Material: Q195 Carbon Steel / 304/316 Stainless Steel
Specifications:

​Diameter Range: M3–M30 (M3/4/5/6/8/10/12/14/18/20/22/24/27/30)
​Surface Finish: Black Oxide, Zinc-Plated, Natural Stainless Steel
Key Features:

​Extended Hex Design: Facilitates manual tightening in hard-to-reach spaces.
​Corrosion Resistance: Stainless steel grades (304/316) for harsh environments.
​Durable Coating: Zinc/galvanized options for carbon steel protection.
Applications:
Heavy machinery, structural frameworks, and high-vibration industrial assemblies.

Compliance: DIN6334, ISO 4032.