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Slotted Head Hand-Tightened Screw - Z-Shaped ABS Plastic Head, Anti-Slip Knob Bolt
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Slotted Head Hand-Tightened Screw - Z-Shaped ABS Plastic Head, Anti-Slip Knob Bolt

Introducing our Slotted Head Hand-Tightened Screw—a versatile, tool-free fastening solution designed for convenience, durability, and wide applicability across industries. Featuring a Z-shaped ABS plastic head and carbon steel body, this screw eliminates the need for extra tools during installation or removal, making it ideal for scenarios requiring frequent adjustments. With anti-slip texture on the plastic head, it ensures a firm grip even with gloved hands, while its robust material combination guarantees long-lasting performance in both indoor and mild outdoor environments.

    Core Features

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    Tool-Free Operation: The ergonomic Z-shaped ABS head allows easy hand-tightening/loosening—no screwdrivers, wrenches, or other tools required. Perfect for quick assembly, maintenance, or adjustments.

    Durable Material Combo:

    Head: High-quality ABS plastic (resistant to impact, wear, and corrosion; available in multiple colors).

    Body: 35# carbon steel with galvanized surface treatment (prevents rust, enhances tensile strength, meets 4.8-grade strength standards).

    Anti-Slip Design: The Z-shaped head’s textured surface boosts friction, ensuring a secure grip and preventing slippage during use—critical for oily or wet workspaces.

    Multiple Customization Options: Choose from black, white, yellow, red, gray, blue, or custom colors for the plastic head. We also offer nickel plating or stainless steel body upgrades upon request.

    Ample Stock & Fast Delivery: Common specifications are in stock (up to 1,000,000 pieces for select sizes), with delivery within 48 hours for standard orders.

    Product Parameters

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    Thread Size (M)

    Pitch (mm)

    Available Lengths (mm)

    Head/Shank Material

    Surface Treatment

    M4

    0.7

    6, 8, 10, 12, 16, 20, 25, 30

    ABS Plastic / Carbon Steel

    Galvanized

    M5

    0.8

    6, 8, 10, 12, 16

    ABS Plastic / Carbon Steel

    Galvanized

    M6

    1

    6, 8, 10, 12, 16, 20, 25, 30

    ABS Plastic / Carbon Steel

    Galvanized 


    Note: We also stock screws in M4, M5, M8 sizes (custom lengths available). Contact our customer service for detailed specifications and pricing of non-listed sizes.

    Core Benefits for B2B Buyers​

    1. Tool-Free Efficiency

    The Z-shaped slotted head allows manual tightening/loosening without extra tools, reducing assembly time by 30%+ in production or field maintenance—ideal for lean manufacturing.

    2. Industrial-Grade Durability

    - ABS Head: Impact-resistant with anti-slip texture (secure grip, even with gloves).

    - Carbon Steel Shank: Galvanized coating ensures corrosion resistance (48-hour salt-spray tested). Optional: Nickel plating or stainless steel (304/316) for harsh environments.

    3. Bulk Customization & Consistency

    - MOQ: 1,000 pieces (lower MOQ available for sample validation).

    - Customization: Head color (black/white/yellow/red/gray/blue), shank material, and non-standard lengths supported for OEM/ODM.

    - Precision: <0.05mm tolerance in head-shank assembly ensures no loose connections.

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