Carbon Steel Flat Washer, M16X40, NFE25-513, 100 HV

Carbon Steel Flat Washer, M16X40, NFE25-513, 100 HV

Key Specifications / Features

We are a professional carbon steel flat washer manufacturer, supplying ZP electro-galvanized flat washers sized M16X40, compliant with the NFE25-513 standard. These washers feature 100-200HV hardness, inner diameter ≥17 mm, outer diameter ≤40 mm, and thickness 3 mm. Made from premium low-carbon steel with a uniform blue-white zinc coating, they resist rust and peeling. Designed for M16 bolts, they deliver stable performance for general industrial assembly, effectively distributing load and protecting joint surfaces in various fastening applications.

Detail Information

FLAT WASHER ZP 100 HV M16X40

Product Name: Flat Washer

Standards: Conforms to the NFE25-513 standard. 

Dimensions: Designed for M16 bolts. Standard inner diameter ≥17mm; outer diameter ≤40mm, thickness 3mm.

Base Material: Precision stamped from high-quality low-carbon steel. 

Surface Finish: ZP electro-galvanized (blue-white zinc). 

Hardness Grade: 100-200HV Vickers hardness. Industrial high-strength fastening grade with consistent and stable hardness.

Precise dimensions with compliant tolerances, complying with general industrial assembly standards.

Uniform and full coating with strong adhesion. Free from defects such as missing plating, peeling, and rust.

Dense material free of blowholes and cracks, balancing toughness and rigidity, resistant to deformation and fracture under load.

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