R390 Square Shoulder Cutter: Precision Milling for Exceptional Finishing

 

Product Overview

The R390 Square Shoulder Cutter is engineered for high-precision milling applications, delivering exceptional accuracy and surface quality. Designed for finishing operations, this tool features a robust construction and optimal geometry for superior cutting performance. Compatible with Sandvik Coromant inserts, it ensures excellent chip control and prolonged tool life, making it ideal for a wide range of materials including steel, stainless steel, cast iron, and non-ferrous metals.

 

Cutoutil Hardware Tools Co., Ltd. is a leading manufacturer and exporter specializing in high-quality cutting tools, diamond tools, machine accessories, and measuring tools. With our own factory and extensive global partnerships, we offer a comprehensive range of products including turning tools, milling tools, carbide end mills, carbide ball end mills, carbide burrs, carbide drills, milling cutters, carbide inserts, ER collets, chucks, and end mills for aluminum. We collaborate with top global brands such as Kyocera, Teagutec, Sandvik, Seco, Kennametal, Sumitomo, ZCC, Korloy, and many others, ensuring competitive pricing and reliable quality for all our products. Our commitment to excellence and innovation makes us a trusted partner for customers worldwide.

Key Features

High Precision: Engineered for superior accuracy and excellent surface finish, perfect for finishing operations.

Optimized Geometry: Designed for efficient chip evacuation and reduced cutting forces.

Durability: Robust construction for heavy-duty machining and extended service life.

Versatility: Suitable for various materials and machining applications.

Easy Maintenance: Compatible with standard screws and wrenches for quick insert replacement.

Specifications

Model	D (mm)	d (mm)	L (mm)	L1 (mm)	a (mm)
R390-11-16X160-C16-2T	16	16	160	40	11
R390-11-16X200-C16-2T	16	16	200	50	11
R390-11-20X160-C20-2T	20	20	160	40	11
R390-11-20X200-C20-2T	20	20	200	50	11
R390-11-25X160-C25-2T	25	25	160	40	11
R390-11-25X200-C25-2T	25	25	200	50	11
R390-17-25X160-C25-2T	25	25	160	40	17
R390-17-25X200-C25-2T	25	25	200	50	17
R390-17-32X200-C25-2T	32	25	200	50	17

 

Accessories

Inserts: R390-11T308 (Sandvik Coromant)

Screws: M2.5x6 (for R390-11) / M3.5x8 (for R390-17)

Wrenches: T8 (for R390-11) / T15 (for R390-17)

 

Insert Details

Insert Model	Shape	Size (mm)
R390-11T308M-PM	Square	L1: 11, L2: 6.8, S1: 3.5, Re: 0.8
R390-11T308M-KM	Square	L1: 11, L2: 6.8, S1: 3.5, Re: 0.8
R390-17T0408M-PM	Square	L1: 17, L2: 9.6, S1: 4.76, Re: 0.8
R390-17T0408M-KM	Square	L1: 17, L2: 9.6, S1: 4.76, Re: 0.8

 

Applications

Shoulder Milling

Slotting

Profiling

General Milling Operations

 

Material Compatibility

Steel

Stainless Steel

Cast Iron

Non-Ferrous Metals

 

Square shoulder cutter, high-precision milling tools, Sandvik inserts, finishing operations, chip control

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