Stafford Special Tools

What Stafford Special Tools does

Stafford Special Tools (SST) is a U.S.-based manufacturer of precision knurling tools and accessories, established in 1961 and operating as a division of Form Roll Die Corporation from its base in Worcester, Central Massachusetts. The company serves manufacturing customers — including contract machining operations in Central Massachusetts — with a catalog centered on knurls (circular pitch, diametral pitch, and conical variants), a full line of knurl holders (bump, compact straddle, heavy-duty straddle, self-centering, end-feeding, internal, face, and conical), rolling heads (2-die turret mounted, 3-die end rolling, precision synchronized, and heavy-duty synchronized), synchronizing gears, full-form relief dies, and carbide and steel knurl pins. SST also designs and manufactures custom tools for specialty applications including spline rolling, where customer-supplied specifications drive engineering deliverables beyond the stock catalog.

The underlying technical offering is a depth-narrow, width-wide physical tooling portfolio: many SKUs across styles (right/left hand, female/male diamond, straight, axial feed), TPI/DP configurations, and holder geometries, supported by engineering consultation for tool selection. The core technology is precision knurling hardware rather than software, and no AI/ML or digital platforms are involved in the product itself. Go-to-market is direct e-commerce (ZenCart storefront at knurls-sst.com with downloadable PDF catalog and online RFQ form) complemented by toll-free and local phone sales for consultation and catalog requests. Commercial terms are quote-based for custom/special orders and unit-priced for catalog items, with prices ranging from roughly $15 for standard circular pitch knurls to $2,900 for heavy-duty synchronized rolling heads, and payment arranged after purchase order receipt rather than at checkout.

The revenue model is a one-time product sale model on a pay-as-you-go basis, with no recurring or subscription component and no online credit card processing. Customer segmentation is horizontal within the manufacturing industry — the company does not target named enterprise accounts and select_customers is empty in the source data. Stafford Special Tools holds BBB Accredited Business status with an A rating and positions its catalog as Made in USA. With a headcount band of 11-50 employees, no disclosed funding, and no public financial filings, the company operates as a privately held niche specialist distributed through the Form Roll Die parent entity.

Name

Stafford Special Tools

Legal name

Stafford Special Tools, Inc.

Website

https://knurls-sst.com

Company type

Private

Founded year

1961

Operating status

Operating

Headcount range

11–50 employees

Short description

Stafford Special Tools is a Central Massachusetts-based manufacturer founded in 1961 that produces precision knurls, knurl holders, rolling heads, and related tooling for U.S. manufacturing and contract machining customers, selling direct via e-commerce, catalog, and phone-based quoting as a division of Form Roll Die Corporation.

Ownership category

akta.pro rank

Product category

Precision Knurling Tools

NAICS

Special Die and Tool, Die Set, Jig, and Fixture Manufacturing (333514), Saw Blade and Handtool Manufacturing (332216)

SIC

Cutlery, Handtools & General Hardware (3420)

akta.pro primary industry

Metal Forming & Fabrication Machines (Presses, Bending, Shearing, Stamping) (IMAHADAC)

Keywords

• Precision knurling tools
• Knurl holders
• Rolling heads
• Spline rolling tools
• Metalworking tooling

Headquarters

HQ city

Worcester

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, Marketing or Sales

Revenue model

1. Product Sales: One-time product sales of precision knurling tools, knurl holders, knurls, rolling heads, and related accessories. Payment is handled after purchase order receipt - no credit card info taken online.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels2 records

Core offering

Stafford Special Tools manufactures precision knurling tools, knurl holders, rolling heads, and knurl pins for industrial metalworking applications. The product line includes circular pitch knurls, diametral pitch knurls, conical knurls, multiple types of knurl holders (bump, straddle, self-centering, end feeding, internal, face, conical), synchronized and unsynchronized rolling heads, and synchronizing gears. The company also designs and manufactures custom tools for specialty applications including spline rolling.

Product overview

Stafford Special Tools (SST), a division of Form Roll Die Corporation established in 1961, offers a comprehensive portfolio of precision knurling tools and accessories for manufacturing applications. The product line centers on knurls (circular pitch, diametral pitch, and conical types) and knurl holders (bump type, compact straddle, heavy-duty straddle, self-centering, end-feeding, internal, face, and conical holders), complemented by rolling heads (2-die turret mounted, 3-die end rolling, precision synchronized, and heavy-duty synchronized variants), synchronizing gears, full-form relief dies, and knurl pins (carbide and steel). The company also provides custom/special knurls and spline rolling tools for specialized applications. Products are sold through a standard e-commerce platform with most items in stock for immediate delivery.

Differentiator

Problem solved

Functional benefit

Products and services

• Knurls Precision knurls available in circular pitch (BP, EP, GK, PH series), diametral pitch (BPR, BPS series), conical (KT series at 15°, 22°, 30°, 45°), and full-form relief head knurl configurations. Offered with various TPI/DP measurements, hand orientations, and tooth counts for knurling operations on machined workpieces.
• Knurl Holders Complete line of precision knurl holders including Bump Type, Up to Shoulder Bump, Angular Bump, Round Shank Bump, Compact Straddle (standard and pocket shank), Heavy Duty Straddle, Self-Centering, End Feeding, Internal Knurling, Face Knurling, Conical Knurl, and Shank Conical Knurl holders for various knurling operation requirements.
• Rolling Heads Rolling heads for knurling operations including 2-Die Turret Mounted Unsynchronized heads, 3-Die End Rolling Heads Unsynchronized (e.g., 080P-12 model with 0.05-0.50 work capacity), Precision Synchronized Rolling Heads, and Heavy-Duty Synchronized Rolling Heads (e.g., 300G-32 model with 0.50-1.4 work capacity). Used for high-accuracy and high-capacity knurling on various workpiece sizes.
• Knurl Pins Knurl pins available in carbide (for high-wear applications requiring superior hardness and tool life) and steel (for standard knurling applications with good durability at economical pricing).
• Rolling Head Accessories Synchronizing gears (EM3, ER3, CJ3, NM3 configurations for various head models) and full-form relief dies for end rolling heads (KP3, PI3, QN3, RR3, SM3 configurations for H-series heads).
• Custom Tool Design and Manufacturing Custom-designed knurls and tooling manufactured to customer specifications for unique or specialized knurling applications, including spline rolling applications. Quote-based pricing, submitted via RFQ form on the company website.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators2 records

Recent moves4 records

Expansion highlights2 records

Broad incumbents

• Sutton Tools: Established global cutting and hand tool manufacturer with an industrial product line that includes knurling-related tools. Overlaps with SST on the manufacturing-tools buyer and competes for share-of-wallet in machine shops.
• Kennametal: Large global tooling manufacturer with a broad metalworking portfolio. While knurling is a niche within its offering, Kennametal competes for the same industrial procurement budgets and could expand into specialty knurling.
• Sandvik Coromant: World-leading metal cutting tooling supplier serving the same industrial machining customers. Represents a potential competitive and channel threat as a broad-line incumbent that could bundle or expand into knurling tools.
• Form Roll Die Corporation: Parent company of SST and a manufacturer of roll form dies and form tooling. Adjacent in metal forming tooling and the structural owner of SST, making it both a peer in the broader form-tooling space and a controlling entity.

Direct peers

• Hommel Hercules: German manufacturer of precision knurling tools and rolling heads. Comparable in product scope (knurls, holders, rolling heads) and serves the same metalworking tooling end market with a strong custom-tooling offering.
• Glendo Corporation: U.S. precision tooling manufacturer specializing in knurling tools, knurl holders, and similar metalworking accessories. Directly comparable product line, customer base (industrial machine shops), and go-to-market approach to SST.
• EDWARDS (knurling tools, UK): UK-based knurling tool and holder manufacturer. Overlapping catalog of bump, straddle, and end-feeding knurl holders targeting the same machining and toolroom customers as SST.
• Bordo International: Australian-based manufacturer of knurling tools and knurl holders with global distribution. Offers near-identical knurl and holder SKUs to SST and serves the same machine-shop and contract-manufacturing customers.

Emerging players

• Dorian Tool: U.S. manufacturer of specialty cutting tools, tool holders, and inserts. Competes with SST in metalworking tooling SKUs and shares the domestic manufacturing customer base, though knurling is not its primary focus.
• M.A. Ford: U.S. cutting tool manufacturer serving aerospace, automotive, and general machining markets. Comparable in size and customer profile to SST, with partial overlap in industrial tooling categories sold to the same machine-shop buyers.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/KnurlsSST

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

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 Stafford Special Tools