TWN Rough Boring Head

Diameter Range: 20mm – 150mm (0.787” – 5.906”)
• Length Range: 35mm – 75mm (1.378” – 2.953”)
• Material: H13 Steel

Features and benefits

• One boring head accommodates two cartridge sizes, reducing tooling inventory
• Three-sided cartridge support provides high rigidity and vibration resistance
• Full face-contact cartridge clamping improves load distribution and clamping strength
• Cutter runout less than 0.02mm
• Supports 90° blind-hole boring and 75° through-hole boring
• See page 96 of our catalogue under the “Download” tab for detailed dimensions, tolerances, and applicable inserts
• Please contact us for inquiries on pricing or customized solutions

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Product Description

Dimensions & Technical Specifications

12 available configurations

Cutting Diameter (mm)	Holding Diameter (mm)	Length (mm)	Insert	Insert Screw	Insert Wrench	Cutter Block	Cutter Block Screw	Slide Trimmer Screw	Mass (kg)	Holding Screw
20–26	19	35	CC..0602..	M2.5×6.5	T8	TW20–26M	M4–0.7×16	M3×5	0.07	M2.5×6
25–33	24	38	CC..0602..	M2.5×6.5	T8	TW25–33M	M5–0.8×18	M3×6	0.14	M2.5×6
32–42	31	43	CC..09T3..	M4×10	T15	TW32–42M	M6–1.0×20	M3×8	0.23	M4×10
41–54	39	50	CC..09T3..	M4×10	T15	TW41–54M	M8–1.25×25	M3×10	0.43	M4×10
53–72	49	60	CC..1204..	M5×13	T20	TW53–72M	M10–1.5×35	M4×12	0.82	M5×12
68–90	63	75	CC..1204..	M5×13	T20	TW68–90M	M10–1.5×35	M4×16	1.75	M5×12
89–120	63	75	CC..1204..	M5×13	T20	TW89–120M	M10–1.5×35	M4×16	2.25	M5×12
115–150	63	75	CC..1204..	M5×13	T20	TW115–150M	M10–1.5×35	M4×20	2.35	M5×12
53–72	49	60	CC..1204..	M5×13	T20	TW53–72M	M10–1.5×35	M4×12	0.82	M5×12
68–90	63	75	CC..1204..	M5×13	T20	TW68–90M	M10–1.5×35	M4×16	1.75	M5×12
89–120	63	75	CC..1204..	M5×13	T20	TW89–120M	M10–1.5×35	M4×16	2.25	M5×12
115–150	63	75	CC..1204..	M5×13	T20	TW115–150M	M10–1.5×35	M4×20	2.35	M5×12