gage 4633-1B2N The Insize 4633-1B2N is a precision thread ring gage designed to check 1/4-28UNF threads (NOGO side), manufactured to ANSI/ASME B1.2 standards. Built from oil-hardened non-shrinking steel (OHNS), it provides excellent wear resistance and stable dimensions for reliable...

Insize Thread Plug Gage 10-32 UNC Class 2B Series 4643-102 The Insize 4643-102 is a precision thread plug gage for 10-32 UNF threads, Class 2B. Built to ANSI B1.2 standards, it includes GO and NOGO ends for internal thread inspection. Manufactured from OHNS steel,...

Insize Thread Plug Gage 1/2-13 UNC Class 2B Series 4643-1A1 The Insize 4643-1A1 Thread Plug Gage is designed for accurate inspection of 1/2-13 UNC internal threads, Class 2B. Conforming to ANSI B1.2 standards, it includes GO and NOGO ends for reliable gauging. Built from...

Insize Thread Plug Gage 1/2-20 UNF Class 2B Series 4643-1A2 The Insize 4643-1A2 Thread Plug Gage is built for precise checking of 1/2-20 UNF internal threads, Class 2B. Manufactured to ANSI B1.2 standards, it features GO and NOGO members to ensure accurate and repeatable...

Insize Thread Plug Gage 1/4-20 UNC Class 2B Series 4643-1B1 The Insize 4643-1B1 Thread Plug Gage is engineered for accurate gauging of 1/4-20 UNC threads, Class 2B. Complying with ANSI B1.2 standards, it includes GO and NOGO members for effective inspection. Made from OHNS...

Insize Thread Plug Gage 1/4-28 UNF Class 2B Series 4643-1B2 The Insize 4643-1B2 Thread Plug Gage is designed for inspection of 1/4-28 UNF internal threads, Class 2B. Built to ANSI B1.2 standards, it includes both GO and NOGO ends. Constructed from OHNS steel with...

Insize Thread Plug Gage 3/4-10 UNC Class 2B Series 4643-3B1 The Insize 4643-3B1 Thread Plug Gage is designed for accurate inspection of 3/4-10 UNC internal threads, Class 2B. Built to ANSI B1.2 standards, it includes GO and NOGO ends for reliable gauging. Manufactured from OHNS...

Insize Thread Plug Gage 3/4-16 UNF Class 2B Series 4643-3B2 The Insize 4643-3B2 Thread Plug Gage is built for checking 3/4-16 UNF internal threads, Class 2B. Conforming to ANSI B1.2, it features GO and NOGO members for precise gauging. Made of OHNS steel with...

Insize Thread Plug Gage 3/8-16 UNC Class 2B Series 4643-3C1 The Insize 4643-3C1 Thread Plug Gage is made for  3/8-16 UNC internal threads, Class 2B. Built to ANSI B1.2 standards, it includes GO and NOGO ends for precise inspection. Constructed from OHNS steel and...

Insize Thread Plug Gage 3/8-24 UNF Class 2B Series 4643-3C2 The Insize 4643-3C2 Thread Plug Gage is designed for measuring 3/8-24 UNF internal threads, Class 2B. Conforming to ANSI B1.2, it comes with GO and NOGO ends for reliable gauging. Made from OHNS steel,...

Insize Thread Plug Gage 5/8-18 UNF Class 2B Series 4643-5C2 The Insize 4643-5C2 Thread Plug Gage is engineered for precise inspection of 5/8-18 UNF internal threads, Class 2B. It conforms to ANSI B1.2 standards and comes with GO and NOGO members. Made of OHNS...

Insize Thread Plug Gage 5/16-18 UNC Class 2B Series 4643-5D1 The Insize 4643-5D1 Thread Plug Gage is engineered for precise inspection of 5/16-18 UNC internal threads, Class 2B. It complies with ANSI B1.2 standards and features both GO and NOGO members for accurate gauging....

Insize Thread Plug Gage 5/16-24 UNF Class 2B Series 4643-5D2 The Insize 4643-5D2 is a precision plug gage for inspecting 5/16-24 UNF internal threads, Class 2B. Designed to ANSI B1.2 standards, it includes both GO and NOGO members to ensure accurate and repeatable measurement....

Insize Thread Plug Gage 7/16-20 UNF Class 2B Series 4643-7D2 The Insize 4643-7D2 Thread Plug Gage is designed for checking 7/16-20 UNF internal threads, Class 2B. Conforming to ANSI B1.2 standards, it comes with GO and NOGO members for accurate thread gauging. Built from...

Insize Thread Plug Gage 9/16-18 UNF Class 2B Series 4643-9D2 The Insize 4643-9D2 is a high-accuracy thread plug gage for 9/16-18 UNF internal threads, Class 2B. It meets ANSI B1.2 standards and is supplied with both GO and NOGO members for reliable gauging. Made...

Insize Straight Edge The Insize 4700-500 Straight Edge is a precision tool designed for checking straightness and flatness of surfaces with high accuracy. Made from hardened stainless steel and finished with satin chrome plating, it offers long-lasting durability and corrosion resistance. The beveled edge...

Insize 90° Flat Edge Square The Insize 4791-50 flat edge square is a high-precision tool for checking 90° squareness in machining and inspection. Made of stainless steel and hardened to DIN875 grade 0, it delivers durable, repeatable accuracy. Specifications : Part No: 4791-50 Size...

Insize 90° Flat Edge Square The Insize 4791-75 stainless steel square is engineered for precise 90° squareness checking. Built to DIN875 grade 0 (hardened), it ensures long-term accuracy for machining, calibration, and inspection. Specifications : Part No: 4791-75 Size (L×W): 75×55 mm Squareness (Inside α):...

Insize Machinist Square (Economic Type) The Insize 4796-100 Machinist Square is designed for checking squareness and 90° angle measurement in workshop applications. Made of carbon steel and complying with DIN875 Grade 2, this economic type square offers dependable accuracy for general use. Note: it...

Insize Machinist Square (Economic Type) The Insize 4796-125 Machinist Square is designed for checking squareness and 90° angle measurement in workshop applications. Made of carbon steel and complying with DIN875 Grade 2, this economic type square offers dependable accuracy for general use. Note: it...

Insize Machinist Square (Economic Type) The Insize 4796-150 Machinist Square is designed for checking squareness and 90° angle measurement in workshop applications. Made of carbon steel and complying with DIN875 Grade 2, this economic type square offers dependable accuracy for general use. Note: it...

Insize Machinist Square (Economic Type) The Insize 4796-200 Machinist Square is designed for checking squareness and 90° angle measurement in workshop applications. Made of carbon steel and complying with DIN875 Grade 2, this economic type square offers dependable accuracy for general use. Note: it...

Insize Machinist Square (Economic Type) The Insize 4796-250 Machinist Square is designed for checking squareness and 90° angle measurement in workshop applications. Made of carbon steel and complying with DIN875 Grade 2, this economic type square offers dependable accuracy for general use. Note: it...

Insize Machinist Square (Economic Type) The Insize 4796-300 Machinist Square is designed for checking squareness and 90° angle measurement in workshop applications. Made of carbon steel and complying with DIN875 Grade 2, this economic type square offers dependable accuracy for general use. Note: it...

Insize Machinist Square (Economic Type) The Insize 4796-400 Machinist Square is designed for checking squareness and 90° angle measurement in workshop applications. Made of carbon steel and complying with DIN875 Grade 2, this economic type square offers dependable accuracy for general use. Note: it...

Insize Machinist Square (Economic Type) The Insize 4796-450 Machinist Square is designed for checking squareness and 90° angle measurement in workshop applications. Made of carbon steel and complying with DIN875 Grade 2, this economic type square offers dependable accuracy for general use. Note: it...

Insize Machinist Square (Economic Type) The Insize 4796-50 Machinist Square is designed for checking squareness in workshop applications. Made of carbon steel and complying with DIN875 Grade 2, this economic type square offers dependable accuracy for general use. Note: it is not hardened and...

Insize Machinist Square (Economic Type) The Insize 4796-500 Machinist Square is designed for checking squareness and 90° angle measurement in workshop applications. Made of carbon steel and complying with DIN875 Grade 2, this economic type square offers dependable accuracy for general use. Note: it...

Insize Machinist Square (Economic Type) The Insize 4796-75 Machinist Square is designed for checking squareness and 90° angle measurement in workshop applications. Made of carbon steel and complying with DIN875 Grade 2, this economic type square offers dependable accuracy for general use. Note: it...

Insize Angle Gauge of Countersunk Holes The Insize 4856-1 is a precision tool for measuring the angles of countersunk holes. Made of stainless steel for durability, it offers multiple preset angles to ensure quick and accurate verification in machining, inspection, and quality control applications....