INSIZE 3221 Series Tubular Inside Micrometer

INSIZE 3221 Series Tubular Inside Micrometer

Rod-type (tubular) inside micrometer supplied with a set of extension rods, extending a single micrometer head across a wide range of large bore diameters for internal measurement.

Features

• Extension Rod System - Set of extension rods extends measuring range for large-diameter bores
• Carbide Measuring Tips - Hardened carbide contact points resist wear on repeated bore checks
• Ratchet Stop Head - Delivers consistent measuring force for repeatable readings
• Wide Capacity Range - Covers up to 300mm using the supplied rod set
• Supplied Setting Standard - Ships with a setting standard to zero the instrument
• Fitted Storage Case - Rods and accessories organised in a protective case

How to Use

• Select the Right Rod Combination - Combine rods to reach the bore diameter you need to measure
• Zero on the Setting Standard - Check zero on the supplied standard before measuring
• Insert and Rock Gently - Rock the head in the bore to find the true minimum diameter
• Use the Ratchet Stop - Apply consistent, repeatable force via the ratchet mechanism

Specifications

Type: Tubular (Rod-Type) Inside Micrometer
Graduation: 0.01mm / 0.001"
Measuring Tips: Carbide
Range: up to 300mm
Origin: China