Grade 8.8 black oxide double-end studs are medium-high strength threaded fasteners featuring threading on both ends with an unthreaded shank center. They combine reliable mechanical performance (80...

Dacromet flange bolts combine the load-distributing design of a flange head with the superior corrosion protection of zinc-aluminum flake coating. The integral flange eliminates the need for a sepa...

Dacromet (达克罗), also known as zinc-aluminum chromate coating, is a water-based, environmentally friendly surface treatment technology widely used on steel fasteners. Unlike conventional electrop...

Self-tapping screws with RUSPERT surface treatment combine the convenience of thread-forming installation with a premium three-layer anti-corrosion coating system. This document provides a concise ...

The Grade 10.9 Blue-White Zinc DIN 933 hex bolt delivers high-strength clamping capability (tensile strength ≥ 1,040 MPa) with a cost-effective, RoHS-compliant decorative-and-functional surface fin...

The Grade 8.8 Dacromet DIN 933 hex bolt combines medium-high mechanical strength with industry-leading corrosion protection. Widely adopted in outdoor structural steelwork, wind energy, railway inf...