| 1. | Countersunk head screws - head configuration and gauging 埋头螺钉.头部外形和测量 |
| 2. | Slotted raised countersunk head screws with waisted shank 开槽半沉头不脱出螺钉 |
| 3. | Slotted raised countersunk head screws with full dog point 带全蜗杆槽头半沉头螺钉 |
| 4. | Hexagon lobular socket raised countersunk head screws 内六角花形半沉头螺钉 |
| 5. | Rech slotted 90 degrees countersunk head screws . sim thread 90沉头开槽螺钉. sim螺纹 |
| 6. | Slotted countersunk head screws with full dog point 带全蜗杆槽头沉头螺钉 |
| 7. | Raised countersunk head screws with 12 point socket 12孔座的半埋头螺钉 |
| 8. | Hexalobular socket raised countersunk head screws 内六角花形半沉头螺钉 |
| 9. | Slotted countersunk head screws with waisted shank 开槽沉头不脱出螺钉 |
| 10. | Countersunk head screws - head configuration and gauging 头部形状和测量 |