Direct Adjusting Boring Bar

● Patented adjustment mechanism, to push insert directly by wedge and screw after clamped insert.
● The boring diameter is adjusted by pushiing the micrometric adjustment screw after the insert screw has been tightened.
● There is no backlash while adjusting boring diameter.

Inquiry

Screw Fit Boring Head

● Integrated with direct adjustment for fine boring, each division is Ø0.01mm.
● Total adjustment range: 0.2mm
● Extension bar is TiN coated to show the maximum usable boring length.

Nine9 screw fit boring head

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Part No	Insert Size	L	ØD	M
99043-14	CC...060204	25	13.9~14.1	M6XP1.0
99043-15	CC...060204	25	14.9~15.1	M6XP1.0
99043-16	CC...060204	25	15.9~16.1	M8xP1.25
99043-17	CC...060204	25	16.9~17.1	M8xP1.25
99043-18	CC...060204	25	17.9~18.1	M8xP1.25
99043-19	CC...060204	30	18.9~19.1	M8xP1.25
99043-20	CC...060204	30	19.9~20.1	M10xP1.5
99043-21	CC...060204	30	20.9~21.1	M10xP1.5
99043-22	CC...060204	30	21.9~22.1	M10xP1.5
99043-23	CC...060204	30	22.9~23.1	M10xP1.5
99043-24	CC...060204	30	23.9~24.1	M10xP1.5
99043-25	CC...060204	30	24.9~25.1	M10xP1.5

Steel Extension Bar

● Made by steel, hardened, TiN coated range is the maximum boring length.

Steel - Extension bar

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Part No	L	T	ØD	M
99801-12S	75	25	12	M6XP1.0
99801-14S	90	30	14	M8xP1.25
99801-16S	90	35	16	M8xP1.25
99801-18S	100	40	18	M10xP1.5
99801-20S	100	40	20	M10xP1.5
99801-25S	120	50	25	M12xP1.75

Solid Carbide Extension Bar

● Made by solid carbide, TiN coated range is the maximum boring length.

Solid Carbide - Anti-vibration extension bar

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Part No	L	T	ØD	M
99801-12W	100	60	12	M6XP1.0
99801-14W	120	70	14	M8xP1.25
99801-16W	150	80	16	M8xP1.25
99801-18W	150	90	18	M10xP1.5
99801-20W	200	100	20	M10xP1.5
99801-25W	200	125	25	M12xP1.75

Catalog Cutting Data Application Examples