ISO 7380-2
a) ISO 7380-2 訂定了帶有華司的內六角圓頭螺絲標準。通用內六角梅花孔（6 lobe）設計是另一種在各種應用中廣泛使用的常見替代方案。
b) 此螺絲在牙尾末端有一個延伸的圓柱形尖端( 通稱為狗尾 dog point), 其作用為可在對接的部件中做到精確地對準與定位。
| Description | |
|---|---|
| Material | Stainless steel / Carbon steel |
| Type | ISO 7380 - 2 |
| Driving recess type | Hexalobular socket drive (6 lobe) |
| Head Type | Button head with collar |
| Thread Type | Machine screw thread |
| Surface color | Clean finish / Zinc finish / Zinc nickel plated |
| Thread size / diameter | M3 to M12 |
| Type of end | Extended cylindrical tip (dog point) |
| Field of application | Automotive / Electronics |
| Drive variations | Cross recess type H & type Z |
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相關產品
DIN 7985 / ISO 7045 / ISO 14583
a) 此規範定義了 十字孔盤頭螺絲 (Cross recessed raised cheese head screws) 的規格. 這些螺絲具有凸起的圓柱形頭部, 一般常見孔型為 十字孔 type H (Phillips), 米字孔 Type Z (Pozi), 和 梅花孔 (Hexalobular socket / 6 lobe)
米字盤頭 高低牙螺絲
Cross recee type H (phillips) is available upon request
特殊 Rivet
With small collar around body shank
特殊薄頭螺絲
Square neck under head