Important Notice
This item is made-to-order exclusively for you once your order is placed. As a result, it is not eligible for cancellation or return under our standard policy. Your statutory rights remain unaffected.
Please choose from a selection of interchangeable anvils and spindle tips specifically designed for use with Mitutoyo’s Series 126 Interchangeable Anvil Screw Thread Micrometers.

| Type | Metric (Unified) | Whitworth | Half-angle Error |
|---|---|---|---|
| Pitch (mm), nominal designation of threads per inch | W1 | ±30' | |
| M1 (U1) | W2 | ±30' | |
| W3 | ±20' | ||
| M2 (U2) | W4 | ±20' | |
| W5 | ±15' | ||
| M3 (U3) | W6 | ±15' | |
| M4 (U4) | W7 | ±10' | |
| W8 | ±10' | ||
| M5 (U5) | W9 | ±10' | |
| M6 (U6) | W10 | ±10' |
Spend over £100 on Mitutoyo products online and you’ll receive a free Mitutoyo Engineers’ Reference Book. Available for a limited time or while stocks last.
Worth £29.99. Automatically adds to your basket when the total exceeds £500+ (ex VAT). Limited Stock. More details here.