A micrometre head designed for repeatable, high-precision measurements on small components. Consistent contact and a wear-resistant face make checking tolerances less nerve-racking in a busy workshop. Does Starrett Micrometre Head 463MXRL deliver the accuracy and locking that machinists rely on?
⚡ At a Glance
- • Measuring Precision: 0.01mm graduation, +/-0.002mm accuracy
- • Best for: Bench measurement of small components where tight tolerances matter
- • Not ideal for: Tasks requiring measurements beyond 13mm range
Mechanical micrometre head with 0-13mm range and 0.01mm graduation. Combination ratchet/speeder, ring-type lock nut and carbide face improve repeatability and wear resistance.
Consistent Measuring Pressure – with combination ratchet and speeder
A combination ratchet and speeder on the thimble applies a set torque for final contact and allows quicker spindle travel when making larger adjustments. Ratchet action prevents over-tightening while speeder mode reduces adjustment time.
Uniform contact pressure reduces measurement variation during repetitive checks and speeds up setups without risking inconsistent readings.
Secure Measurement Locking – with ring-type lock nut
A ring-type lock nut clamps the spindle at any chosen setting to prevent movement after adjustment. Locking is quick and positive, designed for use while parts are moved or inspected.
Secure locking holds readings steady during handling, making transfer measurements and comparative checks more reliable.
Durable Measuring Surface – with carbide face
Carbide facing on the measuring surfaces resists wear from repeated contact, preserving the flatness and finish of the anvil and spindle faces. Carbide surfaces help maintain calibration over extended use.
A wear-resistant face keeps measurement accuracy stable over time, reducing the need for frequent adjustment or replacement.
✨ The 4 Key Reasons for Starrett Micrometre Head 463MXRL
- Combination ratchet and speeder – ensures consistent torque and speeds up larger spindle adjustments
- Ring-type lock nut – secures readings during movement and prevents accidental setting changes
- Carbide face – resists wear from repeated contact, maintaining measurement accuracy longer
- 0-13mm measurement range – covers common small components in machining and inspection tasks
📋 Technical Details at a Glance
- Range: 0-13mm
- Graduation: 0.01mm
- Accuracy: +/-0.002mm
- Thimble: Ratchet stop thimble with speeder option
- Locking: Ring-type lock nut
❓ Frequently Asked Questions
Q: What measurement range does the micrometre head cover?
A: Range is 0-13mm.
Q: What are the graduation and stated accuracy?
A: Graduation is 0.01mm with +/-0.002mm accuracy.
Q: Is there a locking mechanism to hold a setting?
A: A ring-type lock nut provides quick and sure locking at any setting.
🏆 Our Verdict
Suitable for machinists, inspection technicians and bench engineers who need repeatable, fine measurements on small parts. The combination of ratchet/speeder, ring-type lock nut and carbide face focuses on repeatability and long-lasting accuracy. Durability and stable readings deliver clear long-term value for regular workshop use.
