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TinyMiniTurnMulti

Solid carbide boring bar for small-diameter drilling and turning

Boosts productivity for small part machining

t_565_m_01

Applications & Features

Solid Carbide Boring Bars & Grades

Sleeves

Practical examples

Standard cutting conditions

ISO	Workpiece material	Grade	Cutting speed Vc (m/min)
ISO	Workpiece material	Grade	Drilling	Turning
	Low carbon steels S15C, S25C, etc. C15E, C15E4, etc.	SH725	20 – 100	40 – 140
	Carbon steels, Alloy steels S55C, SCM440, etc. C55, 42CrMo4, etc.	SH725	20 – 100	40 – 140
	Prehardened steels NAK80, PX5, etc.	SH725	20 – 100	40 – 140
	Stainless steels SUS304, SUS316, etc. X5CrNi18-9, X5CrNiMo17-12-3, etc.	SH725	20 – 60	40 – 140
	Grey cast irons FC250, FCD300, etc. GG25, 250, GG30, 300, etc.	SH725	30 – 100	30 – 100
	Ductile cast irons FC450, FCD600, etc. GGG60, 600-3, etc.	SH725	30 – 100	30 – 100
	Aluminium alloys, Copper alloys Si < 12%	SH725	50 – 200	90 – 200
	Titanium alloys Ti-6AI-4V, etc.	SH725	20 – 50	30 – 100
	Superalloys Inconel718, etc.	SH725	20 – 50	30 – 100

L/D=2

Application range	Minimum bore diameter: DMIN (mm)
	ø3		ø4		ø5		ø6		ø7
	Depth of cut ap (mm)	Feed f (mm/rev)	Depth of cut ap (mm)	Feed f (mm/rev)	Depth of cut ap (mm)	Feed f (mm/rev)	Depth of cut ap (mm)	Feed f (mm/rev)	Depth of cut ap (mm)	Feed f (mm/rev)
Internal and external turning	0.2 – 1.5	0.01 – 0.08	0.2 – 2	0.01 – 0.08	0.2 – 2.5	0.01 – 0.08	0.2 – 3	0.01 – 0.08	0.3 – 3.5	0.01 – 0.08
Face turning	0.02 – 0.2	0.01 – 0.06	0.02 – 0.4	0.01 – 0.06	0.2 – 0.65	0.01 – 0.06	0.2 – 0.65	0.01 – 0.06	0.25 – 0.7	0.01 – 0.07
Drilling	–	0.01 – 0.06	–	0.01 – 0.06	–	0.01 – 0.08	–	0.01 – 0.08	–	0.01 – 0.1

L/D=3

Application range	Minimum bore diameter: DMIN (mm)
	ø3		ø4		ø5		ø6		ø7
	Depth of cut ap (mm)	Feed f (mm/rev)	Depth of cut ap (mm)	Feed f (mm/rev)	Depth of cut ap (mm)	Feed f (mm/rev)	Depth of cut ap (mm)	Feed f (mm/rev)	Depth of cut ap (mm)	Feed f (mm/rev)
Internal and external turning	–	–	0.2 – 2	0.01 – 0.07	0.2 – 2.5	0.01 – 0.07	0.2 – 3	0.01 – 0.07	–	–
Face turning	–	–	0.02 – 0.4	0.01 – 0.04	0.2 – 0.65	0.01 – 0.04	0.2 – 0.65	0.01 – 0.04	–	–
Drilling	–	–	–	0.01 – 0.05	–	0.01 – 0.06	–	0.01 – 0.06	–	–

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Main product report_No. 565-G

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