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Home  Inspection
Measurement Triga-Bore™ |
The Flexbar Triga-Bore™ |
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3-POINT
BORE GAGING SYSTEM...
For the accurate and precise
measurement of internal diameters.
MEASURING RANGE: .236"/6mm to 7.87"/200mm
Premium Quality • Made in England |
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Ergonomically designed pistol style handle allows
precise self-centered measurements to be performed
Shown Above:
True-Bore Lever Style Handles in use with True-Bore
gage heads and a variety of indicator options.
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True-Bore is the result of
over 25 years of design and manufacture of 3-point bore
gaging systems. Ideal for solving internal diameter measurement
problems on the shop floor and inspection areas, the system
is available in a large measuring range for specific applications.
Mechanical and electronic dial gages as well as linear
probes can be used as specified.
Main Features:
- True-Bore heads have a large measuring range and
are supplied with fixed anvils eliminating operator
error. 24 heads cover .236"-7.87" (6-200mm
range).
- Unique System design allows two measuring handles
or pisto lgrip Triga-Bore™ to cover .236"-7.87"
(6-200mm range).
- Extensions available for increased gaging depths.
- Accuracy: See chart on page 139.
- Repeatability: .0001"/0,002mm.
- High degree of accuracy can be achieved without
need for special skills.
- Customer can specify type of output.
- Ideally suited to simple or integrated measurement
applications.
- Can be used for special applications such as threads
'o' ring grooves, spherical forms, etc.
- Ergonomically designed handle offers single handed
operation.
- Accurate calibration and linearity checks can also
be made using Flexbar's True-Cal System (Available
upon request).
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Pistol Grip Style Handle for
Flexbar 3 Point Bore Gage Systems
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| Triga-Bore™
Handle shown with True-BoreHead, Digital Indicator,
and Master Setting Ring |
Above: 3-Point Bore
Gage Head dimensions - see below |
Flexbar Lever Style
Bore Gage Handles can be used with the entire
range of True-Bore 3-Point Bore Gage Heads. Ideal
for use in vertical gaging applications and tight
access situations. |
*TRIGA-BORE
ACCEPTS INDICATOR WITH 3/8” DIAMETER OR 8MM
DIAMETER (WITH BUSHING INCLUDED) OPERATES WITH
INDICATORS HAVING 1” TRAVEL (IF LESS THAN 1”
TRAVEL SEE BELOW |
Specifications
for Ordering Handles, Gage Heads and Setting
Rings
I. TRIGA-BORE™ PISTOL GRIP AND LEVER STYLE BORE
GAGE HANDLES* |
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Model No.
20308,
Pistol Grip Style Handle accepts heads: .236"/6mm
- .630"/16mm
Model No. 20309,
Pistol Grip Style Handle accepts heads: .630"/16mm
- 7.874"/200mm
Model No. 20310,
Lever Style Handle accepts heads: .236”/6mm -
.630”/16mm
Model No. 20311,
Lever Style Handle accepts heads: .630”/16mm -
7.874”/200mm |
| II. 3-POINT BORE GAGE HEADS
AND MASTER SETTING RING** |
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| Model
No. |
Head
Size |
Contact
Line A |
Length
B |
Head
Accuracy |
Master
Setting Ring***
Bilateral Class Z Steel |
| MM |
IN |
IN |
IN |
IN |
Model
No. |
Size
Inch |
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6-8
8-10
10-13
13-16
16-20
20-26
26-32
32-40
40-50
50-60
60-70
70-80
80-90
90-100
100-110
110-120
120-130
130-140
140-150
150-160
160-170
170-180
180-190
190-200 |
.236-.315
.315-.394
.394-.511
.511-.630
.630-.787
.787-1.023
1.023-1.260
1.260-1.575
1.575-1.968
1.968-2.362
2.362-2.756
2.756-3.150
3.150-3.543
3.543-3.937
3.937-4.330
4.330-4.724
4.724-5.118
5.118-5.512
5.512-5.906
5.906-6.299
6.299-6.693
6.693-7.087
7.087-7.480
7.480-7.874 |
.109
.118
.157
.157
.280
.390
.390
.433
.591
.591
.591
.591
.591
.591
.767
.767
.767
.767
.767
.767
.866
.866
.866
.866 |
2.36
2.36
2.36
2.36
2.36
2.36
2.36
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75 |
.0001
.0001
.00015
.00015
.00015
.00015
.00015
.00015
.00015
.00015
.00015
.00015
.00015
.00015
.00015
.00015
.00015
.00015
.00015
.00015
.0002
.0002
.0002
.0002 |
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.2912
.3437
.4375
.5625
.7187
.9062
1.0312
1.4062
1.7500
2.1875
2.5625
2.9375
3.3437
3.7500
4.1250
4.5625
4.9062
5.3125
5.7187
6.1093
6.5000
6.9062
7.2912
7.6875 |
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| III. EXTENSIONS (for longer
depths) |
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Model No. |
For Use with
Gage Head Nos. |
Length
(mm) |
Length
(inch) |
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20312-20313
20314-20315
20316
20317
20318-20335 |
100
100
100
150
150 |
3.937
3.937
3.937
5.905
5.905 |
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Extensions may be combined
for longer gaging depths.
IV.
ELECTRONIC DIGITAL INDICATORS (with Absolute/Preset
measuring mode)
Available Gages Include: Model
No. 18318,
Flexbar-Preisser Digi-Met Plus
V.
GAGE STEM EXTENSIONS (For indicators with
less than 1” travel Model No. 17262,
1/2” length for 1/2” Indicator Travel (4-48
thread)
VI. Triga-Bore Stand,
supports Triga-Bore handle/head when not
in use. Model No. 20336
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The Flexbar Triga-Bore™
System Sets |
Sets available covering
a measuring range:
.236”/6mm to 3.9327”/100mm
- Easy to Use
- Interchangeable/Economical Heads
- Self Centering Operation
- Ordering as easy as 1,2,3
(see below)
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Now Available in Complete
Sets...
with or without indicator*
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*Standard DIGI-MET®
Electronic Indicator No. 18318 Features: |
| Sets include:
- Appropriate range of True-Bore 3-Point Bore
Gage Heads – Self Centering with Fixed Anvils.
- Triga-Bore Pistol Grip Handle – accepts indicators
with 3/8” dia. stem or 8mm dia. (with included
bushing).
- Appropriate setting rings with Certificate
of Calibration
- to N.I.S.T.
- Special stand for holding Pistol Grip.
- Fitted hard plastic carrying case.
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- Resolution: .00005”/0.001mm
- Preset Capability
- Accuracy: .00015”/0.002mm
- Preset Recall
- True inch/metric conversion
- Bidirectional RS232 Output
- Min/Max/TIR Modes
- Tolerance Signal Lights
**Optional DIGI-MET ®
Multi-Mode Indicator No. 18515 also includes:
ABOVE
INDICATORS INCLUDE FREE CERTIFICATE OF CALIBRATION
TRACEABLE TO N.I.S.T.
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COMPLETE
TRIGA-BORE/TRUE-BORE SETS INCLUDE: |
Measuring
Range |
Contents
of Set |
Set
Without Indicator |
Sets
w/Standard DIGI-MET Indicator |
Inch |
Metric |
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Model
No. |
Model
No. |
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.236-.630”
.630-1.575”
1.575-2.362”
2.362-3.150”
3.150-3.937” |
6-16mm
16-40mm
40-60mm
60-80mm
80-100mm |
Triga-Bore Pistol
Grip, 4 Heads, 2 Rings
Triga-Bore Pistol Grip, 4 Heads, 2 Rings
Triga-Bore Pistol Grip, 2 Heads, 1 Ring
Triga-Bore Pistol Grip, 2 Heads, 1 Ring
Triga-Bore Pistol Grip, 2 Heads, 1 Ring |
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Model No. |
For Use with
Gage |
Head Sizes |
Extension Length
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.236-.394”
.394-.630”
.630-.787”
.787-1.575”
1.575-7.874” |
6-10mm
10-16mm
16-20mm
20-40mm
40-200mm |
3.937"
3.937"
3.937"
5.905"
5.905" |
LARGER DIAMETER BORE
GAGE SETS up to 7.87”/200mm also available. Phone
or Fax for pricing. |
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Inspection Measurement 
