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end MeAsurInG rods And stAndArds

234 end MeAsurInG rods WItH 234 End Measuring Rods 234M End Measuring Rods
spHerIcAl ends With Insulating Handle With Insulating Handle
Cat. No. EDP Length Cat. No. EDP Length
1-24"/25-600MM 234A-1 50969 1" 234MA-25 50970 25mm
234A-2 50971 2" 234MA-50 50972 50mm
These rods or "standards" are for checking and setting micrometers 234A-3 50973 3" 234MA-75 50974 75mm
of 2" capacity and larger, and are also used on machine tools for 234A-4 50975 4" 234MA-100 50976 100mm
comparing gages, checking precision measuring tools, for measuring 234A-5 50977 5" 234MA-125 50978 125mm
parallel surfaces, and many other types of work. 234A-6 50979 6" 234MA-150 50980 150mm
234A-7 50981 7" 234MA-175 50982 175mm
MicroMeters Available plain or with insulated handles to minimize expansion by 234A-9 50985 9" 234MA-225 50986 225mm
They are made of special tool steel in rod form with ends hardened
8"
234A-8
50983
234MA-200 50984
200mm
and accurately lapped to a spherical radius.
234A-10
234MA-250 50988
250mm
50987
10"
275mm
234A-11
11"
234MA-275 50990
50989
heat when held in the hand. 1-6" (25-150mm) sizes are 1/4" (6.3mm)
50991
12"
234A-12
300mm
234MA-300 50992
234A-13
diameter; 7-11" (175-275mm) sizes, 3/8" (9.5mm) diameter; 12-24"
234A-14
350mm
50995
14"
234MA-350 50996
(300-600mm) sizes are 7/16" (11mm) diameter.
375mm
15"
234MA-375 50998
234A-15 50993 13" 234MA-325 50994 325mm
50997
NOTE: These standards are the ones used for all micrometers 234A-16 50999 16" 234MA-400 51000 400mm
furnished with standards. Larger sizes available on special order. 234A-17 51001 17" 234MA-425 51002 425mm
234A-18 51003 18" 234MA-450 51004 450mm
234A-19 51005 19" 234MA-475 51006 475mm
234A-20 51007 20" 234MA-500 51008 500mm
234A-21 51009 21" 234MA-525 51010 525mm
234A-22 51011 22" 234MA-550 51012 550mm
234A-23 51013 23" 234MA-575 51014 575mm
234A-24 51015 24" 234MA-600 51016 600mm
Standards for S436.1 and S436 Micrometer Sets With SLC
Cat. No. EDP Cat. No. EDP Description
S234C 50852 Set of two standards only
S234D 51897 Set of three standards only
S234E 50860 S234E W/SLC 66878 Set of five standards only
S234G 51929 S234G W/SLC 66877 Set of eleven standards only
S234F 51917 S234F W/SLC 66879 Set of six standards only
S234J 64146 Set of twelve standards only
Standards for S436.1M and S436M Micrometer Sets
Cat. No. EDP Description
S234MC 51893 Set of two standards only
S234MD 51901 Set of three standards only
S234ME 51913 Set of five standards only
S234MF 51925 Set of six standards only
S234MG 51937 Set of eleven standards only
S234MJ 64467 Set of twelve standards only
234A-2
234A-6

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