Starrett 67997 T436.1XRL-1 Outside Micrometer 0-1" Range .0001" Graduation

The Starrett T436.1XRL-1 is a professional-grade outside mechanical micrometer offering a 0–1" measuring range with .0001" graduations and ±0.00005" accuracy. Part of Starrett's renowned 436 series, this micrometer is trusted by precision machinists and skilled tradespeople worldwide for measuring the outside diameter, thickness, and width of machined components.

Key Features:

• Range: 0–1" (0–25mm)
• Graduation: .0001" with vernier scale on sleeve and thimble
• Accuracy: ±0.00005"
• Anvil & Spindle: Flat, micro-lapped carbide faces for wear resistance and precise measurement
• Thimble: Ratchet stop for consistent, repeatable measuring pressure
• Lock Nut: Knurled ring type for secure spindle locking
• Frame Finish: Satin chrome — no glare, rust-resistant
• Sleeve Design: Advanced staggered line layout with distinct figures for easy readability
• Spindle: Extremely hard, stable one-piece construction
• Frame: Gracefully tapered design for use in narrow slots and confined spaces
• Includes: Storage case
• Optional: Standard Letter of Certification (SLC) available as an add-on

The Starrett 436 series outside micrometer (also known as a micrometer caliper) is built for demanding environments including tool rooms, job shops, and precision machining facilities. The balanced frame and thimble design provide comfortable, fatigue-reducing handling, while the ratchet stop ensures uniform spindle pressure for consistent, repeatable results. NIST-compliant certification is available upon request.