What RobbJack does

RobbJack Corporation is a privately held U.S. specialty manufacturer of solid carbide cutting tools, founded in 1959 and headquartered in Lincoln, California, with 11–50 employees. The company engineers and produces precision carbide end mills, slitting saws, drills, routers, and PCD diamond tooling for CNC milling applications, differentiated by proprietary geometries (patented Mirror Edge, T-Process Hone, Feather Blend neck), tight manufacturing tolerances (T.I.R. at 1/3 industry standards), and exclusive access to Crystallume DCC diamond coating technology through a sister-company relationship.

RobbJack's product portfolio is organized around material-specific solutions for aluminum, titanium, hardened die/mold steels, composites (CFRP), and miniature micromachining, with reported performance claims including 25x longer tool life in CFRP drilling, 450% longer tool life and 909% less wear in die/mold, and 400% cycle-time reductions in aerospace trimming. The company monetizes through one-time sales of standard catalog tools, quote-based custom tool manufacturing, and regrinding services, supplemented by a free web-based Speeds & Feeds calculator used as a technical-content marketing asset.

Go-to-market is sales-led, combining a domestic distributor network for local coverage with a direct enterprise field sales team of application specialists who provide consultative support from quotation through post-sale. Customers span aerospace, automotive, die/mold, firearms, medical, and woodworking manufacturers, with named enterprise case studies documenting six-figure annual savings per account. No external funding, M&A activity, or public-market events are disclosed in the source data.

Name

RobbJack

Legal name

RobbJack Corporation

Website

https://robbjack.com

Company type

Private

Founded year

1959

Operating status

Operating

Headcount range

11–50 employees

Short description

RobbJack is a privately held U.S. manufacturer founded in 1959 that engineers and sells solid carbide cutting tools and PCD diamond tooling for aerospace, automotive, die/mold, firearms, medical, and woodworking manufacturers, leveraging proprietary geometries and exclusive Crystallume DCC diamond coating technology.

Ownership category

akta.pro rank

Product category

Industrial Carbide Cutting Tools

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
• Solid carbide end mills
• PCD diamond tools
• CNC milling tools
• Carbide slitting saws

Headquarters

HQ city

Lincoln

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Solid Carbide Cutting Tools Sales: One-time purchase of solid carbide end mills, slitting saws, routers, drills, and other cutting tools. Products available in standard configurations and custom configurations. Includes regrinding services for existing tools.
2. Custom Tool Manufacturing: Bespoke tool design and manufacturing services for specific customer machining requirements. Quote-based pricing for custom configurations.
3. Regrinding Services: Refurbishment and resharpening of existing carbide cutting tools to extend tool life.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels7 records

Core offering

RobbJack Corporation designs, manufactures, and sells solid carbide and PCD cutting tools — including end mills, slitting saws, routers, drills, and miniature tools — engineered for CNC milling equipment with tight tolerances, proprietary geometries, and advanced coatings. The company also offers a free Speeds & Feeds calculator, quote-based custom tool design, and regrinding services to aerospace, automotive, die/mold, firearms, medical, and woodworking manufacturers.

Product overview

RobbJack Corporation is a manufacturer of solid carbide cutting tools established in 1959, offering the broadest line of carbide end mills with close tolerances for CNC milling equipment. The product portfolio centers on solid carbide end mills (including AL3 Series for high-performance aluminum, FM/FMHV Series for aluminum with Mirror Edge chatter reduction, DM/MDM for die/mold applications, XF/XG for titanium and hard metals, SS/SR for miniature precision machining), complemented by PCD diamond tools (drills and routers for carbon fiber composites), solid carbide slitting saws with K-Series and thru-coolant arbor options, and flat bottom drills. Tool modifications include Mirror Edge (patented chatter reduction), Feather Blend (neck transitions), T-Process Hone (edge strengthening), and various geometric modifications. The company also provides a web-based Speeds & Feeds Calculator and custom tool design services. Coatings offered include TiN, TiCN, AlTiN, DCC diamond coated carbide, and DLC diamond-like carbon. Products serve aerospace, automotive, die/mold, medical, firearms, and woodworking industries.

Differentiator

Problem solved

Functional benefit

Products and services

• Solid Carbide End Mills Core product category encompassing precision solid carbide end mills engineered with tight tolerances, proprietary geometries (Mirror Edge, T-Process, Feather Blend), and advanced PVD/CVD coatings for CNC milling equipment across aerospace, automotive, medical, die/mold, firearms, and woodworking applications.
• AL3 Series High Performance Aluminum End Mills High-performance aluminum end mill series designed to eliminate chatter and vibration even at axial depths up to eight times tool diameter in single-pass high-efficiency machining, targeting automotive and aerospace aluminum components.
• FMHV High Velocity Aluminum End Mills Aluminum end mills with high radial rake, polished flutes, and Mirror Edge geometry engineered for high-speed aluminum machining with reduced vibration and chatter, supporting automotive and aerospace high-removal-rate applications.
• FBD Flat Bottom Drills Flat bottom drills designed for counterbores and applications requiring flat floors, delivering precise hole geometry where standard twist drills leave angled surfaces.
• DM/MDM Die/Mold Carbide End Mills Ball end, bull nose, and square end carbide end mills for hardened die and mold materials up to 70 HRc, delivering 450% longer tool life and 909% less wear than comparable carbides and reducing or eliminating secondary polishing.
• HM/MHM Series Bull Nose End Mills Bull nose end mills for materials up to 60 HRc, offering larger diameters with small corner radii for semi-finishing and finishing operations requiring straight sidewalls.
• XG/MXG Series Square End Mills Square end mills for materials up to 40 HRc, built with 6-12% cobalt carbide for side milling, roughing, semi-finishing, finishing flat areas, slotting, and pocketing operations.
• XF/MXF Series Square End Mills Solid carbide end mills for titanium and hard metal applications, available in 6, 8, or 10 flute configurations for high-speed finishing cuts delivering superior surface finishes and strong cutting edges.
• SS/MSS and SR/MSR Series Miniature End Mills Miniature end mills for extreme precision micro-machining with cutting diameters starting at 0.005 inches and tolerances in microns (0.000039 inches), optionally available with CVD diamond coating for medical, dental, and aerospace micro-machining.
• Miniature Carbide End Mills Micro end mills in SS and SR series with cutting diameters starting at 0.005 inches and micron-level tolerances, designed for extreme precision micromachining in medical devices, dental appliances, and aerospace components.
• Tools for Titanium Machining XF, XG, and X-Series solid carbide tools specifically engineered for titanium and super alloy machining, with optimized geometries, coatings, and integrated trochoidal machining techniques.
• PCD Diamond Tools Polycrystalline diamond (PCD) tipped cutting tools including PCD W-Point drills and CPCD-203 PCD trimming routers designed for carbon fiber reinforced polymer (CFRP) and abrasive composite materials in aerospace applications.
• CPCD-203 PCD Trimming Router PCD trimming router designed specifically for carbon fiber reinforced polymer (CFRP) aerospace skins, achieving 13,000 linear feet per tool and reducing cycle time by 400% (from 20 minutes to 5 minutes) for commercial aerospace customers.
• PCD W-Point Drills Solid PCD-tipped W-Point drills with 135°/20° 8-facet tip geometry for drilling carbon fiber composites without delamination, delivering clean holes and 25x longer tool life than competing carbide drills (4,000+ holes versus 160 holes).
• Solid Carbide Slitting Saws Premium solid carbide slitting saws for high-speed cutting with thicknesses ranging from 0.002 inches to 0.250 inches, available with K-Series deep-cut capability and thru-coolant arbor options enabling up to 200% performance increases.
• Speeds and Feeds Calculator Web-based speed and feed calculator providing recommendations for any material, grade, or machining application in both metric and standard units, including tool recommendations and troubleshooting, built on over 50 years of RobbJack machining expertise.
• Custom Tool Solutions Custom solid carbide tool design and manufacturing services for complex machining challenges requiring creative, tailored solutions beyond standard catalog tools, with quote-based pricing and direct application engineering support.
• Regrinding Services Tool regrinding and resharpening services to restore cutting performance and extend the usable life of existing RobbJack solid carbide cutting tools.

Quantifiable outcome

• Up to 500% increased output for firearms manufacturers on existing equipment
• +5 more outcomes

Named customers4 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

One partnership is on record.

• CrystallumecoreTechnology or IntegrationSister company that developed and manufactures DCC (Diamond Coated Carbide) diamond coating technology. Crystallume first developed diamond coating for carbide tools in NCMS project (completed 1993) and further developed through NIST-funded project with Boeing, General Motors, Ford, and Hughes (completed 1998). Operates 10 diamond coating systems 24/7 at Santa Clara, CA facility, producing more CVD diamond than any other company in the world.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Mitsubishi Materials (Cutting Tools): Japanese carbide toolmaker producing indexable inserts, end mills and drills for aerospace and automotive customers worldwide. Direct competitor to RobbJack in solid carbide end mills and aluminum/titanium tooling, with a much larger global installed base.
• Sandvik Coromant: Division of Sandvik AB and one of the world's largest metal-cutting tooling suppliers, offering carbide inserts, end mills, drills and toolholding across aerospace, automotive and general engineering. Comparable end-product categories to RobbJack but vastly larger scale and global reach.
• OSG Corporation: Large Japanese manufacturer of taps, end mills, drills and PCD/CBN tooling with global aerospace and automotive customer base. Overlaps with RobbJack across solid carbide end mills, drills and PCD diamond tools but competes from a much broader catalog and global distribution footprint.
• Walter Tools (Walter AG): German precision tooling brand under United Grinding Group offering indexable inserts, solid carbide drills and end mills for aerospace and general engineering. Overlaps RobbJack's titanium, aluminum and hardened-material tooling, particularly in European aerospace programs.
• Kennametal Inc. U.S.-listed industrial tooling and engineered materials company producing metalcutting inserts, end mills, drills and toolholding for aerospace, defense, automotive and energy. Comparable product overlap with RobbJack's carbide and PCD lines, but operates at enterprise scale with a much broader portfolio.
• Iscar (IMC Group): Israeli metal-cutting tools major owned by IMC Group, producing carbide inserts, end mills, drills and PCD tooling for aerospace, automotive and die/mold. Competes with RobbJack across end mills and hard-metal tooling but operates at global enterprise scale.

Direct peers

• Harvey Tool: U.S.-based specialty manufacturer of carbide end mills, drills and cutting tools serving aerospace, medical and high-precision machining customers. Closely comparable to RobbJack in product mix (solid carbide end mills, custom tools), specialty niche focus, and North American direct/distributor sales model.
• Guhring: German-founded manufacturer of precision carbide drills, end mills and reamers with strong U.S. operations. Closely comparable to RobbJack in solid carbide cutting tools, tight tolerances and aerospace/automotive customer focus.
• YG-1: Korean manufacturer of solid carbide cutting tools (end mills, drills, taps) with global distribution. Comparable to RobbJack in core carbide end mill and drill categories serving aerospace and automotive, with a similarly broad standard-catalog-plus-custom approach.
• Kyocera Precision Tools: U.S. subsidiary of Kyocera Group manufacturing indexable inserts, end mills and drilling tools for aerospace, medical and general machining. Directly overlaps RobbJack's solid carbide end mill portfolio and serves similar high-precision, regulated end markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/robbjack-corporation

Compliance5 records

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 RobbJack