Product Specifications
| Model / Specification | #2 – 3/8" |
| Material | Stainless Steel |
| Thread Size d |
#2 | #3 | #4 | #5 | #6 | #8 | #10 | #12 | 1/4 | 5/16 | 3/8 | |
| dk | Max. | 0.162 | 0.187 | 0.212 | 0.237 | 0.262 | 0.312 | 0.362 | 0.412 | 0.477 | 0.597 | 0.717 |
| Min. | 0.144 | 0.167 | 0.191 | 0.215 | 0.238 | 0.285 | 0.333 | 0.38 | 0.442 | 0.556 | 0.67 | |
| k | 0.051 | 0.059 | 0.067 | 0.075 | 0.083 | 0.1 | 0.116 | 0.132 | 0.153 | 0.191 | 0.23 | |
| s | 0.05 | 0.07 | 0.07 | 0.091 | 0.091 | 0.112 | 0.112 | 0.133 | 0.133 | 0.191 | 0.191 | |
| t | Max. | 0.033 | 0.038 | 0.038 | 0.055 | 0.055 | 0.063 | 0.075 | 0.095 | 0.095 | 0.1 | 0.1 |
| Min. | 0.028 | 0.028 | 0.028 | 0.04 | 0.04 | 0.048 | 0.06 | 0.08 | 0.08 | 0.085 | 0.085 | |
STAINLESS STEEL SQUARE DRIVE SCREW (US STANDARD) — PRODUCT INTRODUCTION
The Stainless Steel Square Drive Screw (US Standard) is a high-quality fastener conforming to the American ANSI/ASME B18.3 standard. This product is manufactured from premium stainless steel material, featuring a square drive head design that works with dedicated wrenches, offering reliable locking performance and vibration-resistant anti-loosening characteristics. The product is widely applied in North American standard mechanical assembly, electronic equipment, automotive manufacturing, precision instruments, and other fields.
I. Product Features
Square Drive Design: The head features a square socket structure that works with dedicated square wrenches, providing high tightening torque, preventing slippage, and ensuring more reliable locking.
US Standard Precision: The threads and dimensions fully comply with ANSI/ASME B18.3 standard, offering strong interchangeability, suitable for export and US standard equipment assembly.
Stainless Steel Material: Premium 304/316 stainless steel is selected, featuring high strength and corrosion resistance, suitable for long-term use in various environments.
Full Thread Design: The screw shaft features a full thread structure, adapting to different installation depth requirements, providing more flexible applications.
II. Product Advantages
Excellent Anti-Loosening Performance: The square drive配合 dedicated tools ensures the screw does not easily loosen after tightening, particularly suitable for equipment subject to vibration.
Strong Corrosion Resistance: Stainless steel material provides excellent oxidation and corrosion resistance without additional surface treatment, offering long service life.
Standardized Dimensions: Precision machining ensures dimensional consistency, strong interchangeability, suitable for high-volume配套 applications.
Wide Application Range: Applicable from electronic products to heavy machinery, offering excellent versatility.
III. Scope of Application
Mechanical Equipment: Structural connections and component fastening for machine tools, construction machinery, and agricultural machinery.
Electronics and Electrical: Enclosures and internal component fastening for power boxes, control cabinets, and home appliances.
Automotive Manufacturing: Assembly points requiring anti-loosening for engine accessories, chassis components, and interior trim parts.
North American Export Products: Conforming to US standard specifications, suitable for equipment and product assembly for export to the North American market.
Precision Instruments: Scenarios requiring precise locking for measuring equipment, optical instruments, and experimental apparatus.
