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New Reliable Big Daishowa Kaiser CK Boring System EWN Boring Head and Finishing Head EWN41-74CKB4 for CNC Machine Center

Product Description

Product Description
EWN41-74CKB4
EWN41-74CKB4 Spec Diagram
Product Number Insert Holder Boring   Back Boring
Machining Diameter ΦD L L1 Machining Diameter ΦD L2 L3 B
EWN41-74CKB4 ENH4-1 41~54 47 43 - - - -
ENH4-2 50~63 53~63 14 29 20
ENH4-3 61~74 61~74
MEGA CHUCK SERIES EWN Boring Head
MEGA CHUCK SERIES:

Wide variety of collets and chuck bodies to cover all high speed ultra precision machining applications.

NEW BABY CHUCK:

NEW BABY CHUCK is capable of achieving high spindle speeds as required for drilling and end milling with smaller diameter cutting tools.

MEGA ER GRIP:

High precision collet, nut and body that outperforms standard ER systems.

HYDRAULIC CHUCK:

For high precision machining in automobile parts, die & mold, etc.

NEW Hi-POWER MILLING CHUCK:

NEW Hi-POWER MILLING CHUCK combines the high accuracy with high torque capability and rigidity.

RA HOLDER:

Compensates decreased runout accuracy of machine tool spindle. Simple design & easy adjustment. Uniform hole diameter, improved surface roughness & extended tool life.

SHRINK CHUCK:

Slim design avoids interference with the side wall and draft of the mold.

MOLD CHUCK:

Precision side lock holder to satisfy the requirements for minimum interference, accuracy and high speed.

GOLD STUB HOLDER:

Easy quick change with just one action. It is suitable for every type of process such drilling, tapping, etc., due to a large assortment of quick change holders.

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Our Services

Established on March.27th 1963, we have been growing up over 50 years. As a trading company, we sell steel, tools and machines in Japan. And as the agency of top brands, we provide the needs to society and customers and grow up together. The world is changing everyday, advance and diversification of needs are developing. In addition to quality, function, speed and price, the obligation of environmental problem and social responsibility becomes an important role of the enterprise. With providing the needs to society and customers, our company is evolving for a better future.

Business Scope:
  • Sale of cutting tools, measuring tools, electric pneumatic tools, hydraulic tools, hydraulic machine, and hand tools etc.
  • Sale of machine tools, apparatus, and FA system etc.
  • Development, design, manufacture and sale of automatic apparatus and robot system.
  • Sale of general steel, special steel and processed goods of them.
  • Design and construction of scene industrial products.
Services and Operations
Company Information
Company Facility and Warehouse
1963 Established and completed the first steel warehouse
1969 Completed the second steel warehouse and cutoff factory
1978 Completed the steel center warehouse
1988 Completed the steel center office
1990 Expanded the steel center warehouse
1992 Completed the new head office building
1995 Increased the cutoff factory in the steel center
2000 Concentrated the steel division center
2005 Completed the MC factory
2006 Expanded the MC factory
2008 Further expanded the MC factory
2011 Established joint venture in Changshu, China
2012 Arranged the trade department in the head office, beginning import/export business
2012 Completed the SE factory
Packaging & Shipping

We will use the best material for packaging and ship as customer's request.

Shipping Method: By sea, air, or overseas courier service (such as DHL, FedEx, EMS, etc.)

Packaging Case Shipping Box Package
Other Brands & Makers
Supported Brands and Makers Logo Grid
Frequently Asked Questions
What range of boring diameters does the EWN41-74CKB4 tool support?
The EWN41-74CKB4 tool handles boring diameters ranging from 41mm to 74mm by swapping compatible insert holders (ENH4-1, ENH4-2, and ENH4-3).
Does the EWN41-74CKB4 boring tool support back boring?
Yes, it supports back boring with a machining diameter of 53mm to 74mm using ENH4-2 and ENH4-3 insert holders.
What are the main application areas for these high-precision chucks?
These chucks (including hydraulic, shrink, and mold options) are engineered for high-precision machining of automobile parts, die and molds, and high-speed CNC applications.
How does the RA Holder improve tool life?
The RA Holder compensates for any decreased runout accuracy in the machine tool spindle, ensuring a uniform hole diameter, better surface roughness, and extended tool longevity.
What options are available for international product shipping?
We support multiple shipping modes including sea, air, and major international express couriers such as DHL, FedEx, and EMS to match your deadline and budget.

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