• Products

    Founded in the 1990s, it is a large hardware and fastener manufacturer integrating R&D, production and sales. It is equipped with advanced production equipment and automated assembly lines with strong annual output capacity, holds a full range of honors and a sound quality inspection system, specializing in various self-drilling screws, bolts and customized special-shaped fasteners.

Fiberboard Screws

Fiberboard Screws
Brand: Wotu
Product Name: Phillips Countersunk Coarse Thread Chipboard Screws
Surface Finish: Color Zinc Electroplated
Specifications: Regular wire diameters 3.5/4.0/4.5/5.0 fully in stock; complete shank lengths from 16mm to 80mm available. Custom non-standard lengths are supported.
Packaging: Separately packed in 25kg cartons and loaded on full wooden pallets wrapped with stretch film.

Product Details

I. Application Fields

This screw is specially developed for high-density fiberboard, particle board, solid wood, multi-layer boards, cabinet carcasses and whole-house custom furniture, serving as the core fastener for panel furniture assembly.

Its tapered countersunk head can sink fully into panels, leaving a smooth surface without putty filling after installation. Widely applied to whole-house customization, cabinets, wooden door and floor installation, large quantities are exported year-round to furniture supporting markets across Southeast Asia, the Middle East and Africa.

II. Raw Materials & Production Processes

Premium carbon steel is adopted as raw material. The manufacturing processes include cold forming of tapered countersunk heads, Phillips cross recess stamping, deepened thick coarse thread rolling, self-tapping conical point forming and color zinc electroplating.

Designed with deepened thick threads featuring wide and thick profile, it avoids edge bursting and board splitting when screwed into high-density boards. The smooth tapered countersunk surface embeds fully into panels after tightening; the color zinc coating is compact and uniform.

III. Core Product Advantages

Deep Coarse Threads for Powerful Board Holding

Deep wide-pitch coarse threads penetrate deep into boards with outstanding pull-out resistance, preventing slipping and loosening on high-density particle boards.

Fully Concealed Countersunk Installation

The bugle countersunk head sinks entirely into panels after tightening for a flat surface, eliminating sanding and repainting procedures. It is the optimal choice for precision furniture finishing.

Flexible Multi-Coating Options

Standard color zinc finish delivers high cost performance for universal furniture factory use; black phosphating features low residual oil to avoid contaminating panel paint finishes; blue-white zinc fits kitchen and bathroom cabinet assemblies.

IV. Quality Control, Warehousing & Supporting Services

All sizes are permanently stocked with shipments dispatched within 48 hours. Bulk orders from furniture factories and full-container export orders enjoy priority production scheduling.

Pre-delivery sampling inspection covers countersunk head dimensions, cross recess strength, thread sharpness and coating adhesion to screen out defective products with cracked heads and incomplete threads.

Complete fastener sets bundled with drywall screws and various self-tapping screws are available for shipment. Custom extended non-standard sizes can be produced against customer samples, with stable mass production to provide long-term supply for whole-house furniture manufacturers.


OUR STRENGTHS

Production Capacity

The company covers an area of 40,000 square meters with over 300 employees, achieving an annual output of more than 20,000 tons each for self-drilling screws and hot-dip galvanized bolts, capable of standard supply and customized special-shaped fastener production.

Production Equipment

It is equipped with over 200 sets of advanced Taiwan-origin self-drilling screw production equipment and 6 numerical control production lines, featuring advanced hardware configuration and high automated production level.

Quality Control

Following the ISO9001:2015 quality management system, the company has built a complete quality inspection laboratory and implements strict full-process quality control and testing from raw materials to finished products.

Certifications

The enterprise has obtained a number of industry honors and national 3A-level quality and integrity brand certification, holding industry status as the Vice Chairman Unit of Hebei Fastener Association and Executive Director Unit of relevant national chambers of commerce.

Production Capacity Production Equipment Quality Control Certifications

OUR STRENGTHS

Production Capacity

Production Capacity

The company covers an area of 40,000 square meters with over 300 employees, achieving an annual output of more than 20,000 tons each for self-drilling screws and hot-dip galvanized bolts, capable of standard supply and customized special-shaped fastener production.

Production Equipment

Production Equipment

It is equipped with over 200 sets of advanced Taiwan-origin self-drilling screw production equipment and 6 numerical control production lines, featuring advanced hardware configuration and high automated production level.

Quality Control

Quality Control

Following the ISO9001:2015 quality management system, the company has built a complete quality inspection laboratory and implements strict full-process quality control and testing from raw materials to finished products.

Certifications

Certifications

The enterprise has obtained a number of industry honors and national 3A-level quality and integrity brand certification, holding industry status as the Vice Chairman Unit of Hebei Fastener Association and Executive Director Unit of relevant national chambers of commerce.

 

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