BUMAX
- Company typePrivate
- Founded1899
- HeadquartersÅshammar, Sweden
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
BUMAX firmographics
Firmographics- Name
- BUMAX
- Legal name
- BUMAX AB
- Website
- https://bumax-fasteners.com
- Company type
- Private
- Founded year
- 1899
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Ownership category
- akta.pro rank
BUMAX industry classification
Industry- Product category
- Industrial Stainless Steel Fasteners
- NAICS
- Bolt, Nut, Screw, Rivet, and Washer Manufacturing (332722), Turned Product and Screw, Nut, and Bolt Manufacturing (33272), Precision Turned Product Manufacturing (332721)
- SIC
- Bolts, Nuts, Screws, Rivets & Washers (3452), Screw Machine Products (3451)
- akta.pro primary industry
- Aerospace Fasteners & Hardware (IMABANAA)
Keywords
Where BUMAX is headquartered
LocationHeadquarters
- HQ city
- Åshammar
- HQ country
- Sweden
- HQ region
- Europe
Offices4 records
Markets served
BUMAX business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Standard Fastener Products: BUMAX sells standardized premium stainless steel fasteners (bolts, nuts, washers, studs, screws) through global distribution network. Products available off-the-shelf in standard dimensions.
- Custom/Special Fastener Solutions: Custom-designed fasteners developed in collaboration with customers for specific applications. Design consultation periods of 6-18 months. Unique 'impossible' nuts and bolts developed for demanding applications.
- Bufab Trading Services: As part of Bufab Group, BUMAX has access to Bufab's Global Parts Productivity services including supply chain management, quality, procurement and logistics for C-class components.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Standard stock products available through global distributor network |
Go-to-market motion2 records
Distribution channels6 records
Marketing channels7 records
BUMAX product offering
Product offeringCore offering
BUMAX manufactures premium stainless steel fasteners (bolts, nuts, washers, studs, screws) in proprietary grades (BUMAX 88, 109, DX 129, SDX NORSOK, Lock, Hard) for demanding industrial applications. Products are cold-forged and roll-threaded at the Åshammar, Sweden facility from 100% European-sourced raw materials with full traceability. Standard stock items are sold through a global distributor network, while custom "impossible" fasteners are developed in collaboration with enterprise OEM engineering teams.
Product overview
BUMAX manufactures premium stainless steel fasteners as a portfolio of standardized products and custom solutions. The core product range includes specialized fastener grades: BUMAX 88 (premium 316L High Mo with enhanced corrosion resistance and yield strength of 640 MPa), BUMAX 109 (strongest A4 fastener on the market with higher tensile strength), and BUMAX DX 129 (world-unique duplex stainless steel with tensile strength minimum 1,200 MPa). Supporting products include BUMAX SDX NORSOK (NORSOK-certified super duplex fasteners), BUMAX Lock (all-metal lock nut), and BUMAX Hard (acid-proof self-tapping screws). Standardized products cover hexagon bolts/screws, nuts, washers, studs, socket head cap screws, and countersunk screws across these grades. Custom special products are developed in partnership with customers for unique requirements. All products are manufactured in Åshammar, Sweden, from European-sourced stainless steel with full traceability.
Differentiator
Problem solved
Functional benefit
Brands
- BUMAX 88: Premium A4 stainless steel fastener with enhanced molybdenum content (2.5%), providing superior yield strength (min 640 MPa), corrosion resistance, and low magnetic permeability.
- BUMAX 109
- BUMAX DX 129
- BUMAX SDX NORSOK
- BUMAX Lock
- BUMAX Hard
- BUMAX Ultra
Products and services
- BUMAX 88
- BUMAX 109
- BUMAX DX 129
- BUMAX SDX NORSOK
- BUMAX Lock
- BUMAX Hard (including Hard Taptite)
- BUMAX Smart Bolts with Strainlabs Sensors
- Hexagon Head Bolts and Screws
- Hexagon Nuts
- Plain Washers
- Studs and Stud Bolts
- Hexagon Socket Head Cap Screws
- Countersunk Screws
- Special Products (Custom "Impossible" Fasteners)
Quantifiable outcome
- BUMAX DX 129 achieves approximately 30% longer fatigue life compared to carbon steel 12.9
- +3 more outcomes
Companies that use BUMAX
Customer profileNamed customers11 records
Segments10 records
Ideal customer profiles4 records
BUMAX technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration1 record
Feature7 records
BUMAX partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered core, flagship and notable.
- StrainlabscorePartnership to integrate Strainlabs sensor technology into BUMAX bolts, enabling built-in preload sensors for remote preload monitoring, analysis and insights. Smart bolts available in BUMAX 88 and BUMAX 109 from dimensions M10 to M27. First application on Øresund Bridge railway track for particle magnet monitoring.
- Astra Industrial InnovationscoreAstra Industrial Innovations appointed as first distribution partner in South Africa in April 2025, making BUMAX products more easily accessible in the South African market.
- Star Stainless Screw CompanyflagshipStar Stainless Screw Company (part of LindFast Solutions Group) appointed as master distribution partner in the United States in August 2024. One-year anniversary expansion announced in June 2025. Partnership provides premium stainless steel fasteners with robust supply chain and rapid availability to engineers, buyers and distributors across North America.
- Etra OycoreEtra Oy became approved BUMAX distributor in Finland in February 2023, strengthening end-user customer access to high-strength stainless steel fasteners in the Finnish market.
- Bufab GroupcoreBUMAX is a fully owned brand of the listed Swedish Bufab Group. Bufab is a global leader in C-parts management with operations in 27 countries and approximately 1,000 employees. Bufab provides Global Parts Productivity services including manufacturing, quality, procurement and logistics solutions.
- TNO (Netherlands Organisation for Applied Scientific Research)notableTNO facilitated delivery of special BUMAX DX 129 variant to NASA within 24 hours for space applications. The special fasteners were needed for their high strength and non-galling properties due to high cleanliness requirements preventing use of traditional lubricants.
- CeJacket ProjectnotableDanish research project (2017-2020) investigating bolted connections for modular jacket foundations in offshore wind turbines. BUMAX and Bufab Denmark supplied BUMAX 88 fasteners for testing in splash zone conditions. Project demonstrated no pitting, crevice corrosion or cracks after seawater exposure testing.
Scale indicators5 records
Recent moves7 records
Expansion highlights7 records
BUMAX competitors and assessment
Company assessmentDirect peers
- LISI Group: French-listed global manufacturer of aerospace and automotive fasteners. Most direct comparable to BUMAX given its focus on high-strength, high-spec fasteners for aerospace, defense, and critical structural applications with comparable certifications and customer profiles.
- Bossard Group: Swiss-listed premium fastener specialist providing engineering and logistics services for industrial fastening solutions. Comparable to BUMAX in its focus on high-performance fasteners, technical consulting, and global distribution to demanding industrial customers.
- MacLean-Fogg Company: US private manufacturer of engineered fasteners and components for automotive, energy, and industrial markets. Direct comparable to BUMAX in its focus on high-strength, high-specification fasteners for demanding applications including energy and infrastructure.
- Lindapter International: UK manufacturer of steel clamping and fastening solutions for construction and infrastructure. Comparable to BUMAX in its specialty focus on engineered structural fasteners with high strength-to-corrosion performance for bridges, buildings, and offshore applications.
- Infasco: Canadian manufacturer of large-diameter structural bolts and fasteners for construction, infrastructure, and energy markets. Comparable to BUMAX in its specialty focus on high-strength, large-format fasteners for critical infrastructure projects.
Broad incumbents
- Precision Castparts (PCC Fasteners): Berkshire Hathaway-owned aerospace fasteners and structural components manufacturer. Serves overlapping aerospace/defense customers as BUMAX but at vastly larger scale and broader product portfolio including titanium and specialty alloys.
- Würth Group: German family-owned global market leader in fastening and assembly materials with €20B+ revenue. Overlaps BUMAX in industrial fastener distribution and premium product lines, though at much greater scale and across a broader hardware portfolio.
- Illinois Tool Works (ITW): US-listed diversified industrial manufacturer with significant fasteners and components segments serving automotive, construction, and industrial markets. Provides relevant comparability on enterprise-grade fastening solutions and engineered components.
Regional players
- NORMA Group: German-listed specialist in engineered joining technology serving automotive, industrial, and water management customers in EMEA. Comparable to BUMAX in premium engineered fastening solutions for industrial applications, with overlapping European customer base.
Others
- Fastenal Company: US-listed industrial fastener distributor and manufacturer with global footprint. Comparable to BUMAX on the distribution-side mechanics, but Fastenal operates as a high-volume fastener and industrial supply distributor rather than a specialty manufacturer of premium stainless fasteners.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
BUMAX social profiles
Digital presenceBUMAX compliance and trust
Trust signalCompliance10 records
BUMAX financial estimates
Financial estimateRevenue estimate
Valuation estimate
BUMAX leadership team
Management profileNumber of profiles
Profiles7 records
BUMAX funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
BUMAX M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about BUMAX
What does BUMAX do?
BUMAX manufactures premium stainless steel fasteners (bolts, nuts, washers, studs, screws) in proprietary grades (BUMAX 88, 109, DX 129, SDX NORSOK, Lock, Hard) for demanding industrial applications. Products are cold-forged and roll-threaded at the Åshammar, Sweden facility from 100% European-sourced raw materials with full traceability. Standard stock items are sold through a global distributor network, while custom "impossible" fasteners are developed in collaboration with enterprise OEM engineering teams.
Is BUMAX a public or private company?
BUMAX is a private company. It is classified as corporate owned and is currently operating.
When was BUMAX founded?
BUMAX was founded in 1899. It employs 51 to 100 people.
Where is BUMAX based?
BUMAX is headquartered in Åshammar, Sweden, in the Europe region.
How does BUMAX make money?
Three revenue lines are on record. Standard Fastener Products are the primary driver. The others are custom/Special Fastener Solutions and bufab Trading Services.
Who are BUMAX's main competitors?
Direct peers on record are LISI Group, Bossard Group, MacLean-Fogg Company, Lindapter International and Infasco. Broad incumbents are Precision Castparts (PCC Fasteners), Würth Group and Illinois Tool Works (ITW). NORMA Group is listed as a regional player. Fastenal Company is listed as an others.
Does BUMAX have an API?
No public API is recorded for BUMAX.
What industry is BUMAX in?
BUMAX's product category is Industrial Stainless Steel Fasteners. Its primary akta.pro industry code is IMABANAA, Aerospace Fasteners & Hardware. Its NAICS code is 332722 and its SIC code is 3452.