Fasteners, fastening technology, special and drawing parts with C-parts management and an in-house testing laboratory.
Keller & Kalmbach GmbH & Co. KG
Unterschleißheim (Company headquarters) · Hilpoltstein (Central warehouse) · Bielefeld · Leipzig · Neuss · Regensburg · Straubing · Würzburg · Erkrath (IEW GmbH)New on Amplifa
About Keller & Kalmbach
Founded in 1878, Keller & Kalmbach is a family-owned company headquartered in Unterschleißheim near Munich and is one of the leading suppliers of fasteners and fastening technology in Germany. The product range comprises more than 150,000 items, including DIN standard parts such as screws, nuts, washers, pins and parallel keys as well as fastening technology, tools, industrial parts and structural steel assortments per DIN EN 1090. As a specialist for special and drawing parts, the company supplies turned parts, milled parts, punched and bent parts, cold-forged (impact extruded) parts and plastic parts in all materials, grades and surface finishes – from small quantities to large series. Its core competency is C-parts management with Kanban and RFID logistics systems as well as the software platform Logtopus. At its Hilpoltstein site, Keller & Kalmbach operates a central warehouse with its own quality department and testing laboratory. Customers come from the automotive and commercial vehicle industry, mechanical and plant engineering, the rail industry, aerospace, the electrical and construction industries. With 1,000 employees, the group generates revenue of more than EUR 425 million.
- Site
- Unterschleißheim
- Processes
- Turned parts (supply of drawing parts), Milled parts (supply of drawing parts), Punched parts (supply of drawing parts), Bent parts (supply of drawing parts), Cold-forged / impact extruded parts (supply of drawing parts), Plastic parts (supply of drawing parts), Surfaces/coatings for drawing parts, 3D printing service (additive manufacturing of customized components)
- Materials
- Steel (screws, strength class 10.9), Plastic, Steel, strength class 10.9 (HV assemblies), DIN / standard parts, Special and drawing parts, Plastic parts, Additive manufacturing (3D printing service), Surfaces and coatings
- Certificates
- DIN EN ISO 9001:2015, VDA 6.2, DIN EN 15048 (DVS), ISO 14001:2015, EMAS, TISAX, ISO 9001, ISO 14001, EN 15048 (DVS)
- Founded
- 1878
- Employees
- 1000
- Industries
- Automotive and commercial vehicle industry, Mechanical and plant engineering, Rail industry, Agricultural and construction machinery industry, Aerospace, Electrical industry
- 01
Engineering and application technology (drawing parts, design consulting)
- 02
Procurement via an audited worldwide supplier pool
- 03
Quality assurance in the Hilpoltstein testing laboratory (hardness, tensile,
- 04
Central warehouse and distribution Hilpoltstein
- 05
C-parts management with Kanban and RFID logistics systems at the customer
- 06
eBusiness: online shop, OCI/PunchOut, e-catalogs, EDI, scanner
Products, Materials and Processes
Steel, strength class 10.9 (HV assemblies)
High-strength bolt assemblies for structural steel construction per DIN EN 1090, e.g. halls, bridges, industrial buildings and wind turbines.
DIN / standard parts
Screws, nuts, bolts, washers, pins, cotter pins, parallel keys and other C-parts for joining metal, plastic and wood components.
Special and drawing parts
Turned parts, milled parts, punched and bent parts as well as cold-forged (impact extruded) parts produced to CAD drawing in all materials, grades and surface finishes.
Plastic parts
Plastic parts as drawing parts in customer-specific quantities and tolerances.
Additive manufacturing (3D printing service)
High-precision additive manufacturing processes for customized components.
Surfaces and coatings
Drawing parts with any surface or coating, including tested electroplated coatings such as ZnFe and ZnNi/Fe.
Locations
Unterschleißheim
DECompany headquarters (since 2001), business units for automotive manufacturers and corporate customers
Hilpoltstein
DECentral warehouse and distribution center (An der Autobahn K3), quality department and testing laboratory since 2009
- Materials
- Steel (strength class 10.9), plastic
- Tensile testing machine up to 60 tonnes of tensile force (max. M30 10.9)
- DuraScan hardness tester (EmcoTest, HV 0.01 to HV10)
- FARO coordinate measuring machine (measuring arm)
- FISCHERSCOPE X-ray fluorescence measuring instrument (Fischer)
- Friction coefficient testing device (Kistler Group)
- Salt spray test chamber per DIN EN ISO 9227
- Contourograph
- Mobile eddy current testing device (IBG)
- Stationary spectrometer (FE-based alloys)
- Electrolytic polishing unit LectroPol-5
Bielefeld
DEBranch office (Herforder Str. 69)
Leipzig
DEBranch office (Torgauer Str. 233)
Neuss
DEBranch office (Hansemannstr. 65)
Regensburg
DEBranch office with sales store (Im Gewerbepark D7)
Straubing
DEBranch office (Borsigstr. 19)
Würzburg
DEBranch office (Ohmstr. 4)
Erkrath
DEIEW GmbH – specialist for drawing parts, 100% subsidiary since 01.01.2023
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Turned parts (supply of drawing parts)Machining | – | – | – | Small quantities – Large series | all materials |
| Milled parts (supply of drawing parts)Machining | – | – | – | Small quantities – Large series | all materials |
| Punched parts (supply of drawing parts)Forming | – | – | – | Small quantities – Large series | all materials |
| Bent parts (supply of drawing parts)Forming | – | – | – | Small quantities – Large series | all materials |
| Cold-forged / impact extruded parts (supply of drawing parts)Forming | – | – | – | Small quantities – Large series | all materials |
| Plastic parts (supply of drawing parts)Plastics | – | – | – | Small quantities – Large series | plastic |
| Surfaces/coatings for drawing partsSurface | – | – | – | – | all materials |
| 3D printing service (additive manufacturing of customized components)Additive | – | – | – | – | – |
| Hardness testing (testing service, HV 0.01 to HV10)Testing | – | – | – | – | metal |
| Dimensional inspections (FARO measuring arm, contourograph)Testing | – | – | – | – | metal |
| Tensile testing up to 60 tonnes of tensile force (max. M30 10.9)Testing | – | – | – | – | steel |
| Salt spray testing (corrosion testing per DIN EN ISO 9227)Testing | – | – | – | – | metal |
| Eddy current testing (non-destructive, e.g. 100% hardness testing of screws)Testing | – | – | – | – | metal |
| Friction coefficient testing on screwsTesting | – | – | – | – | metal |
| Spectral analysis / material analysis (FE-based alloys)Testing | – | – | – | – | steel |
| X-ray fluorescence analysis (coating thickness / material analysis, electroplated coatings such asTesting | – | – | – | – | metal |
| Application technology / engineering consulting (drawing parts, design support)Engineering | – | – | – | – | – |
10 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Tensile testing machine | – | – | up to 60 tonnes of tensile force (max. M30 10.9) | – | Hilpoltstein |
| Hardness tester | EmcoTest DuraScan | – | HV 0.01 to HV10 | – | Hilpoltstein |
| Coordinate measuring machine (measuring arm) | FARO | – | – | – | Hilpoltstein |
| X-ray fluorescence measuring instrument | Fischer FISCHERSCOPE | – | – | – | Hilpoltstein |
| Friction coefficient testing device | Kistler Group | – | – | – | Hilpoltstein |
| Salt spray test chamber | – | – | Test durations 96/240/480/720 h, DIN EN ISO 9227 | – | Hilpoltstein |
| Contourograph | – | – | – | – | Hilpoltstein |
| Eddy current testing device (mobile) | IBG | – | – | – | Hilpoltstein |
| Stationary spectrometer | – | – | FE-based alloys | – | Hilpoltstein |
| Electrolytic polishing unit | LectroPol-5 | – | metallographic preparation | – | Hilpoltstein |
Additional services
Reference customers
Quality and Certifications
At the central warehouse in Hilpoltstein, Keller & Kalmbach has operated its own quality assurance with a testing laboratory since 2009, including a tensile testing machine (up to 60 t), a DuraScan hardness tester, a FARO measuring arm, an X-ray fluorescence measuring instrument, a friction coefficient testing device, a salt spray test chamber, a contourograph, an eddy current testing device and a stationary spectrometer. The quality management system is certified to DIN EN ISO 9001:2015; for automotive customers the certification to VDA 6.2 applies, supplemented by ISO 14001, EMAS and TISAX.
| Evidence | Hilpoltstein |
|---|---|
| ISO 9001 | |
| ISO 14001 | |
| VDA 6.2 | |
| EMAS | |
| TISAX | |
| EN 15048 (DVS) |