TinyMini-Turn

product_Turning_TinyMini-Turn

Solid carbide boring bar for small-diameter turning

Extra-fine cutting edge offers high-precision machining for a wide range of internal applications

Applications & Features

Applications

Internal turning Internal grooving Internal threading Face grooving

Features

1. Strong cutting edge

Optimized geometry and coating surface.

2. Enhanced lineup for a variety of turning operations of small-diameter holes

Full lineup with 146 items of solid carbide boring bars – Minimum boring diameter : øDm = 0.6 mm

3. High precision collet chuck sleeves

Functional TinyMiniTurn sleeves ensure stability in boring of small-diameter holes.

Solid Carbide Boring Bars & Grades

Solid Carbide Boring Bars

Internal turning

TinyMini-Turn for Internal Turning

Solid carbide boring bars

Internal grooving

TinyMini-Turn for Internal Grooving

Solid carbide boring bars

Internal threading

TinyMini-Turn for Internal Threading

Solid carbide boring bars

Grades

SH730

P20 – P35 / M20 – M35 / S05 – S15
High wear resistance
Designed for machining steel, stainless steel, and difficult-to-cut material

SH725

P20 – P30 / M20 – M30
High wear resistance
Designed for machining steel and stainless steel

Inserts & Grades

Inserts

TinyMini-Turn Inserts

Main Grades

SH730

P20 – P35 / M20 – M35 / S05 – S15
High wear resistance
Designed for machining steel, stainless steel, and difficult-to-cut material

SH725

P20 – P30 / M20 – M30
High wear resistance
Designed for machining steel and stainless steel

Indexable Toolholders

Internal turning

TinyMini-Turn for Internal Turning

Solid carbide boring bars

Sleeves

TinyMini-Turn Sleeves

Practical examples

Boring, profi ling, chamfering, back boring

ISO	Workpiece materials	Grade	Cutting speed Vc (m/min)	Feed f (mm/rev)
	Low carbon steels S15C, S25C, etc. C15E, C15E4, etc.	SH725 / SH730	40 – 140	0.01 – 0.08 *
	Carbon steels, Alloy steels S55C, SCM440, etc. C55, 42CrMo4, etc.	SH725 / SH730	40 – 140	0.01 – 0.08 *
	Prehardened steels NAK80, PX5, etc.	SH725 / SH730	40 – 140	0.01 – 0.08 *
	Stainless steels SUS304, SUS316, etc. X5CrNi18-9, X5CrNiMo17-12-3, etc.	SH725 / SH730	40 – 140	0.01 – 0.08 *
	Grey cast irons FC250, FCD300, etc. GG25, 250, GG30, 300, etc.	SH725 / SH730	30 – 100	0.01 – 0.08 *
	Ductile cast irons FC450, FCD600, etc. GGG60, 600-3, etc.	SH725 / SH730	30 – 100	0.01 – 0.08 *
	Aluminium alloys, Copper alloys Si < 12%	SH725 / SH730	90 – 200	0.01 – 0.08 *
	Titanium alloys Ti-6AI-4V, etc.	SH725 / SH730	30 – 100	0.01 – 0.08 *
	Superalloys Inconel718, etc.	SH725 / SH730	30 – 100	0.01 – 0.08 *

* JBTR/L04020004-D006,
JBTR/L04030004-D006
Max. f = 0.01 mm/rev

Threading (metric thread)

ISO	Workpiece materials	Grade	Cutting speed Vc (m/min)	Number of passes Pitch (mm)
ISO	Workpiece materials	Grade	Cutting speed Vc (m/min)	0.5	0.75	1	1.25	1.5
	Low carbon steels S15C, S25C, etc. C15E, C15E4, etc.	SH725 / SH730	40 – 140	6 – 8	8 – 10	10 – 12	12 – 15	15 – 18
	Carbon steels, Alloy steels S55C, SCM440, etc. C55, 42CrMo4, etc.	SH725 / SH730	40 – 140	6 – 8	8 – 10	10 – 12	12 – 15	15 – 18
	Prehardened steels NAK80, PX5, etc.	SH725 / SH730	40 – 140	6 – 8	8 – 10	10 – 12	12 – 15	15 – 18
	Stainless steels SUS304, SUS316, etc. X5CrNi18-9, X5CrNiMo17-12-3, etc.	SH725 / SH730	40 – 140	8	10	12	15	18
	Grey cast irons FC250, FCD300, etc. GG25, 250, GG30, 300, etc.	SH725 / SH730	30 – 100	7	9	12	14	17
	Ductile cast irons FC450, FCD600, etc. GGG60, 600-3, etc.	SH725 / SH730	30 – 100	7	9	12	14	17
	Aluminium alloys, Copper alloys Si < 12%	SH725 / SH730	90 – 200	6	8	10	12	15

Internal grooving

ISO	Workpiece materials	Grade	Cutting speed Vc (m/min)	Feed f (mm/rev)
	Low carbon steels S15C, S25C, etc. C15E, C15E4, etc.	SH725 / SH730	40 – 140	0.01 – 0.03
	Carbon steels, Alloy steels S55C, SCM440, etc. C55, 42CrMo4, etc.	SH725 / SH730	40 – 140	0.01 – 0.03
	Prehardened steels NAK80, PX5, etc.	SH725 / SH730	40 – 140	0.01 – 0.03
	Stainless steels SUS304, SUS316, etc. X5CrNi18-9, X5CrNiMo17-12-3, etc.	SH725 / SH730	40 – 140	0.01 – 0.03
	Grey cast irons FC250, FCD300, etc. GG25, 250, GG30, 300, etc.	SH725 / SH730	30 – 100	0.01 – 0.03
	Ductile cast irons FC450, FCD600, etc. GGG60, 600-3, etc.	SH725 / SH730	30 – 100	0.01 – 0.03
	Aluminium alloys, Copper alloys Si < 12%	SH725 / SH730	90 – 200	0.01 – 0.03
	Titanium alloys Ti-6AI-4V, etc.	SH725 / SH730	30 – 100	0.01 – 0.03
	Superalloys Inconel718, etc.	SH725 / SH730	30 – 100	0.01 – 0.03

Face grooving

ISO	Workpiece materials	Grade	Cutting speed Vc (m/min)	Feed f (mm/rev)
	Low carbon steels S15C, S25C, etc. C15E, C15E4, etc.	SH725 / SH730	40 – 140	0.01 – 0.05
	Carbon steels, Alloy steels S55C, SCM440, etc. C55, 42CrMo4, etc.	SH725 / SH730	40 – 140	0.01 – 0.05
	Prehardened steels NAK80, PX5, etc.	SH725 / SH730	40 – 140	0.01 – 0.05
	Stainless steels SUS304, SUS316, etc. X5CrNi18-9, X5CrNiMo17-12-3, etc.	SH725 / SH730	40 – 140	0.01 – 0.05
	Grey cast irons FC250, FCD300, etc. GG25, 250, GG30, 300, etc.	SH725 / SH730	30 – 100	0.01 – 0.05
	Ductile cast irons FC450, FCD600, etc. GGG60, 600-3, etc.	SH725 / SH730	30 – 100	0.01 – 0.05
	Aluminium alloys, Copper alloys Si < 12%	SH725 / SH730	90 – 200	0.01 – 0.05
	Titanium alloys Ti-6AI-4V, etc.	SH725 / SH730	30 – 100	0.01 – 0.05
	Superalloys Inconel718, etc.	SH725 / SH730	30 – 100	0.01 – 0.05

For new indexable boring bar (EPG04 / EPG03 insert)

ISO	Workpiece material	Grade	Cutting speed Vc (m/min)
	Low carbon steels S15C, S25C, etc. C15E, C15E4, etc. Carbon steels S45C, S55C, etc. C45, C55, etc. Alloy steels SCM440, SCr420, etc. 42CrMo4, 20Cr4, etc.	SH725	50 – 200
		SH730	50 – 150
		J740	10 – 100
		NS9530	150 – 300
		GT9530	150 – 300
	Stainless steels SUS304, SUS316, etc. X5CrNi18-9, X5CrNiMo17-12-3, etc.	SH725	50 – 200
		SH730	30 – 150
	Grey cast iron FC250, GG25, 250, etc.	TH10	30 – 100
	Aluminium alloys Si < 12%	TH10	> 100
	Aluminium alloys Si < 12%	DX140	> 500
	Aluminium alloys Si > 12%	TH10	> 100
	Aluminium alloys Si > 12%	DX140	> 400
	Copper alloys	TH10	> 100
	Copper alloys	DX140	> 500
	Titanium alloys Ti-6Al-4V, etc.	SH725	30 – 50
	Superalloys Inconel718, etc.	SH730	30 – 50
	Hardened materials	BX310	30 – 150
Powder metal	Sintered powder metals	BX470	100 – 300

For more information about this product, visit our online e-catalog or download the product report:

e-Catalog

Metric | Imperial

PDF

Metric

Main product report_No. 402-G
- Expansion: high-pressure coolant external threading tool holder_No. 402S1-G
- Expansion: grade SH725 and indexable toolholder_No.402S2-G

Imperial

Main product report_No. 402-US