ISO 7380-1 | Half-round screw | Steel | Zinc-plated, thick-film passivated (DSP) | Internal hex socket | Metric thread | Cr(VI) - free
Note:
• Due to the head geometry, the load capacity of these screws is limited, see DIN EN ISO 898-1.
• Some dimensions provided from thread to head.
Surface (DSP): Zinc galvanised, thick-film passivated, min. 5μm | Corrosion resistance in accordance with DIN EN ISO 9227*: White rust 72h, red rust 144h | Defined friction coefficient μ(total) = 0.12 – 0.18 for high-strength screws (≥ 8.8)
*Proof of the specified minimum requirements is provided in accordance with the testing conditions of DIN EN ISO 4042, galvanic coatings for fasteners. For dimensions < M5, the specified values may be lower.
Note:
• Due to the head geometry, the load capacity of these screws is limited, see DIN EN ISO 898-1.
• Some dimensions provided from thread to head.
Surface (DSP): Zinc galvanised, thick-film passivated, min. 5μm | Corrosion resistance in accordance with DIN EN ISO 9227*: White rust 72h, red rust 144h | Defined friction coefficient μ(total) = 0.12 – 0.18 for high-strength screws (≥ 8.8)
*Proof of the specified minimum requirements is provided in accordance with the testing conditions of DIN EN ISO 4042, galvanic coatings for fasteners. For dimensions < M5, the specified values may be lower.
Material version:
10.9
Cr(VI) Note:
Cr(VI)-free
Flange/washer:
without flange
Risk hydrogen embrittlement:
Thread type:
Metric thread
Head shape:
Round head
Force application:
Hexagon socket
Material:
Steel 10.9
Installation method:
Screw into place with tool
Surface:
zinc-plated, thick-film passivated (VZD)
Product type:
Cap screw with internal driving feature
Product group:
Screws
RoHS conformal:
Material:
Steel
The Manual of fastening Technology: 8th edition
Fastening and assembly technology: Products and services
