The Insize 4739-150 Bench Centers is a precision inspection instrument designed for checking roundness, concentricity, and runout of cylindrical components. It is ideal for quality control, machining inspection, and batch measurement applications where consistent accuracy is essential. Featuring a rigid fixed stand and smooth...

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 NPT Thread Plug Gage 1/8 x 27 Taper 1:16 Series 4644-1C27 The Insize 4644-1C27 is a precision NPT thread plug gage designed for verifying 1/8 x 27 tapered pipe threads. Built to ANSI/ASME B1.20.1 standards, it includes both GO and NOGO members to...

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 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 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 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 5/8-18 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...

The Insize 4643-5C1 American Thread Plug Gauge is a precision inspection tool designed for checking internal 5/8-11 UNC threads to Class 2B standards. Manufactured for accurate GO and NO GO thread verification, this gauge ensures threaded holes comply with dimensional tolerance requirements in machining,...

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 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 3/4-16 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 3/4-10 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 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 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 1/2-20 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 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 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 Taper Slot Gage The Insize 4630-3 Taper Slot Gage is designed for quick and accurate measurement of slot width. Made from stainless steel with a satin chrome-plated reading surface, it provides durability and excellent readability. Ideal for machining, tooling, and inspection applications where...

Insize Long Feeler Gage The INSIZE 4605-132 Long Feeler Gage is designed for precise clearance and gap measurement. Made of hardened alloy steel, it complies with DIN2275 Grade TC1, ensuring dependable accuracy. Its long design makes it ideal for applications requiring extended reach in...

Insize Metric Fine Thread Plug Gage The INSIZE 4139 Series plug gage is used for inspecting fine-pitch internal threads to ISO1502. Each gage includes Go and No-Go members, ensuring accurate and reliable thread verification in machining and inspection tasks. Specifications : Series: 4139 Model...

Insize Metric Fine Thread Plug Gage The INSIZE 4139 Series plug gage is used for inspecting fine-pitch internal threads to ISO1502. Each gage includes Go and No-Go members, ensuring accurate and reliable thread verification in machining and inspection tasks. Specifications : Series: 4139 Model...

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 4131-2A2 The Insize 4131-2A2 is a precision thread plug gage for 1/12UNF threads, Class 2A. Supplied with both GO and NOGO members, it ensures fast and reliable inspection of internal threads to ANSI/ASME B1.2 standards. Each gage is...

Insize American Standard Thread Plug Gage 4131-1G2 The Insize 4131-1G2 is designed for precise measurement of No. 1-64UNF threads, Class 2A. This plug gage includes both GO and NOGO members, ensuring accurate inspection of internal threads in line with ANSI/ASME B1.2 standards. Each gage...

Insize Metric Thread Plug Gage 4130-8G The Insize 4130-8G is a precision plug gage for M8 × 1.25 mm threads, Class 6G. Designed according to ISO1502 standards, it is supplied with GO and NOGO members for accurate thread inspection. Each gage is supplied with...

Insize Metric Thread Plug Gage The Insize 4130-2 Metric Thread Plug Gage is designed for precise verification of internal threads. Manufactured to ISO1502 standards, it is supplied with both Go and No-Go gages, ensuring accurate inspection of M2 × 0.4 mm threads in Class...

Insize Metric Thread Plug Gage 4130-1D6 The Insize 4130-1D6 is a thread plug gage for M1.6 × 0.35 mm threads, Class 6G. Designed to ISO1502 standards, it includes GO and NOGO members for accurate and repeatable inspection of internal threads. Each unit comes with...

Insize Metric Thread Plug Gage 4130-1D4 The Insize 4130-1D4 is a high-accuracy thread plug gage for M1.4 × 0.3 mm threads, Class 6H. Supplied with both GO and NOGO members, it enables quick verification of internal threads against ISO1502 standards. An inspection certificate is...

Insize Metric Thread Plug Gage 4130-1D2 The Insize 4130-1D2 is a precision plug gage designed for measuring M1.1 × 0.25 mm threads. Built to ISO1502 standards, it comes with both GO and NOGO members to ensure accurate inspection of internal threads. Each gage is...