SAS Alloy Steel Screws High Torque Corrosion Resistant Fasteners

SAS Alloy Steel Screws High Torque Corrosion Resistant Fasteners

SAS Alloy Steel Screws | High Torque & Corrosion Resistant Fasteners

Manufactured in Taiwan with premium Japanese-imported alloy material, delivering a 33% strength boost (ISO 16.9 grade) and extreme corrosion resistance.

SAS Alloy Steel Screws Overview

#SASScrews #SpecialAlloySteel #ISO16point9 #AntiCorrosionFasteners #ChainHeadway

In high-stress, frequent assembly/disassembly, and high-corrosion-risk environments, traditional alloy steel screws and industrial fasteners often suffer from severe wear, thread stripping, and rust. Chain Headway introduces the SAS Special Alloy Steel Screws—manufactured in Taiwan using premium Japanese-imported alloy materials. These high-strength bolts offer ultra-high tensile strength, exceptional wear resistance, and outstanding corrosion protection, making them the ideal upgrade over standard Grade 12.9 screws.

🔩 Why Choose SAS Special Alloy Steel Screws?

SAS Screws Strength and Durability Advantages

✔ 33% Strength Boost (ISO 16.9 Grade):
SAS screws meet the ISO 16.9 strength grade, delivering approximately 33% higher tensile strength compared to standard Grade 12.9 (ISO 12.9) screws. Ideal for high-load clamping, heavy-duty structural fastening, and frequent assembly/disassembly operations.
✔ Proven Wear Resistance Performance:
SAS screws maintained excellent thread integrity even after 30 tightening cycles, whereas traditional alloy steel fasteners showed severe wear and galling damage after just 10 cycles.
✔ Superior Extreme Environment Protection:
Engineered to resist rust, acid rain, and salt spray deterioration, ensuring maximum reliability in harsh industrial and coastal conditions.

SAS Screws Wear and Corrosion Resistance Test

🧪 Material Performance & Corrosion Resistance Comparison

Material GradeSalt Spray TestAcid Rain TestHardness (HRC)Tensile (N/mm²)
SAS Special Alloy Steel8000H ~ 12000H+100 cycles56° ~ 57°1560 ~ 1650
SCM #435< 50H2 cycles36° ~ 41°1254 ~ 1331
SUS #420J2< 150H2 cycles49° ~ 53°1390 ~ 1470

📌 Recommended Setup: Pair SAS screws with the "TW Torque Wrench" to ensure consistent installation torque, enhance assembly precision, and maximize structural safety.

🛠 Recommended Application Scenarios

✔ Machine tools, cutting tool holders, and precision jigs/fixtures assembly
✔ Heavy industrial equipment (e.g., high-pressure hydraulic systems, die-casting modules)
✔ High-frequency assembly/disassembly zones in electronic and automated equipment
✔ Corrosive environments (e.g., coastal regions, high-humidity, and acid-alkali chemical exposure)

❓ Frequently Asked Questions about SAS Screws

Q1: What is the difference between SAS Special Alloy Steel Screws and Standard Grade 12.9 screws?

A1: SAS screws offer approximately 33% higher tensile strength (ISO 16.9), significantly higher wear resistance against thread stripping, and dramatically superior corrosion protection compared to standard Grade 12.9 screws.

Q2: Can SAS screws be used in coastal or high-humidity environments?

A2: Yes. SAS screws are specifically designed to resist corrosion in extreme environments, enduring over 8000H–12000H+ in salt spray testing and up to 100 cycles in acid rain tests without degradation.

👉 Contact Us Immediately

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【Contact Info】

📍 Address: No. 232, Wuquan Rd., Qingshui Dist., Taichung City, Taiwan

📧 Email: info@chainheadway.com

🌐 Website: www.chainheadway.com