Stainless Steel Countersunk Phillips Screws
Product Overview
Stainless Steel Countersunk Phillips Screws are a widely used type of fastener known for their flush-fit head design and excellent corrosion resistance. Designed with a flat head that sits low and flush with the surface, these screws are driven using a Phillips screwdriver, allowing for easy and efficient installation. These screws are manufactured for use in a variety of environments where both aesthetics and durability are important. The stainless steel composition makes them resistant to rust and suitable for indoor and outdoor applications. At Flybear Fastener, we manufacture these screws to meet international standards ensuring top-tier quality and performance.
Product Specifications
| Specification | Details | 
|---|---|
| Product Name | Stainless Steel Countersunk Phillips Screws | 
| Head Type | Countersunk Flat Head | 
| Drive Type | Phillips | 
| Standards/Norms | DIN 965, ISO 7046, ASME B18.6.3 | 
| Thread Type | Metric Coarse / UNC / UNF | 
| Sizes Available | M2 – M10, #2 – 1/2″, Custom sizing available | 
| Length Range | 4mm – 60mm | 
| Material | Stainless Steel A2-70, A4-80 | 
| Surface Finish | Plain, Passivated | 
Technical Data Table
| Property | Stainless Steel A2-70 | Stainless Steel A4-80 | 
|---|---|---|
| Tensile Strength | 700 MPa | 800 MPa | 
| Yield Strength | 450 MPa | 600 MPa | 
| Hardness (HV) | 200 HV | 250 HV | 
| Temp. Resistance | Up to 300℃ | Up to 400℃ | 
| Corrosion Resistance | Excellent | Superior | 
Material & Manufacturing Process
These screws are manufactured using high-grade stainless steel materials such as AISI 304 (A2-70) and AISI 316 (A4-80), known for their strength and corrosion resistance. The production process includes cold forming, CNC threading, precision machining for the countersunk head, and final passivation treatment that enhances oxidation resistance. The manufacturing process follows ISO9001:2015 quality control standards, ensuring consistency and reliability.
Common Applications & Industries
Stainless Steel Countersunk Phillips Screws are widely used in industries such as:
- Marine and offshore constructions
 - Automotive assemblies
 - Furniture and cabinetry manufacturing
 - Aerospace and aviation
 - Commercial construction and interior design
 - Consumer electronics
 
These screws are preferred in areas where flush mounting is necessary and where visual appeal and corrosion resistance are equally important.
Product Advantages and Competitive Strength
The Stainless Steel Countersunk Phillips Screws Stand Out Due to:
- Precision Manufacturing: Closely controlled tolerances ensure seamless fitment and reliable thread engagement.
 - Superior Surface Treatment: Anti-rust and anti-corrosion finishes like electro-polishing or passivation extend service life.
 - Material Excellence: Made from genuine stainless steel grades like A2 and A4, offering excellent mechanical and anti-corrosion properties.
 - Customization: Fully customizable in terms of size, thread, finish, and packaging as per client requirements.
 - Strong Stockholding: Ready inventory for standard sizes ensures prompt dispatch and reliable lead times.
 - Dedicated After-Sales Support: From technical guidance to warranty services, our technical team is always available.
 
Company Quality Inspection & Control Standards
At Flybear Fastener, each Stainless Steel Countersunk Phillips Screw undergoes a meticulous multi-stage quality inspection. This includes dimensional verification using digital calipers and coordinate measuring machines (CMM), thread precision testing, hardness and tensile strength analysis, corrosion resistance checks through salt spray testing, and final visual inspection. Our in-house testing lab ensures every product batch complies with stringent international benchmarks.
Selection & Purchasing Guide
When selecting the right Stainless Steel Countersunk Phillips Screws, consider the material grade based on exposure to corrosive environments (A2 for indoor/general use, A4 for marine/outdoor applications). Choose the appropriate thread pattern based on mating material and installation methods. Also, determine the suitable length and diameter for optimal load-bearing performance.
If you are unsure of the specifications needed, our technical team at Flybear Fastener is available to provide tailored recommendations.
Conclusion and Brand Commitment
At Flybear Fastener, we pride ourselves on delivering stainless steel fasteners that combine performance, precision, and aesthetic excellence. Our fastener products are engineered to meet the evolving needs of multiple industries and applications. We understand that every project is unique, which is why our expert team offers complete support throughout the supply process, from planning through to delivery.
We always adhere to our core belief: “Quality first, customer foremost,” and are committed to offering high-grade fastener products and comprehensive solutions to our clients globally.
Explore our extensive product line or contact us today for customized industry solutions and competitive quotations.








