Kolless GmbH
Germany, 28259 Bremen
Overview
About Kolless GmbH
Who we are
KOLLESS GmbH in Bremen-Huchting is an efficient manufacturing partner for sophisticated metal and welded components. As a company certified in accordance with DIN EN ISO 9001 and certified for military technology in accordance with DIN 2303, Q1/BK3, we meet high standards of quality, documentation and production safety. Our focus is on thin sheet metal processing, welding technology and apparatus construction for defense technology, mechanical engineering and maritime applications — flexible, precise and reliable.
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Bremen, Germany
Member since 2026
Employees10 - 20
Certificates1
Turnover1 - 5 Mil.
Year of foundation1970
Competencies
Technologies
Welding
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight | Material thickness |
|---|---|---|---|---|---|---|---|
Inert gas shielded arc welding (MIG/MAG) | 0–100 | from 0 mm | from 0 mm | 0–2,500 mm | — | 0–500 kg | — |
Inert gas shielded arc welding (TIG) | 0–100 | from 0 mm | from 0 mm | 0–2,500 mm | — | 0–500 kg | — |
Laser-beam welding | 1–2,500 | 25–4,500 mm | 5–4,500 mm | 5–2,000 mm | 5–1,500 mm | 0–1,000 kg | — |
Spot welding | 1–2,500 | — | — | — | — | — | 0–4 mm |
Manual electrode welding | 1–1,000 | 150–4,500 mm | 150–1,500 mm | 150–1,500 mm | 20–1,500 mm | 1–1,000 kg | 1–20 mm |
Stud welding | 1–5,000 | — | — | — | — | — | — |
Soldering | 1–250 | 50–1,000 mm | 10–250 mm | 10–250 mm | 10–250 mm | 1–15 kg | — |
Welded constructions / Structural Steelwork
| Technologies | Lotsize | Length | Width | Height | Weight |
|---|---|---|---|---|---|
Welded constructions (weldments) | 0–100 | 0–2,500 mm | 0–2,500 mm | 0–2,500 mm | 0–500 kg |
Sheet Metal Processing
| Technologies | Lotsize | Length | Width | Material thickness |
|---|---|---|---|---|
Bending / folding | 0–1,000 | 0–3,000 mm | — | 0–8 mm |
Punching / nibbling | 0–5,000 | from 0 mm | from 0 mm | 0–5 mm |
Shearing (rectangular blank/strip) | 1–5,000 | — | — | 1–5 mm |
Assembly Group Manufacturing
| Technologies | Lotsize | Length | Width | Material thickness |
|---|---|---|---|---|
Folding | 1–2,500 | — | — | 1–2 mm |
Riveting | 1–10,000 | 1–50 mm | 1–12 mm | 1–12 mm |
Drilling / Sawing
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Sawing | 1–500 | 50–6,000 mm | 5–200 mm | 5–200 mm | 5–200 mm | — |
Drilling / threading / tapping | 1–2,500 | 1–150 mm | 1–30 mm | 1–30 mm | — | 1–120 kg |
Materials
Steel
Structural steelCase hardening/tempering steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Free-cutting/mild steelTool steelSpring steelCold extruding steel
Heavy metals
Copper-zinc alloys (brass)Copper and copper alloysZinc and zinc alloysSolder
Light metals
Aluminium and aluminium alloysMagnesium and magnesium alloysTitanium and titanium alloys
Certificates
ISO 9001:2015
Contact
Location
Main locationLeerkämpe 11, 28259 Bremen, Germany
Company contact
Contact persons
SS
Simo Schlimgen
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