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Fig. 1 Fig. 2
(a) SS
CATI-MB
MB Modular Boring System CRKS DCONWS
Connections with Caterpillar BD
AD Form Tapered Shanks ITS BORE
LB
LPR (a) Cutting edge position
Designation SS DCONWS LPR LB BD CRKS Fig. Lbs
CATI 40 MB50 40 50.0000 2.600 1.850 - 5/8-11 1. 2.43 HW 6.0
CATI 40 MB50X4.724 40 50.0000 4.724 3.976 1.970 5/8-11 2. 3.75 HW 6.0
CATI 40 MB63 40 63.0000 3.937 - - 5/8-11 1. 4.19 HW 8.0
CATI 45 MB50 45 50.0000 1.890 1.140 - 3/4-10 1. 3.75 HW 6.0
CATI 50 MB50 50 50.0000 1.890 1.142 - 1-8 1. 5.29 HW 6.0
CATI 50 MB50X4.724 50 50.0000 4.724 3.976 2.756 1-8 2. 9.06 HW 6.0
CATI 50 MB63 50 63.0000 2.205 1.453 - 1-8 1. 6.39 HW 8.0
CATI 50 MB63X5.906 50 63.0000 5.906 5.157 2.756 1-8 2. 11.03 HW 8.0
CATI 50 MB80 50 80.0000 2.441 1.693 - 1-8 1. 7.06 HW 8.0
CATI 50 MB80X7.087 50 80.0000 7.087 6.339 3.150 1-8 2. 15.21 HW 8.0
Assembly
Fine Boring Head Diameter Range .10-35.40” Reference
0 .5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 20 Page
BHFI MB50-32X60 BL .10-.47 495
BHFI MB50-50X68 BL .24-.87 495
BHFI MB16-16x34 .71-.91 497
BHFI MB20-20x40 .87-1.14 497
BHFI MB25-25x50 1.10-1.50 497
BHFI MB32-32x63 1.40-1.97 497
BHFI MB40-40x80 1.89-2.48 497
BHFI MB50-50x60 .16-4.25 501
BHFI MB50-63x87 .10-6.30 501
BHFI MB63-63x87 .10-6.30 501
BHFI MB50-80x94 .10-8.66 501
BHFI MB80-80x94 501
BHFI MB80-125x114 1.42-19.69 501
6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42
TCH AL200 7.87-11.81 511
TCH AL300 11.81-15.75 511
TCH AL400 15.75-19.69 511
TCH AL500 19.69-23.62 511
TCH AL600 23.62-27.56 511
TCH AL700 27.56-31.50 511
TCH AL800 31.50-35.40 511
Note: TCH AL should be used with BHFI L8.000 or with BHD 50 L200 for fine boring applications.
BHFI Fine Boring Heads
High precision machining to a close tolerance with high surface quality.
These heads enable a fine diametric adjustment as small as .00008” with a direct reading.
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