Starrett 2-3″ Disc-Type Micrometer 256RL-3 – 11-115-3

55941

The Starrett 256M Disc-Type Micrometer is used to measure the thickness of work sections such as ribs, lands, fins, cutting edges on form tools, and chordal thickness of gear teeth. Because of their large anvil and spindle faces, the 1″ and 25mm sizes are also useful for measuring the thickness of sheet materials like paper, cardboard, rubber, and plastics. 2-3 Range, .001 Grad, Ratchet Stop, Lock Nut.

Features:

• Advanced sleeve design with staggered lines and distinct figures for precise and easy readability
• Quick-reading figures every thousandth numbered on inch tools
• Balanced frame and thimble design ensure easy handling and better readability
• Quick and easy adjustment
• Starrett satin chrome finish no glare resists rust
• Ring-type knurled lock nut for quick and sure locking
• The combination ratchet and speeder for uniform pressure and quicker adjustment on all sizes
• Gracefully designed tapered frame for use in narrow slots and tight places
• Anvil and spindle discs are 1/2″ (12.7mm) diameter tapering to .015″ (0.4mm) edge thickness making it possible to enter narrow grooves and recesses
• Rigid one-piece frame of drop forged steel
• Extremely hard and stable one-piece spindle
• Micro-lapped measuring faces
• This tool is accurate to .00015″ or 0.003mm measuring over the whole surface and .0002″ or 0.004mm measuring on the edges

Specifications:

• Micrometer Type: Disc-Type Micrometers with rotating spindle
• Range (in): 2-3″
• Graduations (in): .001″
• Anvil/Spindle Material: Steel
• Anvil Type: Flat Disk
• Spindle Type: Flat Disk
• Lock Nut Type: Knurled Ring Type
• Thimble Type: Ratchet