For CNC Machines
These new adjustable boring bars from Criterion are especially suited to CNC lathes or mills. Precise adjustments are easily made while the tool is in the machine or when pre-setting in a tool block. Each graduation on the dial screw moves the insert .002 on the bore. The dial screws in these bars are direct reading.
8 Sizes
These practical bars are available in diameters from 5/8" to 1-1/4" and in lengths from 5-1/4" to 10-15/16". Four bars cover a boring range of 3/4" to 2-3/8". The bars have four flats as shown in the line drawing below. This design allows rigid clamping in either a tool post holder or a round hole holder.
Carbide Inserts
The carbide inserts are industry standards and may be purchased in C-2 and C-6 grades from your local Criterion distributor.
Unique Design
The cantilevered dovetail design assures exceptional rigidity even in an off-set position. A top locking screw - easily accessible - firmly secures the insert holder when boring. Our clamping mechanism has been improved using a new wedge design. This design provides a very rigid lock even with the heaviest of cuts.
| CODE NO. |
TOOL |
A BAR DIA. |
B OVERALL LENGTH |
C* MIN. BORE DIA. |
D* MAX. BORE DIA. |
INSERT I.C. |
INSERT STYLE | INSERT SCREW |
SCREW WRENCH |
|---|---|---|---|---|---|---|---|---|---|
| 20441 | MD-625TX | .625" | 5.25" | .710" | .960" | .250 | TPGT/TPGW | SN-116TX | T-7 |
| 20439 | MD-750TX | .750" | 6.31" | .890" | 1.280" | .375 | TPGT/TPGW | SN-100TX | T-20 |
| 20443 | MD-1000TX | 1.000" | 8.25" | 1.130" | 1.650" | .375 | TPGT/TPGW | SN-100TX | T-20 |
| 20445 | MD-1250TX | 1.250" | 10.31" | 1.400" | 2.370" | .375 | TPGT/TPGW | SN-100TX | T-20 |
| 20451 | MD-625CX/DI | .625" | 5.25" | .700" | .960" | .250 | CP or CC | SN-89TX | T-7 |
| 20453 | MD-750CX/DI | .750" | 6.31" | .850" | 1.200" | .375 | CP or CC | SN-09TX | T-15 |
| 20455 | MD-1000CX/DI | 1.000" | 8.25" | 1.100" | 1.670" | .375 | CP or CC | SN-09TX | T-15 |
| 20457 | MD-1250CX/DI | 1.250" | 10.31" | 1.370" | 2.330" | .375 | CP or CC | SN-09TX | T-15 |
*Boring Ranges are determined by tool revolving around its own center.
Our new CFX boring bars take 80º diamond inserts. The inserts are chip-controlled style CPMT or CCMT. The CPMT style is for bars that take .250 or .375 I.C. inserts. The CCMT style is for the CFX-1500 bar that takes .500 I.C. inserts. The TFX boring bars are designed to accept either a flat top (TPGW) or a chip controlled (TPGT) insert. Both of these styles of bars are equally effective for internal bores as well as O.D. turning. The offset head permits an easy disposal of chips and a more that adequate coolant flow. The bars have ground shank diameters for use in round holders and four flats for use on a flat surface - such as a turret-post holder. When held in a round holder their 3-point contact assures solid clamping and maximum holding power. In addition, the set screw flats orient the cutting edge on the exact centerline of the bar.
Ask your distributor to show you both of these families of bars as well as our complete line of machine tool accessories.
| CODE NO. | TOOL NO. | ØA | B | C | ØD | E | INSERT I.C. | INSERT SCREW | SCREW WRENCH |
| 10241 | CFX-500 | 0.500 | 6.00 | 0.38 | 0.75 | 0.43 | .250 | SN-89TX | T-7 |
| 10242 | CFX-750 | 0.750 | 8.00 | 0.50 | 1.00 | 0.66 | .375 | SN-59TX | T-15 |
| 10243 | CFX-1000 | 1.000 | 10.00 | 0.69 | 1.38 | 0.88 | .375 | SN-59TX | T-15 |
| 10424 | CFX-1500 | 1.500 | 10.60 | 0.88 | 1.76 | 1.31 | .500 | SN-119TX | T-15 |
Click here for CFX insert specifications
| CODE NO. |
TOOL NO. |
A | B | C | D | E | INSERT I.C. |
INSERT SCREW |
SCREW WRENCH |
|---|---|---|---|---|---|---|---|---|---|
| 10240 | TFX-500 | 0.500 | 6.00 | 0.37 | .75 | 0.44 | .250 | SN-116TX | T-7 |
| 10239 | TFX-750 | 0.750 | 8.00 | 0.50 | 1.00 | 0.66 | .375 | SN-100TX | T-20 |
| 10237 | TFX-1000 | 1.000 | 10.00 | 0.69 | 1.38 | 0.88 | .375 | SN-100TX | T-20 |
Click Here for TFX Insert Specifications