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BIG Kaiser Precision Tooling Inc.



Phone: 847-228-7660
Toll-Free: 888-866-5776
Fax: 847-228-0881

Please visit: BIG Kaiser Precision Tooling Inc.

Mailing Address:
2600 Huntington Blvd.
Hoffman Estates, IL 60192 US



A Special Message from BIG Kaiser Precision Tooling Inc.

BIG Kaiser Expands Comprehensive Precision Tooling Line

Hoffman Estates, IL – BIG Kaiser Precision Tooling Inc. showcased a comprehensive line of new boring heads and tooling products at IMTS 2010 to make machining more reliable, accurate, and robust for its customers.

BIG Kaiser’s expanded line of Kaiser boring solutions delivers on a 60+ year promise of maintaining the highest level of quality.

The Kaiser EWN 2-54D Digital precision fine boring head for the diameter range of .078”-2.125” supports spindle speeds up to 20,000 RPM. The boring head features an integrated LCD display with one-button operation and .00005”/Ø resolution. A single button activates the LCD display with a power management system for optimized battery life and sealed construction guarantees the electronic components are not damaged due to coolant or contamination. This head is compatible with all existing Kaiser accessories including shanks, boring bars, and insert holders.

The Kaiser SW series of versatile, exceptionally rigid twin cutter rough boring heads are for the diameter range of .787”-8.000”. These corrosion resistant boring heads are capable of balanced or stepped cutting operations without the need to change components or use mechanical systems to adjust insert height. The tools feature standard carbide inserts and coolant-through direct to the cutting edge to improve chip evacuation and lengthen tool life.

Kaiser’s new large diameter 318 series is a complete tooling system optimized for twin cutter rough boring, precision finish boring, and precision OD turning operations for the diameter range of 7.87”-24.41”. The system supports high spindle speeds up to 6,600 SFM due to an absolutely safe and secure assembly of lightweight aluminum components, is coated for wear and corrosion resistance, provides for high pressure coolant through the tools and is sealed for all diameters and lengths.

The EWN04-7 series from Kaiser features the world’s smallest precision finish boring head for use on micro milling machines with high speed spindles such as HSK-E25, E32 or E40. The head features a high precision adjustment accuracy of .0001”/Ø with a vernier scale, a diameter range of .016”-.276”, are available with Kaiser’s KA1 tool connection or Ø10mm straight shank, and can accept boring cutters with Ø4mm shanks.

BIG Kaiser ensures the ultimate in runout accuracy and dependability with the latest in BIG Daishowa tool holder technology.

The Mega ER Grip is BIG Daishowa’s newest high precision collet and tool holder system featuring runout accuracy of three microns (.00012”) at 5xD. The new system features ERC collets in accordance with DIN6499 and ISO15488 standards ensuring the best runout accuracy in the world and surpasses all other existing ER collets. An increased collet/body contact area improves rigidity and clamping force.. The Mega ER Grip system is available with BIG-PLUS® (CAT), HSK, and CAPTO® interfaces.

Another brand new high tool holder design from BIG Daishowa is being introduced, a high precision and high rigidity hydraulic chuck for clamping straight shank tools with diameters ¼”-1 ¼”. These hydraulic chucks have been pre-balanced to within 15 gr.mm for high speed operation up to 20,000 rpm, and feature runout accuracy guaranteed to less than three microns (.00012”) at 4xD. These chucks are available for BIG-PLUS® (CAT and BT), HSK, and CAPTO® interfaces.

The new BIG Daishowa complete line of HSK-T63 turning tools for mill-turn centers offers a modular program allowing user-specific configurations for optimum tool lengths, approach angles, or insert shape and geometry. The design includes a precision keyway for assuring repeatable accuracy and adheres to ISO standard 12164-3.

BIG Kaiser also now offers a selective line ofBIG Daishowa HSK-A125 tooling systems in response to the popularity of HSK-A125 machines used for the machining of titanium aerospace components. These highly precise and rigid tools are available as milling chucks, shrink fit holders, shell and end-mill holders, and collet chucks.

Offline tool setup on Speroni Tool Presetters is advancing at a rapid pace dictated by the development and importance of the tool resource in the manufacturing environment.

The bench-top Magis tool presetter has undergone many recent upgrades since its North American debut at IMTS 2008. Now offered standard is the Magis 2.0 software package with new features such as integrated base post where there is no need for a second PC to operate the Post Processing software, a new data backup feature in case of a PC crash, and a new runout calculating feature.

New optional upgrades to the Magis include an integral mechanical clamping systems for ISO 40/50 tapers, new reduction sleeves with a focus notch for increased repeatability, and new optical carriers for left hand and large diameter cutters.

The newly improved stand-alone Esperia tool presetter has undergone many design changes that will be first shown at IMTS 2010, including a new optic carrier, fast axis movement handles/controls, integral spindle, spindle disk brake, quick-change adapters, chip read/write feature, a new measuring ring for Angle Head measurement, custom optic carriers, and a 3D graphics display of tool drawings.

Additional Speroni software and control improvements will also be debuted such as Esperia Simple Vision, Edge, Edge+, and Edge Pro.

Three new chucks expand the applications for BIG Kaiser’s Unilock zero-point clamping system. The rectangular footprint of the ASM 105x65 is ideal as a support platform on 5-axis machines allowing clearance for the spindle to access five sides of a workpiece. This chuck is also useful as a gripper for robots when Unilock clamping knobs are used for pick-and-place applications. The new AFM 146 also provides 5-sided access, as well as a low profile. The Unilock NSA 125 chuck is designed for use in automation applications and offers cleaning and monitoring of the clamping process.

BIG Kaiser’s mission is to support North American manufacturers with products that are designed and manufactured to a superior standard. Guaranteed.

Company Profile


BIG Kaiser Precision Tooling Inc. is a market leader in the development, manufacture and distribution of High Precision Boring Tools, Precision Tool Holders including BIG-PLUS® Systems, Modular Tooling Systems, Tool Measuring & Presetting Systems, Modular Workholding & Clamping Systems, Solid Carbide & High Speed Steel Precision Drills and Quality Machine Tool Accessories. BIG Kaiser's tooling solutions are designed to produce the highest levels of precision, productivity and efficiency. From small job shops to the largest manufacturers in the industry, BIG Kaiser is committed to providing high quality solutions and services to all of its manufacturing partners.

Our website is now available in Spanish - www.bigkaiser.com/sp

Product Categories of BIG Kaiser Precision Tooling Inc.

  • Arbors (for Cutters)
  • Boring Tools & Heads for Machining Centers
  • Boring Tools for Turning Machines
  • Calibration Equipment
  • Chamfering Tools
  • Clamps & Fixturing Devices
  • Collets for Toolholding
  • Counterbores/Countersinks
  • Drill Chucks
  • Drilling Attachments
  • Drills
  • End Mills
  • Fixturing Systems
  • Grooving Tools
  • Inserts, Indexable (Carbide, etc.) & Tool Inserts
  • Milling Cutters
  • Milling Heads/Attachments
  • Probes, Electromechanical
  • Retension Knobs
  • Tap Drivers & Attachments
  • Tool Blanks
  • Tool Condition Monitoring Systems
  • Tool Holders & Adapters
  • Tool Presetting Equipment
  • Tooling Systems, Modular and/or Quick-Change
  • Workholding, Custom

Trade Names

  • BIG
  • BIG Daishowa
  • BIG Kaiser
  • Diaset
  • Kaiser
  • Lang
  • mptec
  • Speroni
  • Sphinx
  • Tekusa
  • Tool Pro
  • Unilock


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Deep Links

Product Announcements Provided By BIG Kaiser Precision Tooling Inc.

New EWB UP (Ultra Precision) Finish Boring Head from Kaiser - Highest Level of Precision Diameter Adjusting Accuracy

New Catalog Details Cutting Performance of Fullcut Mill FCR Type

BIG Kaiser Cleanup Tools

Accessorize Your Machine for Maximum Performance

Unilock Zero-Point Clamping System

Micro Tricut and Phoenix Drills

Esperia Stand Alone Tool Presetter

HSK-A125 Tooling System

Magis Bench Top Tool Presetter

HSK-T63 Turning Tools for Mill-Turn Centers

Hydraulic Chuck Tool Holder System

Mega ER Grip High Precision Collet Chuck System

EWN04-7 Series Precision Finish Boring Head

319 SW Series Twin Cutter Rough Boring Heads

318 Series Large Diameter Boring System

EWN 2-54D Digital Finish Boring Head

Mega Synchro Tapping Holder from BIG Kaiser

C-Cutter Mini from BIG Kaiser

As seen in MMS

Twin-Cutter Boring System Offers Flexibility
BIG Kaiser’s 319 SW series twin-cutter, rough boring system enables users to switch between balanced and stepped cutting by reversing the insert holders.

ER Collet Chuck System Offers Rigidity, Balance
With a runout accuracy of 0.00012" (3 microns) at 5×D, BIG Kaiser’s Mega ER Grip is designed to increase clamping force, concentricity, rigidity and balance at high spindle speeds.

High Precision, Lightweight Boring Tool System
BIG Kaiser’s large-diameter Kaiser 318 series complete tooling system supports a variety of aluminum and steel components optimized for twin cutter rough boring, precision finish boring and precision OD turning operations.

Hydraulic Chuck Promotes Smooth, Stable Cutting
BIG Kaiser’s high-precision hydraulic chuck is designed for clamping straight-shank tools with diameters ranging from ¼" to 1¼" and 6 to 32 mm.

Last Glance at IMTS 2010
It would be impossible to cover all of the key exhibitors at IMTS 2010—even if every booth got merely a quick glance. However, the editors of MMS did get glimpses of some interesting technologies exhibited at the show...

Presetting Process Cuts Scrap, Rework
Aerospace manufacturer Fokker Aerospace Group relies on Speroni’s STP46 tool measuring and presetting machine to ensure that step drills used to cut and chamfer holes on aircraft flap skins are within tolerance and set to the proper length. This machine and custom procedures developed by Speroni enables the aerospace manufacturer to avoid cost and downtime resulting from reworking or scrapping these large parts.

Systems for Precision Boring and More
The large-diameter 318 series is a tooling system designed for twin cutter rough boring, precision finish boring and precision OD turning operations for the diameter range of 7.87" to 24.41".

Expanded Modular Tooling System
BIG Kaiser Precision Tooling has expanded the Kaiser KAB modular tooling system capabilities to include the rigid, high-feed C-Cutter Mini chamfer mill line from BIG Daishowa Seiki.  

Timing Is(n’t) Everything
There’s no good or bad timing. Moving ahead is the thing.

BIG Kaiser Grand Opening

Modular Connection for Large Boring Tools
The CKN modular connection for large boring tools features a three-screw interface, providing high clamping forces for maximum torque transmission.

In-House Repair Center Saves Time, Money
Cutting tool manufacturer BIG Kaiser (Hoffman Estates, Illinois) says its in-house repair center can fix tools at a fraction of the cost and time involved in shipping tools abroad for repair.

HSK Turning Tools For Mill-Turns
BIG Kaiser Precision Tooling has expanded its turning tool line to include HSK-T63 tools for mill-turn centers (MTCs).

Synchronous Tapping Holder And More
 The company says its synchronous tapping holder, the Mega Synchro, compensates for synchronization error during rigid tapping by reducing the thrust load to both the tap and workpiece.

Big Kaiser Opens New HQ
Cutting tool manufacturer Big Kaiser Precision Tooling has opened a new corporate headquarters in Hoffman Estates, Illinois.

CKN Modular System For Large Boring
 BIG Kaiser Precision Tooling’s CKN modular connection utilizes both steel and lightweight aluminum components.

Big Kaiser Opens New HQ
Cutting tool manufacturer BIG Kaiser Precision Tooling has opened a new corporate headquarters in Hoffman Estates, Illinois.

Capto Modular Tooling Catalog
BIG Kaiser’s 44-page, full-color catalog details the complete line of BIG Coromant Capto C5/C6/C8 turning and rotating tooling. The expanded Capto product line includes Mega Micro and shrink-fit holders; extended gage lengths for the Mega N and Mega E series; and more than 500 rotating and turning tools that are available from stock.

Balance Rings, Radial Adjustable Toolholders
BIG Kaiser offers two balancing accessories for the 112 series EWN precision boring heads. Balance rings and radial adjustable holders allow compensation for imbalance in tool assemblies for diameters ranging from 0.

Gage Lengths Extended
BIG-Plus CAT50 shell mill adapters from BIG Kaiser are now available in standard 8", 10" and 12" gage lengths on 1" and 1½" pilot diameters and 4" and 6" lengths on a 1¼" pilot diameter. For increased rigidity, the 10" and 12" lengths with the 1" pilot diameter feature a tapered body.

MMS Online Adds Cutting Tool Experts
Struggling with a challenge related to cutting tools? Get answers to your questions on tools and related equipment from this team.

Extended Gage Lengths For Toolholder Line
BIG Kaiser has expanded its BIG-Plus line of toolholders by introducing extended gage lengths for its shell mill adapters and shrink-fit toolholders. The line’s CAT50 shell mill adapters are available standard in 8", 10" and 12" gage lengths on 1" and 1½" pilot diameters and 4" and 6" lengths on a 1¼" pilot diameter.

Reducing Thrust Loads During Rigid Tapping
Some amount of synchronization error is inevitable with rigid tapping. By allowing just a slight amount of axial movement to compensate for synchronous errors, this tapping holder is said to reduce thrust load by as much as 90 percent.

Big Kaiser Breaks Ground on New Headquarters
Cutting tool manufacturer Big Kaiser Precision Tooling recently began construction of a new corporate headquarters in Hoffman Estates, Illinois. The new facility, which will be nearly three times larger than the company’s current headquarters, will be used for administration, application engineering, inventory, testing and training.

Expanded Drill Series Offers Consistent Process Reliability
BIG Kaiser Precision Tooling has expanded its Phoenix drill series, which is part of the Sphinx product line. The solid carbide Phoenix drill is said to offer more productivity than conventional solid carbide counterparts.

How Do You Machine a 30:1 Hole in Stainless Without the Drill Wandering?
An expert in micromachining says one answer is to check various aspects of the drilling process. Another answer is not to use a drill at all.

Tapping Holder Improves Thread Quality And Tap Life
 The Mega Synchro tapping holder compensates for synchronization error during rigid tapping by reducing the thrust load to both the tap and workpiece, improving thread quality and tap life. This is facilitated through a mechanism that absorbs the pitch difference between the tap and synchronous spindle. Capable of supplying coolant through slits to the tap periphery, the holder is available in various lengths and spindle interfaces to suit any company’s needs.

Too Small To Touch
Hummingbird takes on machining work that is too small for most shops to handle. In fact, Hummingbird tries not to handle it either. To accurately machine the tiniest parts, this shop relies on processes that are as hands-off as possible.

Boring Head Features Fine-Adjusting Resolution
The EWB-UP ultra precision finish boring head is part of a series of boring tools with fine-adjusting resolution (0. 00005" on diameter for inch-graduated heads and 0. 001-mm steps of diameter corrections).

Tooling Manufacturer Celebrates 60th Anniversary
In celebration of its 60th anniversary, Heinz Kaiser AG recently hosted a company tour and formal reception at its Rumlang, Switzerland facility. Founded in 1948 by Heinz Kaiser, the company specializes in the development and manufacturing of high-precision modular tooling systems. Attendees toured the Kaiser facility in small groups, giving them the chance to observe the high precision and quality control checks that go into producing Kaiser tools, the company says.

Ultra Precision Finish Boring Head

Digital Boring Heads Offer 1-Micron Diameter Adjustments

Solid Carbide Micro Drills

No Need For Speed
In this shop, high speed machining makes sense at 4,000 rpm. While the disciplines the shop put in place made a new 15,000-rpm profiler dramatically more productive, high speed machining would have remained valuable even if the new machine never came. Acoording to a co-owner of this shop, high speed machining has no need for speed.

Milling Chuck Pumps Up Productivity
Rigid toolholding offers a platform for productivity on this pump manufacturer's mill-turn center.

Drills Designed To Cut Hard Materials

Presetter Spindles Provide Precision, Repeatability

A Practical Guide To Presetters
Tool measurement devices help shops save time, control runout and improve tool management.

Drills Feature Tool Connection With High Clamping Force

Alternate Workholding Method Fits New Machining Strategy
Increased demand for armor plating components led this shop to completely revamp its machining technique. Rather than machining individual workpieces, the shop produces multiple components nested in an aluminum plate. A custom vacuum workholding system plays a significant role in this new strategy.

Boosting Machine Spindle Speed For Micromachining Applications
Small-diameter micromachining tools require very high rpm for sufficient cutting speed and material removal rates. This air spindle provides 80,000 rpm and an untethered compressed air interface to allow automatic changeovers using the machine's ATC.

Chamfer Rings Add Features To Boring Heads

The Real Cost Of Runout
A seemingly small amount of runout can still be too large for the tool. Reduce this runout, and tool life or productivity may dramatically increase.

Holders Offer Adjustable Chamfering Angle

Toolholder System For Multitasking Series

High Speed Boring Of Small Diameters

Auto Shrink Presetters

An Indexable Insert
The solid end mill is a machine shop staple. Its positive cutting edge removes metal by slicing through the material, rather than by scraping.

T-Slot Protector

Standard Toolholders For Older, Discontinued Machine Tools

New Clamping Chuck Offered With Workholding System

Tooling Reduces 21 Minute Job To 9 Minutes
Shop leadership was looking for a way to reduce the time it took to complete a very difficult boring job. The job took 21 minutes per part to complete with multiple roughing and finishing processes. It required 10 minutes of hone time.

The Role Of Balance In High Speed Finish Boring
Precision boring is particularly vulnerable to unbalance, but not every high speed boring application demands a balanceable tool.

Setting Tools Makes Small Shop Sense
Some people think tool presetting can be justified only in large operations. This Arizona shop shows how it makes sense almost anywhere.

Wisconsin Manufacturer Solves Boring Problem With Extensions
V&L Tool, Inc., located in a Milwaukee suburb, had to solve one of its toughest boring problems before beginning the manufacturing of a new hydraulic jack.