What Millstar Group does

Millstar Group is a brand division of Cole Tooling Systems, Inc., which is itself part of Cole Carbide Industries, a privately held Michigan-based manufacturing group headquartered at 4930 S. Lapeer Road in Orion Township. The company manufactures and sells precision carbide cutting tools for profile and contour milling, with a core focus on die and mold machining, hard milling (up to 68-72 HRc), and high-speed machining strategies. Its product portfolio spans solid carbide end mills in square, ball nose, bull nose, and toroid geometries; an indexable insert line covering ball nose, flat bottom, high feed, back draft, and toroid inserts; specialized programs for aluminum, high-feed, face milling/button cutters, and copy milling; plus tool holders and supporting milling charts and application data.

The company's technological differentiation rests on proprietary coatings developed in-house — specifically the HNC Multi-Layer Hybrid Nano Coating and the TLN EXALON AlTiN-based coating — and on patented hybrid tool geometries such as the ABL Ball Lens, BDS Back Draft PCD-Tipped, QFM Quad Force Machining, and EIV5 Variable Helix lines, all manufactured using advanced five- and six-axis CNC grinding. Performance claims include cycle-time savings of up to 75% on slot milling, machining-time reductions of up to 70% with high-feed tooling, and tool-life improvements of 30-50% from low-friction coatings.

Millstar operates a B2B direct-sales model through its Cole Tooling Systems parent, with quote-based pricing, downloadable product catalogs, application engineering support, and a content marketing program across YouTube, LinkedIn, Facebook, and Twitter. Customers are segmented across die/mold (primary), aerospace, medical device, power generation, automotive, and consumer products manufacturing. The company is private, does not disclose revenue, and lists only 1-10 employees at the brand-division level.

Name

Millstar Group

Legal name

Cole Tooling Systems, Inc.

Website

https://millstar.com

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Carbide Cutting Tools and Milling Tooling

NAICS

Cutting Tool and Machine Tool Accessory Manufacturing (333515)

SIC

Machine Tools, Metal Cutting Types (3541)

akta.pro primary industry

Metal Cutting Tools, Tooling & Workholding (Cutters, Inserts, Chucks, Fixtures) (IMAHADAB)

Keywords

• Carbide cutting tools
• Profile milling tools
• End mills
• Indexable inserts
• Contour milling

Headquarters

HQ city

Oakland

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Technology or R&D, Personnel, Marketing or Sales

Revenue model

1. Carbide Cutting Tools Sales: Sale of solid carbide end mills, indexable insert tools, button cutters, and specialty milling tools for die/mold, aerospace, medical, automotive, and power generation industries. Products include ball nose, square end, toroid, and bull nose geometries in various sizes.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels7 records

Core offering

Millstar Group designs and manufactures precision solid carbide end mills, indexable carbide inserts, face mills, button cutters, and tool holders for profile and contour milling operations. Products are built around proprietary coatings (TLN Exalon and HNC nano coatings) and advanced 5- and 6-axis grinding technology to enable high-speed and hard milling of materials up to 68 HRc for die/mold, aerospace, medical, automotive, and power generation manufacturers.

Product overview

Millstar Group, a division of Cole Tooling Systems, offers a comprehensive portfolio of precision carbide cutting tools and milling solutions. The product lineup centers on Profile Milling Tools designed for high speed and hard milling applications. Core offerings include Solid Carbide End Mills (High Feed, Square Nose, Ball Nose, Bull Nose, and Toroid variants) and a complete line of Precision Carbide Inserts (Ball Nose, Flat Bottom, High Feed, Back Draft, and Toroid types). Featured innovations include the Quad Force Machining (QFM) Tooling System combining 4 geometries in 1 tool, ABL Hybrid Ball Lens Inserts, BDS Hybrid Back Draft PCD-Tipped inserts, and the EIV5 Variable Helix End Mill. The company also provides specialized programs for Aluminum Milling, High Feed Indexable Milling, Face Mills & Button Cutters, and Profile & Copy Milling. Technical support is delivered through Milling Charts & Application Data resources. All products feature proprietary EXALON coating technology for enhanced tool life and performance.

Differentiator

Problem solved

Functional benefit

Brands

• Millstar Profile Milling Tools: Industry leader in carbide mold tooling and carbide cutting tools, specializing in profile and contour milling technology.

Products and services

• Millstar Profile Milling Tools (Solid Carbide End Mills product line) Complete line of solid carbide end mills for high-speed and hard-milling applications, covering High Feed, Square Nose, Ball Nose, Bull Nose, and Toroid geometries in multiple flute counts and reach variants for die/mold, aerospace, medical, automotive, and consumer products manufacturers.
• Precision Carbide Inserts Program (Ball Nose, Flat Bottom, High Feed, Back Draft, Toroid) Indexable carbide insert program including MBT SuperFinisher, MB Ball Nose, VRBS Small Ball Nose, RB-N, RBT, BS-N inserts; BDS Flat Bottom and FB-R Flat Bottom inserts; HF High Feed Insert; Back Draft BD-R, VBD Small Back Draft, BD-N, TOBD-NF Non-Ferrous, CBN-Tipped, and PCD-Tipped variants; and TO Toroid Bull Nose Insert for hard-milled pocket and spiral milling.
• Quad Force Machining (QFM) Tooling System Solid carbide tooling system providing four-in-one performance versatility combining high feed geometry, variable flute geometry, variable helix geometry, and offset geometry to perform high feed machining, trochoidal machining, side/slot milling, and plunge milling with a single tool.
• ABL Series Hybrid Ball Lens Inserts Innovative hybrid ball lens inserts with a large end face radius typically equal to the diameter, allowing up to twice the step-over to decrease cycle time without sacrificing surface finish.
• BDS Hybrid Back Draft PCD-Tipped Bull Nose Inserts Inserts combining PCD technology with hybrid geometry benefits, offering the flexibility of an indexable tooling system with tool life up to 10 times that of carbide for graphite and super-abrasive applications.
• EIV5 Variable Helix Variable Flute End Mill End mill featuring radial grind, variable helix, variable pitch, and radius preparation for maximum versatility and surgical precision, ideal for medical and aerospace applications with reinforced cutting edge for increased chip load.
• HNC Multi-Layer Hybrid Nano Coating Proprietary multi-layer hybrid nano coating with state-of-the-art application technology providing optimal combination of friction coefficient, hardness, and oxidation temperature, outperforming competition on tough-to-machine materials up to 72 HRc.
• Face Mills and Button Cutters Hardened tool bodies with precision-ground round inserts and high-performance TLN and HSN coatings optimized for roughing, semi-finishing, and fine finishing on high-velocity and older CNC machines.
• Profile Milling Program Complete profile milling tooling program including Graphite Machining Program, steel shank holders (cylindrical and taper), carbide shank holders, Spike-Line holders, Uni-Shank holders, Morse steel shank holders, screw-on heads, and solid carbide adaptors.
• Copy Milling Program Copy milling tooling program including Toroid end milling cutters, arbor style milling cutters, and associated inserts and cutting parameters for 3D profiling operations.
• Indexable Milling Program for Aluminum Alloys Versatile aluminum milling cutters featuring modular screw-on heads, shell milling cutters, and end mill cutters in multiple sizes with back draft capability and 90-degree step options.
• High Feed Indexable Milling Program Sophisticated high-feed geometry tooling produced with five- and six-axis CNC grinding technology, featuring positive cutting edges from continuous radii with no tangent point to induce wear, for aggressive material removal.
• Tool Holders (SD Collet and HM Milling Chucks) SD Collet and HM Milling Chucks for secure and precise tool holding in milling operations across Millstar's solid carbide and indexable tooling programs.

Quantifiable outcome

• Cycle-time savings of up to 75% on slot machining operations
• +4 more outcomes

Named customers6 records

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Iscar: Iscar (IMC Group) is a leading metal-cutting toolmaker with deep strength in indexable milling, high-feed tooling, and inserts — directly overlapping Millstar's indexable insert and button-cutter programs in die/mold and heavy machining.
• Kennametal: Kennametal manufactures a broad portfolio of metal-cutting tools, inserts, and tooling systems used in aerospace, automotive, and general engineering — a head-to-head competitor in solid carbide end mills and indexable milling that Millstar also targets.
• YG-1: YG-1 is a South Korean manufacturer of solid carbide cutting tools — end mills, drills, and taps — competing across the same mid- and high-end milling categories with a global distribution footprint.
• Ingersoll Cutting Tools: Ingersoll (IMC Group) produces indexable milling cutters, inserts, and high-feed tooling used heavily in aerospace and heavy machinery — a direct peer in the indexable milling and face-mill / button-cutter categories.
• Sandvik Coromant: Sandvik Coromant is the global market leader in metal-cutting tooling — solid carbide end mills, indexable inserts, and milling toolholders — directly overlapping Millstar's full product range. It is the primary competitive benchmark in die/mold, aerospace, and general milling.
• Walter Tools: Walter (part of the Sandvik group) offers a comprehensive milling, turning, and drilling portfolio including high-feed face mills and solid carbide end mills — a direct competitor in the same aerospace, mold/die, and general engineering accounts that Millstar serves.
• Mitsubishi Materials: Mitsubishi Materials' carbide tool division produces end mills, inserts, and milling toolholders used in die/mold, aerospace, and automotive — directly competing with Millstar in coated carbide milling and hard-milling applications.
• OSG: OSG is a global manufacturer of taps, drills, end mills, and indexable cutting tools with strong presence in mold/die and aerospace — directly comparable to Millstar in solid carbide end mills and high-hardness milling.
• Emuge-Franken: Emuge-Franken produces taps, end mills, and thread-milling tools, with strong positions in mold/die, automotive, and aerospace — a direct peer for Millstar in profile/contour milling and high-performance solid carbide end mills.
• Guhring: Guhring is a German manufacturer specializing in solid carbide rotary tooling — drills, end mills, and reamers — closely matching Millstar's focus on precision solid carbide end mills for mold/die and aerospace applications.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks7 records

Key highlights6 records

Customer concentration

• Xtwitter.com/ColeCarbide
• YouTubeyoutube.com/@MillstarUSA
• Facebookfacebook.com/Cole-Carbide-Industries-Inc-136302599748682
• LinkedInlinkedin.com/company/millstar-group

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Millstar Group