78 Mechanical Bore Gauges

  • BRAND: STARRETT (USA)

 

  • The ground contact points seat the internal micrometer faster and more accurately than the spherical contacts found in other gages.

Individual MetricIndividual Metric

Cat No. Range Resolution Accuracy Meas. Depth Setting Ring Ø
78MXTZ-1.15 1-1.15 mm 0.002 mm 0.003 mm 6 mm 1 mm
78MXTZ-1.3 1.15-1.3 mm 0.002 mm 0.003 mm 6 mm 1.3 mm
78MXTZ-1.5 1.3-1.5 mm 0.002 mm 0.003 mm 6 mm 1.3 mm
78MXTZ-1.75 1.5-1.75 mm 0.002 mm 0.003 mm 8 mm 1.75 mm
78MXTZ-2 1.75-2 mm 0.002 mm 0.003 mm 8 mm 1.75 mm
78MXTZ-2.5 2-2.5 mm 0.005 mm 0.004 mm 9 mm 2.5 mm
78MXTZ-3 2.5-3 mm 0.005 mm 0.004 mm 9 mm 2.5 mm
78MXTZ-4 3-4 mm 0.005 mm 0.004 mm 12 mm 4 mm
78MXTZ-5 4-5 mm 0.005 mm 0.004 mm 18 mm 4 mm
78MXTZ-6 5-6 mm 0.005 mm 0.004 mm 18 mm 5 mm
78MXTZ-8 6-8 mm 0.005 mm 0.004 mm 58 mm 8 mm
78MXTZ-10 8-10 mm 0.005 mm 0.004 mm 58 mm 8 mm
78MXTZ-12.5 10-12.5 mm 0.005 mm 0.004 mm 58 mm 12.5 mm
78MXTZ-16 12.5-16 mm 0.005 mm 0.004 mm 62 mm 12.5 mm
78MXTZ-20 16-20 mm 0.005 mm 0.004 mm 62 mm 20 mm
78MXTZ-25 20-25 mm 0.005 mm 0.004 mm 66 mm 20 mm
78MXTZ-35 25-35 mm 0.005 mm 0.004 mm 66 mm 35 mm
78MXTZ-50 35-50 mm 0.005 mm 0.004 mm 80 mm 35 mm
78MXTZ-65 50-65 mm 0.005 mm 0.005 mm 80 mm

65 mm

78MXTZ-80 65-80 mm 0.005 mm 0.005 mm 80 mm

65 mm

78MXTZ-100 80-100 mm 0.005 mm 0.005 mm 100 mm 80 mm
78MXTZ-125 100-125 mm 0.005 mm 0.006 mm 115 mm 125 mm
78MXTZ-150 125-150 mm 0.005 mm 0.006 mm 115 mm 125 mm
78MXTZ-175 150-175 mm 0.005 mm 0.007 mm 115 mm 175 mm
78MXTZ-200 175-200 mm 0.005 mm 0.007 mm 115 mm 175 mm
78MXTZ-225 200-225 mm 0.005 mm 0.008 mm 118 mm 225 mm
78MXTZ-250 225-250 mm 0.005 mm 0.008 mm 118 mm 225 mm
78MXTZ-275 250-275 mm 0.005 mm 0.009 mm 118 mm 275 mm
78MXTZ-300 275-300 mm 0.005 mm 0.009 mm 118 mm 275 mm

 

Set Metric

Cat No. Range Resolution Accuracy No of heads No of rings
S78MXTAZ 2-3 mm 0.002 mm 0.003 mm 2 1
S78MXTBZ 3-6 mm 0.002 mm 0.004 mm 3 2
S78MXTCZ 6-10 mm 0.005 mm 0.004 mm 2 1
S78MXTDZ 10-20 mm 0.005 mm 0.004 mm 3 2
S78MXTEZ 20-50 mm 0.005 mm 0.004 mm 3 2
S78MXTFZ 50-100 mm 0.005 mm 0.004 mm 3 2

 

Individual Inch

Cat No . Range Resolution Accuracy Measuring Depth Setting Ring dia.
78XTZ-100 .080-.100” 0.0001” .00010” 3/8” .100”
78XTZ-120 .100-.120” 0.0001” .00010” 3/8” .100”
78XTZ-160 .120-.160” 0.0001” .00010” 15/32” .160”
78XTZ-200 .160-.200” 0.0001” .00010” 3/4” .160”
78XTZ-250 .200-.250” 0.0001” .00010” 3/4” .200”
78XTZ-312 1/4-5/16” 0.00025” .00015” 2-1/4” 3125”
78XTZ-375 5/16-3/8” 0.00025” .00015” 2-1/4” 3125”
78XTZ-500 3/8-1/2” 0.00025” .00015” 2-1/4” .500”
78XTZ-625 1/2-5/8” 0.00025” .00015” 2-7/16” .500”
78XTZ-750 5/8-3/4” 0.00025” .00015” 2-7/16” .750”
78XTZ-1 3/4-1” 0.00025” .00015” 2-5/8” .750”
78XTZ-138 1-1-3/8” 0.00025” .00015” 2-5/8” 1.375”
78XTZ-2 1-3/8-2” 0.00025” .00015” 3-1/16” 1.375”
78XTZ-258 2-2-5/8” 0.00025” .00020” 3-1/16” 2.625”
78XTZ-314 2-5/8-3-1/4” 0.00025” .00020” 3-1/16” 2.625”
78XTZ-4 3-1/4-4” 0.00025” .00020” 4” 3.250”
78XTZ-5 4-5” 0.00025” .00025” 4” 5.0”
78XTZ-6 5-6” 0.00025” .00025” 4-1/2” 5.0”
78XTZ-7 6-7” 0.00025” .00030” 4-1/2” 7.0”
78XTZ-8 7-8” 0.00025” .00030” 4-1/2” 7.0”
78XTZ-9 8-9” 0.00025” .00030” 4-1/2” 9.0”
78XTZ-10 9-10” 0.00025” .00030” 4-5/8” 9.0”
78XTZ-11 10-11” 0.00025” .00035” 4-5/8” 11.0”
78XTZ-12 11-12” 0.00025” .00035” 4-5/8” 11.0”

 

Cat No. Range Resolution Accuracy No of heads No of rings
S78XTBZ 0.12-0.25” 0.00025” 0.00025” 3 2
S78XTCZ 1/4”-3/8” 0.00025” 0.00025” 3 1
S78XTDZ 3/8-3/4” 0.00025” 0.00025” 3 2
S78XTEZ 3/4”-2” 0.00025” 0.00025” 3 2
S78XTFZ 2-4” 0.00025” 0.00025” 3 2

 

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