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Countersunk Head Screws | Flat Head Screws | CSK Screws

Screws

Countersunk Head Screws Flat Head Screws CSK Screws (1).JPG
Countersunk Head Screws Flat Head Screws CSK Screws (2).JPG
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Countersunk Head Screws | Flat Head Screws | CSK Screws

Hebei Chudu Metal Products Co., Ltd. supplies precision-engineered countersunk head screws, also known as flat head screws or CSK screws, designed to sit flush with or below the surface of the workpiece. These screws are widely used in applications requiring a smooth surface finish, such as furniture, electronics, and machinery.

  • Product Name Countersunk Head Screw / Flat Head Screw / CSK Screw
  • Head Type 90° Flat Head, Countersunk Head
  • Drive Type Phillips / Slotted / Torx / Hex Socket
  • Standards DIN 965, DIN 7991, ISO 10642, ANSI B18.3, or customized
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Product Information
Countersunk Head Screws Flat Head Screws CSK Screws
Countersunk Head Screws Flat Head Screws CSK Screws (2)
Countersunk Head Screws Flat Head Screws CSK Screws (3)

Product Overview

Product Name

Countersunk Head Screw / Flat Head Screw / CSK Screw

Head Type

90° Flat Head, Countersunk Head

Drive Type

Phillips / Slotted / Torx / Hex Socket

Standards

DIN 965, DIN 7991, ISO 10642, ANSI B18.3, or customized

Material

Carbon Steel

Stainless Steel (SS201, SS304, SS316)

Alloy Steel

Brass / Aluminum (optional)

Grade

4.8, 8.8, 10.9, 12.9 / A2-70, A4-80

Surface Finish

Zinc Plated (Clear / Yellow / Blue)

Black Oxide

Nickel / Chrome Plated

Hot-Dip Galvanized (HDG)

Plain / Polished

Size Range

 Metric: M2 – M24
Inch: #4 – 1"
Custom lengths and thread pitches available

Product Features

  • 3-4icon_ (10)
    Flush installation for clean, smooth surfaces
  • 3-4icon_ (9)
    Ideal for aesthetic or space-constrained applications
  • metalworking
    High tensile strength and corrosion resistance
  • Industrial
    Available in various drive types for versatile tooling
  • Easy to install and compatible with standard boltsnuts
    Suitable for wood, metal, and plastic materials
  • Cost-effective solution for interior wall assembly
    Precision threads ensure strong fastening and easy installation
Countersunk Head Screws Flat Head Screws CSK Screws (5)

Applications

  • Woodworking

    Furniture and cabinetry

  • Electrical

    Mechanical and electronic enclosures

  • Automotive (2)

    Automotive interior components

  • Electrical

    Electrical devices and appliances

  • Aerospace and precision instruments

    Aerospace and marine hardware

  • Construction

    Construction and architectural fittings

Packaging & Delivery

Packaging

Bulk in cartons with pallets

Small boxes, plastic trays, or custom branding

Lead Time

7–30 days depending on stock and order size

Shipping Port

Tianjin, China

Why Choose Hebei Chudu

10+ years of manufacturing experience in screws and fasteners.
ISO 9001-certified factory with rigorous inspection procedures.
Full range of screw types: pan head, CSK, hex, truss, and custom.
Strong R&D capability for OEM/ODM solutions.
Fast delivery, stable supply, and competitive pricing.
Long-term export partnerships with clients in over 40 countries.

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