363 Digit al Micrometer Heads 0-1"/0-25MM Readability Fea tures • Clear, easily read numbers reduce errors • No-glare black finish on the frame • Starrett no-glare satin chrome finish on thimble and sleeve • .001" or 0.01mm is read directly from the counter • Reverse reading, if needed Ease-of-Handling Fea tures • Ring-type knurled lock nut for quick and sure locking • Choice of smooth friction thimble for uniform pressure or combination ratchet and speeder for uniform pressure and quicker adjustment Accuracy and Long-Life Fea tures • Extremelyhardandstableone-piecespindle(theheartofouraccuracy) 63 Long Range Micrometer Heads 0-2"/0-50MM When long spindle travel is required, the 63 Micrometer heads provide a range that will handle most applications, such as in electronic equipment, machine tools, special gages, tooling, etc. • With or without ring-type lock nut for quick and sure locking • With or without the combination ratchet and speeder for uniform pressure and quicker adjustment Micrometer Heads ( ) 1/2" (13) 3/8" (9.5) 5/8" (16) 1-1/4" (32) 3/4" (19.0) 9/16" (14) 5-7/8" (149) 59/64" (23.4) 23/32" (18) 2-11-64" (55) .250" (6.35) .4449" .4999" 363RL (0-1") and 363MRL (0-25mm) dimensions 12.000 12.700 (+.000) (-.007) ( ) 6-1/8" (156) 2-1/4" (57) 3-1/16" (78) 3/4" (19) 5/8" (16) 5/8" (16) .235" (5.97) .4999" .4994" 12.000 12.700 (+.000) (-.007) 63P (0-2") and 63MP (0-50mm) dimensions ( ) 6-29/32" (175) 3-9/32" (83) 2-1/4" (57) .235" (5.97) 3/4" (19) 5/8" (16) 5/8" (16) 13/32" (10) .4999" .4994" 12.000 12.700 (+.000) (-.007) 63RL (0-2") and 63MRL (0-50mm) dimensions 363RL 63L 363 Digital Micrometer Heads (0-1" Range) Cat. No. EDP Graduation 363L 56297 .001" 363RL 56298 363FL 56299 RV363RL 57072 363M Digital Micrometer Heads (0-25mm Range) Cat. No. EDP Graduation 363ML* 56302 0.01mm 363MRL* 56303 363MFL* 56304 *Specify clamping diameter (12 or 12.7mm). 12.7mm sent unless otherwise ordered. 63 Micrometer Heads (0-2" Range) Cat. No. EDP Graduation 63P 50305 .001" 63L 50306 .001" 63RL 50307 .001" T63P 50308 .0001" T63RL 50309 .0001" 63M Micrometer Heads (0-50mm Range) Cat. No. EDP Graduation 63MRL* 55939 0.01mm V63MRL* 64343 0.002mm *0-25mm models specify clamping diameter 12mm or 12.7mm.12.7mm sent unless otherwise ordered. 69 starrett.com M icrometers