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Original Stainless Stainless Steel Drilling Screw with Flat Cross Head Countersunk Design


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Product Highlights

Premium Stainless Steel: Made from 201, 304, 316, 304L, 316LB8, B8, B8M, and duplex steel for superior durability.
OEM/ODM Customization: Expert R&D team supports customized product design, size, quantity, and material details.
Versatile Head Design: Flat cross head countersunk design suitable for machinery, chemical, and construction applications.
Multiple Finish Options: Available in Polishing, Hot-DIP Galvanizing, Electro, Oxidation, and original stainless steel color.
Fast Standard Delivery: Standard parts ship within 7 days post-order for quick project completion.
Free Sample Availability: Free samples available for evaluation; buyer covers shipping costs for standard requests.
Global Shipping Support: Ships via Carton+Pallet packaging with flexible terms including FOB, EXW, CIF, and DDP.
Factory Direct Supply: Direct manufacturer with 12 production lines, ensuring quality control and competitive pricing.

Product Attributes

Customization: Available
Material: Stainless Steel
Type: Countersunk Head
Groove: Cross
Connection: Thread
Head Style: Countersunk
Standard: DIN, GB, ANSI, JIS
Color: The Original Color of Stainless Steel
Treatment: Ponishing,Galvanizing, Oxidation
Finish: Polishing, Hot-DIP Galvanizing, Electro
Application: Machinery, Chemical Industry, Environmental, Build
Package: Carton+Pallet
Shipping Time: 15-45 Days
Service: OEM/ODM
Transport Package: Standard Packing
Trademark: no
Origin: Dainan
Production Capacity: 100000 PCS/Week
Package Size: 50.00cm * 45.00cm * 30.00cm
Package Gross Weight: 30.000kg

Original Screw Stainless Steel Screw Original Stainless Stainless Steel Drilling Screw with Flat Cross Head Countersunk Design

Product Description

Product Introduction:

Screws are fasteners similar to bolts but with different applications. Their core characteristic is that they usually do not require a nut. Instead, they are screwed directly into pre-drilled threaded holes (such as internal threads or wire thread inserts) in the connected parts through their own threads, or they form internal threads in softer materials through self-tapping, thereby achieving the functions of fastening, connecting, or positioning.

Product Features:

Screw Core Classifications:

Machine Screws: These have standard mechanical threads (e.g., metric, imperial) and must be screwed into pre-machined internal threaded holes. The shank can be fully or partially threaded, used for precision assembly.

Self-Tapping Screws: These have the ability to drill, tap, and push, eliminating the need for pre-drilled internal threaded holes. Subcategories:

Ordinary Self-Tapping Screws: Used for plastics, wood, and thin metal sheets.

Self-Drilling Self-Tapping Screws: These have a drill tip that can penetrate steel plates, eliminating the need for pre-drilling and greatly improving efficiency.

Wood Screws: These have deep threads, large pitch, and sharp teeth, specifically designed for wood, providing strong locking force.

Set Screws: Used to fix the relative position of parts, preventing slippage or rotation. Various end shapes are available:

Tapered End: Provides high locking force, suitable for surfaces with high hardness.

Flat End: Large contact area, does not damage the surface.

Concave End/Cylindrical End: Used for positioning or pressing into holes on shafts.

Structural screws: a type of high-strength self-tapping screw that has undergone heat treatment and can be used to replace traditional bolts for steel structure connections, making installation faster.

Key Characteristics:

Compared to bolts, screws have the following distinct characteristics:

Primarily "tapping" or "screwing": Their core function is to directly form a threaded fit with the material being connected, rather than relying on a nut.

Relatively Frequent Disassembly: Commonly used for securing covers, panels, and components that require frequent assembly and disassembly.

Wide Size Range: From miniature precision screws used in eyeglasses and watches to large self-tapping screws used in building structures.

High Functional Integration: Many screws integrate multiple functions such as drilling, tapping, locking, and sealing (e.g., screws with washers, sealing screws).

Requirements on Substrate: Their load-bearing capacity largely depends on the strength of the substrate (e.g., plastics, wood, metal sheets).

Typical Application Areas:

Screws are ubiquitous, covering almost all industrial and daily life sectors:

Electronics and Appliances: Extensive use of miniature machine screws and self-tapping screws to secure housings, circuit boards, and internal components. Materials are mostly stainless steel or surface-treated carbon steel.

Machinery and Automation: Ideal for securing panels, covers, sensors, guide rails, clamps with hex or pan head screws.

Construction and Decoration:

Drywall Screws: Connect drywall to joists.

Structural Screws: For light steel and wood structures.

Self-Drilling Screws: Secure color steel plates to purlins.

Automotive: Uses self-tapping and special screws in interiors, wiring, electronics, and decor.

Furniture: Wood screws connect wood and boards, e.g., particleboard.

Precision: Miniature screws demand high material and tolerance standards.

Aerospace: Utilizes high-strength, lightweight titanium or non-alloy screws.

Main Products

Application Scenarios

Xinghua Ruibang, established June 16, 2016, in Dainan Town, Xinghua City, Jiangsu, China, is a stainless steel fastener manufacturer using 201, 304, 316, 304L, 316LB8, B8, B8M, duplex steel, and more.

Business: Production, processing, sales of stainless steel parts and products. Annual output: US$10 million, 12 production lines, 50+ employees.

Applications: Home decoration, construction, automotive, aerospace, electronics.

Main products: bolts, nuts, screws, washers, threaded rods, non-standard items.