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256, 256M DISC-TYPE MICROMETERS WITH ROTATING OR NON-ROTATING SPINDLES
0-3"/0-75MM
These tools are 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.
256 Disc-Type Micrometers (.001" Graduation) Range 0-1" 0-1" 1-2" 2-3"
• Advanced sleeve design with staggered lines and distinct figures for precise and easy readability
• Quick-reading figures – every thousandth numbered on inch tools
• Convenient decimal equivalents on 1" and 2" reading tools
EASE-OF-HANDLING FEATURES
Cat. No. 256RL-1 256PN-1 256RL-2 256RL-3
256MRL-25 256MPN-25 256MRL-50 256MRL-75
Cat. No. 910 912 922
EDP
51236 56469 55940 55941
51238 56470 55942 55943
EDP
55397 55399 55222
• Balanced frame and thimble design ensure easy handling and better readability
• 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
• Available in the 1" and 25mm sizes with rotating or non-rotating spindle
ACCURACY AND LONG-LIFE FEATURES • Rigid one-piece frame of drop forged steel
• Extremely hard and stable one-piece spindle (the heart of our accuracy)
• Quick and easy adjustment • Starrett workmanship
• This tool is accurate to ±.00015" or ± 0.003mm measuring over the whole surface and ±.0002" or ±0.004mm measuring on the edges