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FLEXBAR TRIGA-BORE^TM/TRUE-BORE

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.

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.

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 pistol grip Triga-Bore to

cover .236"-7.87" (6-200mm range).

· Extensions available for increased gaging depths.

Ergonomically designed pistol style handle

· Accuracy: See chart on page 39.

allows precision self-centered measurements

to be performed.

· Repeatability: .0001"/0.0002mm

· High degree of accuracy can be achieved

without need for special skills.

· Customer can specify type of output.

· 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 on request).

· Triga-Bore system sets covering a range from .236"/6mm to 3.9327"/100mm

are priced on request.

True-Bore lever style handles in use with True-

Bore heads and a variety of indicator options.

GAGE HEADS (II) EXTENSION (III) TRIGA-BORE (I)

INDICATORS (V)

SPECIAL APPLICATION MEASURING HEADS

GROOVE MEASUREMENT:

Precise groove measurements are made easily and

accurately. Application requirements are; groove width

minimum is .060"/1.5mm. Groove depth may not

exceed half the travel range of the True-Bore head.

This dimension is .079"/2mm to .394"/10mm.

THREAD MEASUREMENT:

Inside pitch diameter thread measurement becomes

highly productive. Application requirements are

minimum diameter of .625"/16mm. Any thread form

including specials can be supplied (UN, ACME,

METRIC). Different pitch diameters having the same

pitch can be measured with one head.

BALL SCREW MEASUREMENT:

Inside ball screw diameter measurements are quickly

completed. Application requirements are minimum

diameter of .625"/16mm. Different pitch diameters

with the same pitch can be measured with one head.

SPHERICAL OR IRREGULAR SHAPE MEASUREMENT:

Spherical shaped heads are useful in deep bores

where holding the bore gage straight in the bore is

difficult. The spherical shape allows only a single

contact point per anvil on the bore wall. All special

shaped head applications can be reviewed on request.

All of the above applications and any others are

quoted on request.

Thread Check,Tel:631-231-1515 Fax:631-231-1625 Toll-Free:Tel:800-767-7633 Fax:800-767-2034 www.threadcheck.com Email: info@threadcheck.com

FLEXBAR TRIGA-BORETM SYSTEM

Pistol grip handle for Flexbar 3 Point Bore Gage Systems

Specifications for ordering Handles, Gage Heads and Setting Rings

1. TRIGA-BORETM PISTOL GRIP AND LEVER STYLE BORE GAGE HANDLES*

Pistol grip style handle accepts heads:.236"/6mm -.630"/16mm . . .Model 20308, $330.00

Pistol grip style handle accepts heads:.630"/16mm -7.874"/200mm Model 20309, $330.00

Lever style handle accepts heads: .236"/6mm - .630"/16mm . . . . .Model 20310, $330.00

Lever style handle accepts heads: .630"/16mm - 7.874"/200mm . .Model 20311, $330.00

*All gage handles accept 3/8" indicator stem probes. An 8mm stem bushing is included.

Triga-Bore handle shown with True-Bore Head,

Digital Indicator, and Master Setting Ring.

2. 3-POINT BORE HEADS AND MASTER SETTING RING

(AGD Style Master Rings with calibration)

HEAD SIZE

CONTACT LENGTH HEAD

SETTING

RING

LINE A

B ACCURACY

CLASS Z

STEEL

MODEL

PRICE

SIZE

PRICE

20312

6-8

.236-.315

.109

2.36

.0001

$312.00

.2912

$103.00

3-Point Bore Gage head

20313

8-10

.315-.394

.118

2.36

.0001

420.00

.3437

103.00

dimensions - see chart.

20314

10-13

.394-.511

.157

2.36

.00015

300.00

.4375

107.00

20315

13-16

.511-.630

.157

2.36

.00015

290.00

.5625

109.00

60-70mm

2.36-2.755"

20316

16-20

.630-.787

.280

2.36

.00015

290.00

.7187

109.00

20317

20-26

.787-1.023

.390

2.36

.00015

290.00

.9062

113.00

20318

26-32

1.023-1.260

.390

2.36

.00015

290.00

1.0312

113.00

20319

32-40

1.260-1.575

.433

2.75

.00015

310.00

1.4062

125.00

20320

40-50

1.575-1.968

.591

2.75

.00015

330.00

1.7500

154.00

20321

50-60

1.968-2.362

.591

2.75

.00015

315.00

2.1875

184.00

20322

60-70

2.362-2.756

.591

2.75

.00015

390.00

2.5625

203.50

20323

70-80

2.756-3.150

.591

2.75

.00015

405.00

2.9375

188.00

20324

80-90

3.150-3.543

.591

2.75

.00015

430.00

3.3437

237.00

20325

90-100

3.543-3.937

.591

2.75

.00015

450.00

3.7500

275.00

90m

20326

100-110

3.937-4.330

.767

2.75

.00015

525.00

4.1250

314.00

3.5

20327

110-120

4.330-4.724

.767

2.75

.00015

535.00

4.5625

314.00

20328

120-130

4.724-5.118

.767

2.75

.00015

570.00

4.9062

405.00

20329

130-140

5.118-5.512

.767

2.75

.00015

580.00

5.3125

405.00

20330

140-150

5.512-5.906

.767

2.75

.00015

620.00

5.7187

467.00

60-70mm

2.36-2.755"

20331

150-160

5.906-6.299

.767

2.75

.00015

650.00

6.1093

467.00

20332

160-170

6.299-6.693

.866

2.75

.0002

745.00

6.5000

637.00

20333

170-180

6.693-7.087

.866

2.75

.0002

750.00

6.9062

652.00

210mm (8.2")

20334

180-190

7.087-7.480

.866

2.75

.0002

795.00

7.2912

670.00

20335

190-200

7.480-7.874

.866

2.75

.0002

805.00

7.6875

670.00

Flexbar Lever Style Bore Gage Handles can be

used with the entire range of True-Bore 3-Point

3. EXTENSIONS (for longer depths).

Bore gage Heads. Ideal for use in vertical gaging

applications and tight access situations.

Model

For use with

Length

No.

Gage heads Nos.

inch

Price

20345

20312-20313

100

3.937 $165.00

20346

20314-20315

100

3.937 130.00

20347

20316

100

3.937 130.00

20348

20317

150

5.905 170.00

20349

20318-20335

150

5.905 170.00

Extensions may be combined for longer gaging depths.

Stand, Model 20336

4. ELECTRONIC DIGITAL INDICATORS (with absolute/preset measuring mode).

Available gages include:Flexbar-Preisser Digi-Met Plus....Model 18318, $485.00

5. GAGE STEM EXTENSIONS (For indicators with less than 1" travel)

1/2" length for 1/2" Indicator Travel (4-48 thread)...........Model 17262, $10.00

6. Triga-Bore stand, supports Triga-Bore handle/head when not in use. ...Model 20336, $40.00

Thread Check,Tel:631-231-1515 Fax:631-231-1625 Toll-Free:Tel:800-767-7633 Fax:800-767-2034 www.threadcheck.com Email: info@threadcheck.com