
Mortise deadlock for cylinder Brass | GSV-No. 3201 ZR
2. February 2019
Dog assemblies with handle and square shaft 73/93mm Steel | GSV-No. 104 type B
3. February 2019The bow nut M12 / M16 / M20 according to DIN 83407 A, GSV-No. 407 A, is a precision-engineered fastening element designed for reliable, secure, and reusable connections in a wide range of industrial and mechanical applications. Its adherence to DIN 83407 A standards ensures compatibility with standardized components and guarantees consistent performance and dimensional accuracy. Available in M12, M16, and M20 sizes, this bow nut provides flexibility across various construction requirements, making it suitable for both light and heavy-duty applications.
The nut itself is manufactured from high-quality natural-coloured brass, a material renowned for its excellent mechanical properties, wear resistance, and long-term durability. Brass provides corrosion resistance and stable performance under repeated use, ensuring that the connection maintains integrity over time. The base plate is made of steel in self-colour finish, offering high structural strength and stability. The combination of brass and steel delivers an optimal balance of robustness, longevity, and reliable mechanical function.
The bow nut is designed for ease of use, allowing for rapid assembly and disassembly without compromising stability. Its ergonomic design enables secure tightening and loosening, even in applications where frequent adjustments are required. This makes it especially suitable for machinery, equipment assembly, and temporary or modular constructions where repeatable fastening is needed.
Overall, the bow nut GSV-No. 407 A is a technically sound and durable solution, providing high reliability, precise fit, and versatility. Its standardized design, quality materials, and practical usability make it an ideal component for professional and industrial fastening needs.
Current general delivery dates subject to the usual reservations::
Brass:
• The general delivery time for products in brass satin chromed is currently 6-8 weeks
• The general delivery time for products in brass polished / brass polished chromed is currently 8-10 weeks
Stainless Steel:
• The general delivery time for products in stainless steel is currently 6 weeks
• The general delivery time for products in stainless steel polished / fine grind is currently 6-8 weeks
Aluminum:
• The general delivery time for products in Aluminum silver andodized is currently 6 weeks
• The general delivery time for products in Aluminum powder coated is currently 6-8 weeks
Special/project products:
No standard delivery time, as components are only made to order. In each case by individual arrangement
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Note on express dispatch | 24 delivery service Each item with a stock quantity can be dispatched within 24 hours. The surcharge for the 24h delivery service is 5%.
Our products do not contain the following chemical hazardous substances:
Asbestos
Polychlorinated biphenyls (PCBs)
Chlorofluorocarbons (CFCs)
Halons
Carbon tetrachloride
1-1-1-Trichloroethane
Hydrochlorofluorocarbons
Hydrobromofluorocarbons
Methyl bromide
Bromochloromethane
Anti-fouling systems containing organotin compounds as a biocide
Cadmium and cadmium compounds
Hexavalent chromium and hexavalent chromium compounds
Lead and lead compounds larger 3%
Mercury and mercury compounds
Polybrominated biphenyl (PBBs)
Polybrominated dephenyl ethers (PBDEs)
Polychloronaphthalenes (Cl >= 3)
Radioactive substances
Certain shortchain chlorinated paraffins
Perfluorooctane sulfonic acid (PFOS)
Brominated Flame Retardant (HBCDD)








