Manufacturer of special screws, stud bolts and turned parts with in-house surface treatment.
SSG Spezial-Schrauben GmbH
HagenNew on Amplifa
About us
SSG Spezial-Schrauben GmbH, based in Hagen, manufactures and sells fasteners of all kinds. The product range includes bolts (e.g. DIN 2510, DIN 2509), threaded rods (DIN 976), stud bolts (DIN 938, DIN 939, DIN 835), hexagon and hexagon socket screws (ISO 4014, ISO 4017, ISO 4762), nuts (DIN 2510, ISO 4032, ISO 4033) as well as stud bolts and hexagon bolted assemblies to ANSI B16.5 and ANSI B18.2. In addition, turned parts are manufactured to standard and to customer specification. Production takes place on flexible manufacturing equipment, making small, medium and large quantities possible. All parts can be supplied with various surface treatments, among others chromium(VI)-free (thick-layer passivated), electroplated zinc, chromated, nickel-plated, Geomet, phosphated, chrome-plated or PTFE-coated. The company is certified, among others, to DIN EN ISO 9001:2015, AD 2000-W0, DGRL 2014/68/EU and KTA, and supplies industries such as pressure vessel and apparatus construction, power plant engineering as well as plant and mechanical engineering.
- Site
- Hagen
- Processes
- Turned parts to standard and customer specification, Chromium(VI)-free coating (thick-layer passivated), Electroplated zinc coating, Chromating, Nickel plating, Geomet coating, Phosphating, Chrome plating
- Materials
- Stainless steel, Turned parts, Surface treatment
- Certificates
- DIN EN ISO 9001:2015, AD 2000 Merkblatt W0, DGRL 2014/68/EU (materials manufacturer for pressure equipment), KTA 1401 and AVS D 100/50, KTA 3201.1 Sec. 3 and KTA 3211.1 Sec. 3.4, VdTÜV Material Data Sheet 1253/1, VdTÜV Material Data Sheet 1253/4, KTA 1401 + AVS D 100/50, VdTÜV Material Data Sheet 1253/1 and 1253/4, ISO 14001
- Industries
- Pressure vessel and apparatus construction, Power plant engineering (nuclear, KTA-certified), Plant and mechanical engineering, Pressure vessel/apparatus construction, Plant/mechanical engineering
- 01
Turning of fasteners to standard and customer specification
- 02
Surface treatment (e.g. galvanizing, Geomet, PTFE)
- 03
Quality inspection according to certified procedures
- 04
Sales and shipping
Materials & Processes
Stainless steel
Stainless steel screws are stocked according to the delivery program.
Turned parts
Turned parts to standard and customer specification made from customer-specific materials.
Surface treatment
Chromium(VI)-free (thick-layer passivated), electroplated zinc, chromated, nickel-plated, Geomet, phosphated, chrome-plated, PTFE.
Locations
Hagen
DEHeadquarters and manufacturing
- Lot size
- small, medium and large quantities
- Materials
- Stainless steel, turned part materials
- Flexible production facilities for fasteners and turned parts
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Joining | – | – | – | – | – |
| Turned parts to standard and customer specificationMachining | – | – | – | small quantities – large quantities | – |
| Chromium(VI)-free coating (thick-layer passivated)Surface | – | – | – | – | – |
| Electroplated zinc coatingSurface | – | – | – | – | – |
| ChromatingSurface | – | – | – | – | – |
| Nickel platingSurface | – | – | – | – | – |
| Geomet coatingSurface | – | – | – | – | – |
| PhosphatingSurface | – | – | – | – | – |
| Chrome platingSurface | – | – | – | – | – |
| PTFE coatingSurface | – | – | – | – | – |
Additional services
Quality & Certifications
Production is carried out according to DIN EN ISO 9001:2015; as a materials manufacturer for pressure equipment, SSG is qualified according to AD 2000-W0 and DGRL 2014/68/EU. In addition, KTA approvals (KTA 1401, KTA 3201.1, KTA 3211.1) exist for nuclear power plant engineering, as well as VdTÜV material data sheets 1253/1 and 1253/4.
| Evidence | Hagen |
|---|---|
| DIN EN ISO 9001:2015 | |
| AD 2000 Merkblatt W0 | |
| DGRL 2014/68/EU (materials manufacturer for pressure equipment) | |
| KTA 1401 + AVS D 100/50 | |
| KTA 3201.1 Sec. 3 and KTA 3211.1 Sec. 3.4 | |
| VdTÜV Material Data Sheet 1253/1 and 1253/4 | |
| ISO 14001 |