The Insize 3241-75 Depth Micrometer is a precision measuring instrument designed for accurate depth measurement of slots, holes, recesses, and stepped surfaces in machining, engineering, and inspection applications. Featuring interchangeable measuring rods and a precision micrometer head, this depth micrometer delivers reliable and repeatable measurements for workshop and quality control environments. Manufactured to meet DIN863-2 standards, the instrument is supplied with three precision rods for expanded measuring capability across a 0-75mm range. The hardened flat-ended rods and finely graduated micrometer head ensure smooth operation, high accuracy, and dependable performance in demanding industrial applications. Key Features & Benefits Precision depth measurement for holes, slots, grooves, and recesses Measuring range from 0-75mm Fine graduation of 0.01mm Micrometer head accuracy of ±3µm Rod accuracy of ±(2+L/75)µm Manufactured to DIN863-2 standard Supplied with 3 interchangeable measuring rods Flat-ended hardened measuring rods for accurate contact Ratchet stop for consistent measuring force Precision ground measuring surfaces Durable construction for workshop and inspection use Suitable for machining, engineering, and quality control applications Technical Specifications Part Number: 3241-75 Product Type: Depth Micrometer Range: 0-75mm Graduation: 0.01mm Micrometer Head Accuracy: ±3µm Rod Accuracy: ±(2+L/75)µm Number of Rods Included: 3 pcs Length of Base Plate Measuring Surface (L): 101.5mm Rod End Type: Flat end Rod Diameter: Ø4.5mm Standard: DIN863-2 Ratchet Stop: Yes Included Components: Micrometer head assembly 3 interchangeable measuring rods Base plate measuring surface Protective storage packaging Applications: Measuring hole depths Checking slot and groove depth Recess and step measurements Precision machining inspection Workshop quality control Engineering and toolroom applications Insize depth micrometers are engineered for professional precision measurement applications requiring dependable accuracy, repeatability, and long service life in industrial environments. Insize is globally recognised for producing high-quality precision measuring instruments trusted by machinists, engineers, manufacturers, and inspection professionals worldwide.