Procurement and supply of customer-specific fasteners, special screws, and turned and milled parts for industrial plant construction.
HSG Hanseatische Spezialschrauben GmbH
21465 Reinbek (Schleswig-Holstein)New on Amplifa
About HSG
HSG Hanseatische Spezialschrauben GmbH is a Hamburg trading company founded in 2010 and based in Reinbek that procures and distributes customer-specific fasteners. The product range includes special and drawing parts of all kinds, special screws, stud bolts and expansion bolts, fitted bolts, Stud Bolts to ANSI B16.5, Heavy Hex Nuts to ANSI B18.2.2, threaded studs DIN 976, precision and automatic turned parts, milled parts, bent, pressed and stamped parts as well as springs. Production takes place in close cooperation with certified manufacturing partners, in lot sizes from a single piece to large series. The materials program ranges from structural steels, quenched and tempered steels, free-cutting steels and heat-resistant steels to rust- and acid-resistant, Duplex and Super Duplex steels and nickel alloys such as Inconel and Hastelloy, titanium, copper and brass as well as ASTM materials. Customer-specific surface treatments and heat treatments such as nitriding and hardening processes are offered. Customer industries include pump manufacturing, valve manufacturing, mechanical and plant engineering, steel construction, the petroleum industry, pressure vessel and piping construction, shipbuilding and the chemical industry. Quotes are provided within 24 hours; express deliveries and weekend production are possible; via the smart|Kanban system customers are supplied directly.
- Site
- Reinbek
- Processes
- Special screws, stud bolts and expansion bolts, Fitted bolts, Hexagon socket head cap screws, Castle nuts, Expansion sleeves, Stud Bolts ANSI B16.5, Heavy Hex Nuts ANSI B18.2.2, Threaded studs DIN 976
- Materials
- Structural steels, quenched and tempered, free-cutting, case-hardening,, Rust- and acid-resistant as well as heat-resistant steels, Duplex and Super Duplex steels, Nickel alloys (Inconel®, Hastelloy®, Monel®, Nimonic®), Titanium Gr. 1–7, Copper, brass and copper alloys, ASTM A193/A194/A320, Surface treatment
- Certificates
- DIN EN ISO 9001:2015, ISO 9001, DIN ISO 3269 (testing procedures), DIN EN 10204 (acceptance test certificates), NACE / NORSOK, ASME / AD2000-W7 dual certification
- Founded
- 2010
- Industries
- Pump manufacturing, Valve manufacturing, Mechanical and plant engineering, Steel construction, Petroleum industry, Pressure vessel construction
- 01
Customer specification and consulting
- 02
Quote within 24 hours
- 03
Procurement from certified manufacturing partners
- 04
Surface and heat treatment according to customer requirements
- 05
Incoming goods and quality inspection per DIN ISO 3269
- 06
Acceptance test certificates and documentation
- 07
Warehousing and delivery (including Kanban/Express)
Materials and Processes
Structural steels, quenched and tempered, free-cutting, case-hardening,
Materials such as 42CrMo4, 34CrNiMo8 or 21CrMoV57 for highly stressed fasteners.
Rust- and acid-resistant as well as heat-resistant steels
Austenitic, ferritic and heat-resistant materials such as 1.4301, 1.4571 or 1.4841 for corrosion- and temperature-stressed applications.
Duplex and Super Duplex steels
Materials such as 1.4462 and 1.4501 for offshore and chemical applications with increased corrosion resistance.
Nickel alloys (Inconel®, Hastelloy®, Monel®, Nimonic®)
Highly corrosion-resistant alloys for extreme media and temperature conditions.
Titanium Gr. 1–7
For applications with high requirements on corrosion resistance at low density.
Copper, brass and copper alloys
Materials such as Kuprodur® and Cunifer® for electrically conductive or seawater-resistant components.
ASTM A193/A194/A320
English-language material standards for international projects, including B7, B8M and L7.
Surface treatment
Electroplated coatings, hot-dip galvanizing, DACROMET®, DELTA TONE®, PTFE and ceramic coatings as well as thread-locking coatings.
Heat treatment
Nitriding, induction hardening and case hardening to increase hardness and wear resistance.
Location
Reinbek
DESales, warehousing and logistics
- Materials
- Steel, stainless steel, Duplex, nickel alloys, titanium, copper alloys
- smart|Kanban Kanban system
- Warehouse and logistics space
Components and Product Range
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Special screws, stud bolts and expansion boltsJoining | – | – | – | Single pieces – Large series | Steel, Stainless steel, Nickel alloys, Titanium, Copper alloys |
| Fitted boltsJoining | – | – | – | Single pieces – Large series | – |
| Hexagon socket head cap screwsJoining | – | – | – | – | – |
| Castle nutsJoining | – | – | – | – | – |
| Expansion sleevesJoining | – | – | – | – | – |
| Stud Bolts ANSI B16.5Joining | – | – | – | – | – |
| Heavy Hex Nuts ANSI B18.2.2Joining | – | – | – | – | – |
| Threaded studs DIN 976Joining | – | – | – | – | – |
| Parallel keysJoining | – | – | – | – | – |
| Blanking plugsJoining | – | – | – | – | – |
| Precision and automatic turned partsMachining | – | – | – | Single pieces – Large series | – |
| Milled partsMachining | – | – | – | Single pieces – Large series | – |
| Nuts and washers according to customer specificationJoining | – | – | – | – | – |
| Bent, pressed and stamped partsForming | – | – | – | – | – |
| Bolts and pinsJoining | – | – | – | – | – |
| Bushings and sleevesMachining | – | – | – | – | – |
| Tie rods / anchor rodsJoining | – | – | – | – | – |
| Compression and tension springsForming | – | – | – | – | – |
| Special and drawing parts of all kindsEngineering | – | – | – | Single pieces – Large series | – |
| Electroplated coatingsSurface | – | – | – | – | – |
| Hot-dip galvanizingSurface | – | – | – | – | – |
| Zinc chromatingSurface | – | – | – | – | – |
| DACROMET® / GEOMET®Surface | – | – | – | – | – |
| DELTA TONE®Surface | – | – | – | – | – |
| DELTA SEAL®Surface | – | – | – | – | – |
| PTFE coatings (e.g. Xylan® 1070)Surface | – | – | – | – | – |
| Chemical browningSurface | – | – | – | – | – |
| Manganese phosphatingSurface | – | – | – | – | – |
| Electroless nickel platingSurface | – | – | – | – | – |
| Chrome platingSurface | – | – | – | – | – |
| Ceramic coatings (e.g. Xylar®)Surface | – | – | – | – | – |
| Thread-locking coatingsSurface | – | – | – | – | – |
| NitridingHeat treatment | – | – | – | – | – |
| Induction hardeningHeat treatment | – | – | – | – | – |
| Case hardeningHeat treatment | – | – | – | – | – |
| Testing | – | – | – | – | – |
Additional services
Reference customers
Quality
All products undergo a defined quality inspection as well as incoming goods inspection in accordance with DIN ISO 3269. Destructive and non-destructive testing is carried out in cooperation with accredited testing laboratories; acceptance test certificates to DIN EN 10204 (2.1, 2.2, 3.1, 3.2) as well as dual certification to ASME/AD2000-W7 and supplementary requirements to NACE/NORSOK are possible.
| Evidence | Reinbek |
|---|---|
| ISO 9001 | |
| DIN ISO 3269 (testing procedures) | |
| DIN EN 10204 (acceptance test certificates) | |
| NACE / NORSOK | |
| ASME / AD2000-W7 dual certification |
History
- 2010
Founded in Hamburg Fuhlsbüttel ("backyard garage on Erdkampsweg").
- 2015
Relocation to Reinbek.
- 2019
Introduction of quality management per ISO 9001, certified by TÜV Hessen.
- 2020
Implementation of the smart|Kanban system at LESER GmbH & Co. KG in Hohenwestedt.
- 2024
Relocation within Reinbek for larger warehouse and logistics space.