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Pantalhas de auto-ataque contrárias com corte de cabeça

Detalles do Produto

SIZE : ST5 TO ST9, LENGHT -35 TO 55MM

HEAD TYPE : Countersunk Serrated Head

MATERIAL : Carbon Steel, Stainless Steel

TAIL TYPE : Cut Tail

FINISH : Plain

Packaging & Shipping

PACKAGING : Bulk Pack | Small Boxed

PRICE TERMS : Fob/CFR/CIF/DDP/DAP

Descrição Especificação Produtos relacionados Forma

Descrição

Product Description:

Countersunk Torx-Combination Drive Coarse Thread Full-Thread Self-Tapping Screws with Cutting Tail are high-efficiency fasteners designed for connections between wood, engineered wood, light steel keels, and composite panels, widely used in furniture manufacturing, renovation projects, and wood structure reinforcement. Manufactured from high-quality high-strength carbon steel (1022/10B21) or stainless steel (304/410) via precision cold forging, heat treatment, and thread rolling, they can be zinc-plated, colored zinc, Dacromet, or stainless steel finished for corrosion resistance and weatherability. The screws feature a 90° countersunk head with Torx-combination drive, compatible with Torx screwdrivers and power bits; the shank has coarse full threads with a cutting tail groove, enabling direct driving into wood without pre-drilling. The cutting groove severs wood fibers to prevent hardwood splitting. The countersunk head sinks flush with the workpiece after installation for a smooth finish; coarse threads provide secure engagement and high pull-out resistance, making them composite fastening solutions balancing high cutting efficiency, anti-splitting, anti-slip performance, and versatility.

Core Advantages:

1.Core Anti-Splitting Design, Zero Installation Waste: Cut-tail tip cuts fibers, reducing torque, eliminating hardwood/thick board splitting, reducing rework
2.Stainless Steel for All-Scenario Durability: 304/316 stainless steel is rust-free in humid/outdoor/coastal areas, lasting 3x longer than carbon steel, cutting maintenance costsParafusos autoatarraxantes serrilhados com encaixe Phillips e cabeça cortada
3.Flat Countersunk Head for Finishing Projects: Smooth post-installation surface, ideal for painting/veneering, perfect for furniture/renovation needing a neat look
4.Torx-Combination Drive for Anti-Slip, High Torque: The Torx (star) combination drive design offers large contact area, high torque transmission efficiency, and reduced slipping, suitable for high-load, high-stress applications while minimizing bit wear during installation
5.Cost-Effective Universal Model, High Efficiency: Combines durability and affordability, significantly cheaper than Torx stainless screws, great value for general use
6.Full Threads for Strong Holding Power: Tightly grips wood for strong hold and stability, great for load-bearing, long-term use
7.Safe and Eco-Friendly for Food-Contact Scenarios: 304/316 stainless steel meets food standards, no harmful substances, ideal for kitchens/baths
Common Applications:
1.Furniture Manufacturing: Assembly/fixing of solid wood furniture, cabinets, tables, chairs, and bed frames
2.Indoor and Outdoor Renovation: Install ceilings, partitions, veneers, flooring, and door/window frames
3.Wood Structures and Outdoor Woodwork: Install wooden houses, boardwalks, decks, anti-corrosion wood projects, landscapesParafusos autoatarraxantes serrilhados com encaixe Phillips e cabeça cortada
4.Bathroom and Kitchen Renovation: Install bathroom/kitchen cabinets, shelves, and bathroom hardware
5.DIY and Maintenance: Home DIY, furniture repair, woodworking, small projects
6.Food-Contact Scenarios: Fix kitchen shelves, dish racks, and food equipment wood parts

FAQ:

Q1: What is the function of the cutting tail groove?

A1: The cutting tail groove severs wood fibers as the screw is driven in, preventing the wood from splitting or chipping, especially in hardwood, thick boards, or end-grain lumber. It reduces installation waste and ensures a clean finish.

Q2: Why use a Torx-combination drive instead of Phillips drive?

A2: Torx-combination drives have larger contact area with the bit, reducing cam-out (slipping) and wear on both the screw and the bit. They transmit higher torque, making them more durable and reliable for heavy-load applications.
Parafusos autoatarraxantes serrilhados com encaixe Phillips e cabeça cortada

Q3: What is the difference between coarse thread and fine thread wood screws?

A3: Coarse threads have wider spacing and deeper engagement with wood, offering higher pull-out resistance and better performance in hardwood or end-grain lumber. Fine threads are better suited for softwood or metal-to-wood connections.

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