Simplify your assembly tasks with this bulk lot of 100 black carbon steel self-tapping screws. Featuring a cross round head Phillips drive and a comprehensive range of miniature metric sizes from M1 to M5, these screws cut their own thread for quick installation into plastic, wood, and soft metals. The black oxide finish offers a basic layer of protection and a sleek, low-profile appearance. Features and Benefits
- Self-Tapping Design - Eliminates the need for pre-drilled pilot holes in many materials, speeding up installation and reducing tool requirements.
- Extensive Miniature Size Range (M1 to M5) - Perfect for precision work in electronics, hobbies, appliances, and small mechanical repairs.
- Cross Round Head Phillips Drive - Provides a common drive type for easy installation and a rounded head profile for a finished look.
- Durable Carbon Steel Construction - Delivers reliable strength and holding power for a wide array of light to medium-duty fastening applications. Applications
- Fastening components in consumer electronics, small appliances, and plastic housings.
- General woodworking, cabinetry, and model assembly where a pre-tapped hole is not present.
- DIY repairs, hobby projects, and securing sheet metal or thin gauge materials.
Available Sizes: M1, M1.2, M1.4, M1.5, M1.7, M2, M2.3, M2.6, M3, M3.5, M4, M5. Material: Carbon Steel. Drive Type: Phillips. Head Type: Cross Round Head (Phillips). Product Type: Self-tapping Screw. Quantity: 100 pieces. Surface Finish: Black. Thread Type: Self-tapping. Available Sizes (Metric): M1, M1.2, M1.4, M1.5, M1.7, M2, M2.3, M2.6, M3, M3.5, M4, M5. Material: Carbon Steel. Corrosion Resistance (Coating): Limited; provides basic oxidation resistance. Drive Type: Phillips. Hardness: HRB 70-100 (Rockwell B). Head Style: Round Head (Pan Head). Packaging Quantity: 100 pieces per lot (likely assorted sizes). Point Type: Sharp Point (for self-tapping). Primary Application: Fastening into thin metal sheets, plastic, wood without pre-tapped holes. Product Type: Cross Round Head Phillips Self-tapping Screw. Surface Treatment/Finish: Black (likely Black Oxide or Phosphated coating). Tensile Strength (Carbon Steel): Minimum 420 MPa (Grade 4.8 typical). Thread Engagement: Designed to cut or form its own mating thread. Thread Type: Self-tapping (Type A or AB likely). Q: What sizes and specifications are included in this 100-piece self-tapping screw set? A: This set includes 100 pieces of cross round head Phillips self-tapping screws in a wide range of small metric sizes: M1, M1.2, M1.4, M1.5, M1.7, M2, M2.3, M2.6, M3, M3.5, M4, and M5. The screws are made from black carbon steel and feature a round head design.. Q: What is the quality and finish of these black carbon steel screws? A: The screws are manufactured from carbon steel, which provides good strength for general fastening. They feature a black finish, which is typically a coating or oxidation treatment that offers a basic level of corrosion resistance and a uniform appearance.. Q: Are these self-tapping screws, and what materials are they compatible with? A: Yes, these are self-tapping screws, meaning they can form their own thread as they are driven into softer materials. They are compatible with materials like plastic, wood, and soft metals, where a pre-tapped hole is not required, making them ideal for assembly and repair work.. Q: What is the warranty or return policy for these screws? A: Such fastener sets are usually sold with an assurance against significant manufacturing defects. Due to their consumable nature, it is recommended to review the seller's specific policy regarding returns or replacements for damaged or incorrect items.. Q: Is this a cost-effective set given the variety of small screw sizes? A: This set is highly cost-effective, offering a broad spectrum of small metric self-tapping screw sizes in one package. The 100-piece lot is perfect for hobbyists, technicians, and repair jobs where having the right tiny screw on hand saves time and effort..