3/8 Inner Thread Ceiling Drill Tail Screws
Chinese Name: 3/8 内牙钻尾天花板吊顶螺丝Core SEO Keywords: 3/8 inner thread ceiling drill tail screws, 3/8 female thread self-drilling hanging screws, inner thread drill tail screws for ceiling, hex head inner thread ceiling fasteners, heavy duty ceiling suspension screws
Product Overview
Our 3/8 Inner Thread Ceiling Drill Tail Screws are professional heavy‑duty fasteners specially designed for suspended ceiling systems, light fixture mounting, pipeline suspension and overhead structural support.Equipped with a standard 3/8 internal thread and sharp drill tail design, these screws can directly drill and fasten into light steel keels, thin metal sheets, concrete and ceiling panels without pre‑drilling or additional nuts.
The built‑in inner thread allows direct connection with threaded rods, making installation faster and more convenient. Manufactured from high‑strength hardened carbon steel with anti‑corrosion surface treatment, these screws provide excellent pull‑out resistance, stable performance and long service life for various construction and decoration projects.
Key Features
Standard 3/8 inner thread for direct connection with threaded rods
Sharp drill tail design enables one‑step self‑drilling installation
High‑strength carbon steel material, high torque resistance and not easy to break
Deep coarse threads for firm anchoring and excellent anti‑loosening performance
Hex head for stable, non‑slip operation with power tools
Corrosion‑resistant coating for long‑term indoor and mild outdoor use
Ideal for ceiling suspension, hanging, fixing and supporting applications
Technical Parameters
Size: 3/8 Inner Thread
Type: Inner Thread Ceiling Drill Tail Screws
Material: High‑Strength Hardened Carbon Steel
Surface: Blue Coated / Zinc Plated
Head Type: Hex Head
Function: Self‑Drilling, Anchoring, Hanging, Suspension
Application: Light Steel Keel, Metal Sheet, Concrete, Ceiling Panel, Drywall
Application Scenarios
Suspended ceiling installation with threaded rods
Light fixtures, lamps and small equipment hanging on ceilings
Electrical wires, cables and small pipelines suspension
Light steel keel fixing and ceiling structure reinforcement
Commercial and residential building ceiling construction
Factory, warehouse and office overhead mounting projects
Installation Guide
Mark the installation position on the ceiling or keel.
Install a matching hex socket bit into an impact driver or electric drill.
Align the screw vertically and keep it perpendicular to the substrate.
Drill the screw into the material at medium speed until firmly seated.
Connect a threaded rod or bolt into the inner thread for suspension.
Safety Note: Wear safety goggles and protective gloves during installation. Do not use excessive torque to avoid screw breakage or substrate damage.
Packaging & Storage
Standard Packaging: Sealed plastic bags + sturdy export cartons
Custom Packaging: Custom logo and label printing available
Storage: Store in dry and ventilated place to prevent rust and corrosion
About Xiamen Xinhengjie Hardware Products Co., Ltd.
Xiamen Xinhengjie Hardware Products Co., Ltd. has been engaged in hardware fastener manufacturing for more than 10 years, focusing on high‑quality wood screws, self‑drilling screws, ceiling screws and various construction fasteners.
We adhere to strict quality control standards, provide stable production capacity, accept small trial orders and large bulk orders, and offer complete OEM & ODM services. We are committed to supplying reliable products, efficient delivery and professional after‑sales support to global customers.
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