NF E25-146 Hexagon Socket Countersunk Head Screws – Carbon & Stainless Steel | Precision Flat-Head Fasteners

Description

NF E25-146 Hexagon Socket Countersunk Head Screws are designed for a flush installation, offering both a clean appearance and a secure fastening solution. With a hexagonal internal socket drive and a countersunk head, these screws are ideal for applications where the screw head must sit level with or below the surface.

Engineered from high-quality carbon steel or stainless steel, these screws are available in multiple strength grades — including 4.8, 5.6, 6.8, 8.8, 10.9, and 12.9 — ensuring compatibility with a wide range of structural and industrial applications.

Multiple finish options provide enhanced durability and corrosion resistance:

• Plain

• Black Oxide

• Zinc Electroplating

• Hot Dip Galvanizing

• Copper Plating

• Nickel Plating

• Zinc Impregnation

• ETC.

Conforming to NF E25-146 and compatible with GB, DIN, ISO, ANSI/ASTM, BS, JIS, these screws are also available in OEM/custom designs based on customer drawings or samples.

Specifications:

Standard:

• NF E25-146

• Also complies with GB, DIN, ISO, ANSI/ASTM, BS, JIS standards

Head Type:

• Countersunk Flat Head

• Hexagon Socket Drive

Material Options:

• Carbon Steel

• Stainless Steel

Grade Options:

• 4.8, 5.6, 6.8, 8.8, 10.9, 12.9

Finish Options:

• Plain

• Black Oxide

• Zinc Electroplating

• Hot Dip Galvanizing

• Copper Plating

• Nickel Plating

• Zinc Impregnation

• ETC.

Customization:

• OEM production available based on your drawings or samples

Samples:

• Free samples provided

Packaging:

• Wooden Boxes

• Pallets

• Cartons

• Plastic Bags

• Nylon Bags

Applications:
✔ Metal fabrication and assembly
✔ Electronics and electrical panels
✔ Machinery and heavy equipment
✔ Automotive and aerospace components
✔ Structural frameworks requiring a flush finish