78XTZ-1 Starrett Internal Micrometer Bore Gage 3/4*-1*
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78XTZ-1 Starrett Internal Micrometer Bore Gage 3/4*-1*

Code: 78XTZ-1
$818.03
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Product Description

•••••

78XTZ-1
Starrett Bore Gage
3/4-1" range

The 78XT Series Internal Micrometers feature extended travel, reducing the need to exchange
anvils . The ground contact points seat the internal micrometer faster and more accurately
than the spherical contacts found in other gages . These rugged and accurate internal micrometers
are available individually or in economical sets from .040-12" (1-300mm) .

Features

  • Wide measurement range without changing anvils
  • Resolution from .0001" (0 .0025mm) on the 2-point contact tools ranging up to 1/4" (6mm) and .00025" (0 .005mm) on the 3-point contact tools ranging from 1/4"-12" (6mm - 300mm)
  • Tungsten carbide measuring faces on all 3-point heads above 1/2" (12 .5mm)
  • Ratchet stop ensures consistent measurements
  • Self-centering contacts for true readings
  • Blind bore measuring capability above 1/2" (12 .5mm) diameter
  • Extensions available up to 6" (150mm) for deep hole measuring
  • Setting rings included
  • Depth stop/collar also available for .080"- .250" (1-6mm) range
  • Each micrometer bore gage is furnished in a case, complete with setting ring,
    contacts, wrenches, and instructions
78XT Bore Gages, 2-Point Contact ( .080- .250" Range)
Catalog No
Range
Accuracy
Approximate Measuring Depth
Setting Ring Diameter
Inches
Inches
Inches
Inches
78XTZ-100
.080- .100
.00010"
3/8
.100
78XTZ-120
.100- .120
78XTZ-160
.120- .160
15/32
.160
78XTZ-200
.160- .200
3/4
.160
78XTZ-250
.200- .250
.200
78XT Bore Gages, 3-Point Contact (1/4-12" Range)
78XTZ-312
1/4 – 5/16
.00015"
2-1/4
.3125
78XTZ-375
5/16 – 3/8
.3125
78XTZ-500
3/8 – 1/2
.500
78XTZ-625
1/2 – 5/8
2-7/16
.500
78XTZ-750
5/8 – 3/4
.750
78XTZ-1
3/4 – 1
2-5/8
.750
78XTZ-138
1 – 1-3/8
1 .375
78XTZ-2
1-3/8 – 2
3-1/16
1 .375
78XTZ-258
2 – 2-5/8
.00020"
2 .625
78XTZ-314

2-5/8 –

3-1/4
78XTZ-4
3-1/4 – 4
4
3 .250
78XTZ-5
4-5
.00025"
5 .0
78XTZ-6
5-6
4-1/2
5 .0
78XTZ-7
6-7
.00030"
7 .0
78XTZ-8
7-8
7 .0
78XTZ-9
8-9
9 .0
78XTZ-10
9-10
"4-5/8
9 .0
78XTZ-11
10-11
.00025"
"4-5/8
11 .0
78XTZ-12
11-12
78XT Sets, 2-Point Contact ( .250" Range)
Catalog No
Range
No . of Heads
No . of Rings
S78XTBZ
.120- .250"
3
2
78XT Sets, 3-Point Contact (1/4-4" Range)
S78XTCZ
1/4-3/8"
2
1
S78XTDZ
3/8-3/4"
3
2
S78XTEZ
3/4-2"
3
2
S78XTFZ
2-4"
3
2

 

 

 

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