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The Moore & Wright Dial Test Indicator 421 Series is a high-precision inspection instrument designed for alignment, runout measurement, comparative gauging and quality control applications. Manufactured to ANSI B89.1.10 and DIN 2270 standards, the 421 Series provides exceptional sensitivity and accuracy for demanding engineering environments.
Featuring high precision fully jewelled bearings and automatic reversal of measuring direction, these indicators deliver smooth, repeatable measurements regardless of probe movement direction. The rotating dial and dual dovetail clamps provide flexible mounting and easy readability during setup and inspection tasks.
Fitted with durable carbide contact points and a 12mm (1/2") stylus, the 421 Series is available in both metric and imperial versions, offering ultra-fine graduations for precision measurement applications.
| Product Code | Measurement System | Range | Graduation | Accuracy | Dial Reading | Dial Diameter |
|---|---|---|---|---|---|---|
| MW421-01 | Metric | 0.2mm | 0.002mm | ±0.004mm | 0-100-0 | 25mm |
| MW421-02 | Metric | 0.2mm | 0.002mm | ±0.004mm | 0-100-0 | 37mm |
| MW421-01I | Imperial | 0.008" | 0.0001" | ±0.0002" | 0-4-0 | 1" |
| MW421-02I | Imperial | 0.008" | 0.0001" | ±0.0002" | 0-4-0 | 1½" |
| Specification | Details |
|---|---|
| Product Type | Dial Test Indicator |
| Series | 421 Series |
| Standards | ANSI B89.1.10 & DIN 2270 |
| Bearings | High Precision Fully Jewelled Bearings |
| Direction Reversal | Automatic |
| Dial Type | Rotating Dial |
| Mounting | Two Dovetail Clamps |
| Contact Point | Carbide Point |
| Stylus Length | 12mm / 1/2" |
| Applications | Alignment, Runout Measurement, Comparative Gauging & Precision Inspection |
The Moore & Wright 421 Series Dial Test Indicators offer extremely fine graduations and exceptional measurement sensitivity, making them ideal for precision inspection, machine setup and quality control applications where maximum accuracy is required.
Order by 11am to get delivered next working day!
*Subject to stock. If same-day dispatch isn’t possible, we’ll contact you.
DPD Standard service is charged at £4.50. (2-5 Working Days)
Next working day DPD service is charged at £6.50. (Order before 11am)
Orders over 30kg are shipped on a pallet, with delivery calculated at checkout.
Additional charges will be imposed by our couriers for delivery to remote area, a surcharge may be levied to cover carriage to these areas.
Free delivery on orders over £250. (2–6 working days)
Your product is covered by a 12 month Warranty.
