Boring bar

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A boring bar is used in numerical control lathes for various manufacturing processes. LONNZ can provide you with all kinds of boring bars, including a double clamp boring bar, steel shank boring bar, carbide shank boring bar, through coolant boring bar, lever lock and screw clamp boring bar and so on. What’s more, the boring bar can be used to clamp all kinds of ISO turning inserts. If you need drilling tools which can drill deeply, the boring bar made of hard metals will suit you exactly because it can drill deep holes up to five times of the diameter.

Parameters

Model	Dimensions (mm)						Min. cutting diameter D1(mm)	Standard Corner Radius Re	Recommended l/d ratio
Model	D4	L1	L2	F1	H1	RR°	Min. cutting diameter D1(mm)	Standard Corner Radius Re	Recommended l/d ratio
95 degree carbide Boring bar	8	125	18	5	7.2	12	10	0.4	-3
	10	150	22.5	6	9	5	12	0.4	-3.5
	12	150	27	7	11	4	14	0.4	-4
	12	150	30	8	11	4	16	0.4	-4
	16	180	36	9	15	3.5	18	0.4	-5
	20	220	45	11	19	2	22	0.4	-5
	25	250	56.3	15	23.4	0	30	0.4	-5
93 degree carbide Boring bar	8	125	18	5	7.2	10	10	0.4	-3
	10	150	22.5	6	9	8	12	0.4	-3.5
	12	150	27	7	11	7	14	0.4	-4
	10	150	22.5	6	9	8	12	0.4	-3.5
	12	150	27	7	11	7	14	0.4	-4
	16	180	36	9	15	4	18	0.4	-5
	20	220	45	11	19	0	22	0.4	-5
	25	270	56.3	16	23.4	0	32	0.8	-5