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3.15 OAW BH
TCH AL
Aluminum Twin Cutter
Heads for Rough and Fine
Boring Operations, Diameter SS BD DCONMS H5 CXT DCN-DCX ITS BORE
Range 7.87-47.24" DBC

Designation DCN (1) DCX (2) BD DCONMS DBC SS OAW CXT BH CSP (3) RPMX (4) Lbs
TCH AL200 7.874 23.701 7.638 1.575 2.626 80 - - 2.126 1 700 7.06
TCH AL300 11.811 27.638 11.339 1.575 2.626 80 - - 2.126 1 400 8.60
TCH AL400 15.748 31.575 15.512 1.575 2.626 80 - 1/4GAS 2.402 0 300 15.21
TCH AL500 19.685 35.512 19.449 2.362 4.000 80,110 5.039 1/4GAS 2.717 0 200 19.18
TCH AL600 23.622 39.449 23.386 2.362 4.000 80,110 5.039 1/4GAS 2.795 0 200 18.39
TCH AL700 27.559 43.386 27.323 2.362 4.000 80,110 5.039 1/4GAS 2.913 0 200 18.39
TCH AL800 31.496 47.323 31.260 2.362 4.000 80,110 5.039 1/4GAS 3.150 0 150 33.52
• Aluminum body, with steel serrated seats • The "O" position on the counterweight balances the BHF boring head for .787" boring diameter position. For every .394" change
in boring diameter, move the counterweight by 1 measurement mark • Verify that the weight of the entire tool assembly does not exceed the machine spindle's carrying
capability • For spare parts, see pages 509-510, 547
(1) Cutting diameter minimum
(2) Cutting diameter maximum
(3) 0 - Without coolant supply, 1 - With coolant supply
(4) Maximum RPM
For tools, see pages: IHBR (479) • IHCR (478) • IHPR (479) • IHSR (478) • IHSR-BW (480)

Spare Parts
Designation
TCH AL200 BH TCH NUT A BH TCH NUT B BH TCH NUT C SR M12X40DIN912 SR M12X35DIN912 SR M8X25DIN912
TCH AL300 SR M8X40 DIN915 BH TCH NUT A BH TCH NUT B BH TCH NUT C SR M12X40DIN912 SR M12X35DIN912 SR M8X25DIN912
BH SERRATED
TCH AL400 SR M8X40 DIN915 BH TCH NUT A BH TCH NUT B BH TCH NUT C SR M12X40DIN912 SR M12X35DIN912 PLATE 400-700 SR M8X40 DIN915
SR M16X50 BH SERRATED
TCH AL500 BH TCH NUT A BH TCH NUT B BH TCH NUT C SR M12X40DIN912 SR M8X25DIN912 SR M8X40 DIN915
DIN912 PLATE 400-700
TCH AL600 BH SERRATED SR M8X40 DIN915 BH TCH NUT A BH TCH NUT B BH TCH NUT C SR M12X40DIN912 SR M16X50 SR M8X25DIN912 SR M8X40 DIN915
PLATE 400-700 DIN912
BH SERRATED SR M16X50
TCH AL700 PLATE 400-700 SR M8X40 DIN915 BH TCH NUT A BH TCH NUT B BH TCH NUT C SR M12X40DIN912 DIN912 SR M8X25DIN912 SR M8X40 DIN915
BH SERRATED SR M16X50
TCH AL800 SR M8X40 DIN915 BH TCH NUT A BH TCH NUT B BH TCH NUT C SR M12X40DIN912 SR M8X25DIN912 SR M8X40 DIN915
PLATE 400-700 DIN912

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