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JOKARI – Fertigung

Manufacturer of cable and wire stripping and jacket removal tools – 100 % Made in Germany

JO

JOKARI GmbH & Co. KG

Ascheberg-Herbern (DE)New on Amplifa

1969Foundation of the company JOKARI
1966Patent for the first cable knife by Josef Krampe
Ascheberg-Herbern
3rd GenerationOwner-managed family business

About JOKARI

JOKARI GmbH & Co. KG is an owner-managed family business from Ascheberg-Herbern in the Münsterland region and a specialist in stripping and jacket removal technology for all types of cables and wires. The portfolio includes cable knives, stripping pliers and jacket removers for virtually all application areas in which cables must be processed simply, quickly and precisely – from the electrical trade to industry, power generation and telecommunications through to building technology. The entire value chain, from development and in-house toolmaking and plastics injection moulding to production, warehousing and logistics, takes place at the Ascheberg site. Materials used include hardened special and knife blade steel with titanium nitride coating as well as plastic parts made of polyamide and thermoplastic elastomers, some produced as two-component injection moulding. With few exceptions, the tools are TÜV and GS tested and are distributed via a partner network in Europe, Asia and North America. In 1966, company founder Josef Krampe received the patent for the first cable knife; today the family is already running the company in its third generation.

Site
Ascheberg-Herbern
Processes
Plastics injection moulding, Toolmaking, Two-component injection moulding (2K handles), Heat treatment of steel blades (hardened and tempered), Pre-assembly (partly in workshops for people with disabilities), Cable database for tool recommendations, Spare parts and repair service, Training materials for vocational schools
Materials
Polyamide (PA), Thermoplastic elastomer (TPE), Strip steel, hardened, Special steel, hardened and tempered, titanium nitride coated, Special knife blade steel, hardened, titanium nitride coated, Special steel, hardened and tempered, Special knife blade steel, hardened
Certificates
TÜV and GS testing (products, with few exceptions), TÜV/GS testing (products, with few exceptions)
Founded
1969
Industries
Electrical installation/Electrical trade, , Telecommunications, Transport & Traffic (car workshop, charging stations/wallboxes, aviation), , Building technology
  1. 01

    Product development (R&D)

  2. 02

    Toolmaking

  3. 03

    Plastics injection moulding (PA, TPE, 2K handles)

  4. 04

  5. 05

    Pre-assembly (partly in workshops for people with disabilities)

  6. 06

    Warehousing and logistics

  7. 07

    Worldwide distribution via partner network

Materials & Processes

SP

Special steel, hardened and tempered

Material for cable knife and plier blades with titanium nitride coating.

SK

Special knife blade steel, hardened

Hardened blade steel with titanium nitride coating for precise stripping results.

BS

Strip steel, hardened

Material for wear-resistant blades and cutting parts.

PA

Polyamide (PA)

Plastic for handles and base bodies of the stripping tools from our own injection moulding shop.

TPE

Thermoplastic elastomer (TPE)

Soft component for two-component handles in injection moulding.

Sites

Standort Ascheberg-Herbern

Ascheberg-Herbern

DE

Headquarters with production, toolmaking, plastics injection moulding, warehousing and logistics

Materials
Polyamide (PA), TPE, special steel, knife blade steel, strip steel
  • Plastics injection moulding (incl. 2-component injection moulding)
  • Toolmaking

Products & Components

Cable Knife System 4-70
Cable Knife System 4-70Blades made of hardened special steel · Electrical installation
Stripping Plier Sensor Special
Stripping Plier Sensor SpecialInjection moulding/steel · Industry
Jacket Remover PV-Strip Pro
Jacket Remover PV-Strip ProSteel blade with TiN coating · Photovoltaics
Stripping Plier SECURA 2K
Stripping Plier SECURA 2K2-component injection moulding · Electrical trade
Flush Box Jacket Remover JOKARI XL
Flush Box Jacket Remover JOKARI XLSteel/plastic · Electrical installation

Inside the production

About JOKARI – Insights into the company
About JOKARI – Insights into the company
60 Years of Cable Knife – Anniversary Campaign
60 Years of Cable Knife – Anniversary Campaign
Tool Overview JOKARI Tools
Tool Overview JOKARI Tools
JOKARI Tools in Use
JOKARI Tools in Use
Plus X Award “High Customer Satisfaction 2026/2027”
Plus X Award “High Customer Satisfaction 2026/2027”
Cable Database for Tool Recommendations
Cable Database for Tool Recommendations
Cable Database – Matching Tool per Cable Type
Cable Database – Matching Tool per Cable Type
Stripping Plier Sensor Special in Use
Stripping Plier Sensor Special in Use

Industries

Electrical installation/Electrical tradeTelecommunicationsTransport & Traffic (car workshop, charging stations/wallboxes, aviation)Building technologyPlumbing (air conditioning, ventilation, heating, heat pumps)Event and media technologyDIYTelecommunications (telephone systems, mobile communications, cable TV, fibre

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Tool Manufacturing/Hand Tools––––Polyamide (PA), Thermoplastic elastomer (TPE), Strip steel, hardened, Special steel, hardened and tempered, Special knife blade steel, hardened, Titanium nitride coating
Plastics injection mouldingPlastics––––Polyamide (PA), Thermoplastic elastomer (TPE)
ToolmakingEngineering–––––
Two-component injection moulding (2K handles)Plastics––––Polyamide (PA), Thermoplastic elastomer (TPE)
Heat treatment of steel blades (hardened and tempered)Heat Treatment––––Special steel, Special knife blade steel
Pre-assembly (partly in workshops for people with disabilities)Assembly–––––

Additional services

Cable database for tool recommendationsSpare parts and repair serviceTraining materials for vocational schoolsVocational school support programmeDownload area (operating instructions, datasheets, media)Dealer searchTool recommendation

Quality

The tools from the product areas of cable knives, stripping pliers and jacket removers are TÜV and GS tested, with few exceptions. All production takes place at the Ascheberg-Herbern site – 100 % Made in Germany.

EvidenceAscheberg-Herbern
TÜV/GS testing (products, with few exceptions)

History

  1. 1949

    Opening of the electrical installation business in Herbern by master electrician Josef Krampe

  2. 1957

    Patent for an automatic cord winder for dry shavers, later sold to the company Braun

  3. 1966

    Patenting of the first JOKARI cable knife by Josef Krampe

  4. 1969

    Foundation of the company JOKARI (JO=Josef, KA=Krampe, RI=daughter Maria)

  5. 1974

    Transformation from an electrical trade business into an industrial company; construction of a production hall with office wing in Ascheberg-Herbern

  6. 1983

    Electrical business discontinued; focus on stripping tools; 2nd generation (Maria and Heinrich Grosserichter) takes over

  7. 1984

    Production expansion and establishment of an in-house plastics injection moulding shop

  8. 1988

    Start of own worldwide distribution

  9. 1999

    Introduction of two-component handles as a new manufacturing process

  10. 2004

    Expansion of production and warehouse capacity through land purchase

  11. 2006

    Carsten Bünnigmann becomes Managing Director, entry of the 3rd generation

  12. 2009

    Substantial expansion of the production facility

  13. 2026

    60 Years of Cable Knife – limited anniversary edition of the System 4-70 cable knife

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