Qi Sheng supplies a broad range of industrial screws for OEM, distributors, and project-based buyers. Our screw lineup covers common fastening needs across metal fabrication, equipment manufacturing, construction, and woodworking—such as self tapping screws, self drilling screws, machine screws, wood screws, chipboard screws, and set screws.
We support specification-based sourcing including head types, drive styles, thread forms, diameter/length ranges, and corrosion-resistant finishes. If you are matching an existing sample or drawing, our team can help confirm the correct screw type and provide stable bulk supply with OEM packaging options.
For a faster quotation, please share: screw type, size, material, finish, quantity, and application.

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Black Phosphate Drywall Screw

Black Phosphate Drywall Screw

  1. Complies with ISO 7047, ANSI B18.6.3, DIN 7982; drywall-specialized self-tapping fasteners
  2. Material: Low-carbon steel (1010/1018); strength grades 4.8–8.8
  3. Structure: Countersunk flat head + Phillips slot + drywall fine-thread + drill tip
  4. Surface treatment: Black phosphate (lubricity & corrosion resistance);
  5. Size 2.2mm-6.4mm, length 16–50mm (for 9.5–15mm gypsum boards)
Self tapping screw with flat head and Phillips drive for secure fastening.
Self tapping screw with flat head and Phillips drive for secure fastening.

Countersunk Flat Head Phillips Self Tapping Screw

  1. Complies with ISO 7047, ANSI B18.6.3, DIN 7982; flush-mount self-tapping fasteners
  2. Material: Carbon steel (1018), stainless steel (304/316); strength grades 4.8–8.8
  3. Structure: Countersunk flat head + Phillips cross-slot + self-tapping thread + sharp tip (full thread).
  4. Surface treatments: Zinc plating, nickel plating, black oxide
  5. Size M2–M8, length 6–50mm
High-quality countersunk flat head Torx deck screws with knurled head for secure fastening.
High-quality countersunk flat head Torx deck screws with knurled head for secure fastening.

Countersunk Flat Head Torx Deck Screw with Knurle

  1. Complies with ISO 7047, ANSI B18.6.3, DIN 7982; wood-specific construction fasteners
  2. Material: Carbon steel (1018/45#), stainless steel (304); strength grades 4.8–10.9
  3. Structure: Countersunk flat head + ribs (shaft ribs) + wood-optimized thread + drill tip (full thread)
  4. Surface treatments: Hot-dip galvanizing, phosphate coating, black oxide
  5. Size M4–M8, length 30–100mm (for solid wood/engineered wood)
  6. Designed for building frameworks, wood splicing, and construction wood connections
High-quality countersunk flat Torx head screw for chipboard applications. Durable and precise for se.
High-quality countersunk flat Torx head chipboard screw for woodworking and furniture assembly.

Countersunk Flat Torx Head Chipboard Screw

  1. Complies with ISO 7046, DIN 7982, ANSI B18.6.3; chipboard-specialized self-tapping fasteners
  2. Material: Carbon steel (1018), stainless steel (304); strength grades 4.8–8.8
  3. Structure: Countersunk flat head + Torx drive + chipboard-specific fine-thread + sharp tip (full thread)
  4. Surface treatments: Zinc plating, phosphate coating, black oxide
  5. Size M3–M6/#0-1/2″, length 16–50mm (for chipboard/MDF).
High-quality countersunk Pozi flat head screw for chipboard applications.
High-quality countersunk Pozi flat head screw for chipboard applications.

Countersunk Pozi Flat Head Chipboard Screw

You are welcomed to come to our factory to buy the latest selling, low price, and high-quality Countersunk Pozi Flat Head Chipboard Screw. We look forward to cooperating with you.

Hex head wood screw for woodworking and construction projects. Durable steel with zinc coating for c.
Hex head wood screw for woodworking and construction projects. Durable steel with zinc coating for c.

DIN571 Hex Head Wood Screw

  1. Complies with ISO 7048, ANSI B18.2.1, DIN 571; general-purpose wood fasteners
  2. Material: Carbon steel (1018), stainless steel (304); strength grades 4.8–8.8
  3. Structure: Hex head + wood-optimized coarse thread + sharp tapered tip (full thread)
  4. Surface treatments: Zinc plating, phosphate coating, black oxide
  5. Size M3–M10, length 16–100mm (for solid wood/engineered wood)
High-quality stainless steel countersunk wood screws for woodworking projects.
High-quality stainless steel countersunk wood screws for woodworking projects.

DIN7997 POZI Countersunk Head Wood Screws

  1. Complies with ISO 7047, ANSI B18.6.1, DIN 7997; wood-specific flush-mount fasteners
  2. Material: Carbon steel (1018), stainless steel (304); strength grades 4.8–8.8
  3. Structure: POZI drive (anti-slip cross recess) + countersunk flat head + wood-optimized thread + sharp tip (full thread)
  4. Surface treatments: Zinc plating, phosphate coating, black oxide
  5. Size M2–M8, length 6–50mm (for solid wood/MDF/particleboard)
Hexagon socket set screw with cone point for secure fastening.
Hexagon socket set screw with cone point for secure fastening.

DIN914 Hexagon Socket Set Screw with Cone Point

  1. Complies with ISO 4026, DIN 914, ANSI B18.3; precision positioning-lock fasteners
  2. Material: Carbon steel (45#), stainless steel (304/316), alloy steel (42CrMo); strength grades 4.8–12.9
  3. Structure: Hex socket + headless design + cone point (tapered tip) + full thread
  4. Surface treatments: Zinc plating, black oxide, passivation
  5. Size M2–M16, length 6–50mm
Phillips flat head machine screws for precise fastening applications.
Phillips head flat screw for mechanical assembly.

DIN965 Flat Head Phillips Machine Screw

1.Complies with ISO 7047, ANSI B18.6.3, DIN 965; general-purpose flush-mount fasteners

2.Material: Carbon steel (1018), stainless steel (304/316); strength grades 4.8–8.8

3.Structure: Phillips cross recess + countersunk flat head + full thread + sharp tip

4.Surface treatments: Zinc plating, black oxide, phosphate coating;

5.Size M2–M8, length 6–50mm

Double End Dowel Wood Screws for Furniture
Double End Dowel Wood Screws for Furniture

Double End Dowel Wood Screws for Furniture

  1. Complies with ISO 7048, ANSI B18.6.3; furniture-specific double-end wood fasteners
  2. Material: Carbon steel (1018), stainless steel (304); strength grades 4.8–8.8
  3. Structure: Headless + double-end self-tapping thread + tapered guide tips (full thread)
  4. Surface treatments: Zinc plating, phosphate coating, black oxide
  5. Size M3–M8, length 20–80mm (for wood panel joining)
  6. Designed for furniture frame, cabinet, and wood component splicing
Self-drilling hex head roofing screw for metal roofing applications.
Self-drilling hex head roofing screw for metal roofing applications.

Hex Head Roofing Screw Self-drilling Screw

High quality Hex Head Roofing Screw Self-drilling Screw is offered by China manufacturer Qi Sheng.

Self tapping screws with hex heads for easy installation and secure fastening.
Self Tapping Screw for Metal and Plastic Applications.

Hex Head Self Tapping Screw

  1. Complies with ISO 7048, DIN 7975, ANSI B18.6.3; general-purpose self-tapping fasteners.
  2. Material: Carbon steel (1018), stainless steel (304/316); strength grades 4.8–8.8.
  3. Structure: Hex head + self-tapping thread (forming/cutting optional) + sharp tip (full thread).
  4. Surface treatments: Zinc plating, nickel plating, black oxide
  5. Size M2–M12, length 6–50mm