Triga-Bore™

High Accuracy Three-point Bore Diameter
Measurement Tool

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

  • Triga-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 handles to accommodate the entire range of 24 heads.
  • Extensions available for increased gaging depths
  • Repeatability: 0.0001" / 0.002mm
  • High degree of accuracy can be achieved without need for special skills
  • Customer can use digital or dial indicators, measuring probes, or choose other outputs.
  • 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 Calibrated Ring Gages.

Special application measuring heads produced by Flexbar per customer requirements. 

Pistol Grip and Lever Style Handles for Flexbar 3-Point Bore Gage Systems

Groove Measurements

Thread & Ball Screw Thread Measurement

Available in two or three point thread measurement heads according to application 

Groove/”O” Ring Groove Measurements

Groove/”O” Ring Groove Measurements 

Precise groove measurements are made easily and accurately. Application requirements are groove width minimum of .060” (1.5mm). Groove depth may not exceed half the travel range of the True-Bore head. 

Spherical or Deep Bore Measurements

Groove/”O” Ring Groove Measurements 

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. 

Flexbar Triga-BoreSets

Available with or without indicators

Set Features: 

• Appropriate range of Triga-Bore 3-Point Bore Gage heads. 

• Triga-Bore Pistol Grip Handle - accepts indicators with ⅜” 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  

TRIGA-BORE STARTER SYSTEM SETS (Includes Pistol Grip, 1 Head, Stand and Case)

INCH (Measurement Range) MM (Measurement Range) SET WITHOUT INDICATOR SETS W/15835 BLUETOOTH INCH MM INDICATOR

.236-315

6-8

.315-.394

8-10

.394-.511

10-13

.511-.630

13-16

.630-.787

16-20

.787-1.023

20-26

1.023-1.260

26-32

1.260-1.575

32-40

1.575-1.968

40-50

1.968-2.362

50-60

2.362-2.756

60-70

TRIGA-BORE SYSTEM SETS

INCH (Range) MM (Range) CONTENTS OF SET SET WITHOUT INDICATOR SETS W/STANDARD DIGI-MET INDICATOR

.236-630

6-16

Pistol Grip, 4 Heads, 2 Rings

.630-1.575

16-40

Pistol Grip, 4 Heads, 2 Rings

1.575-2.362

40-60

Pistol Grip, 2 Heads, 1 Ring

2.362-3.150

60-80

Pistol Grip, 2 Heads, 1 Ring

3.150-3.937

80-100

Pistol Grip, 2 Heads, 1 Ring

Full range of kits and accessories below

Thread Measurement
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Thread Measurement

Available in two or three point thread measurement heads according to application.

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