Test item 测试名称: Screwdrivers and screwdrivers accessories 螺丝刀和螺丝刀配件
Test info 测试内容：
| 4. Material |
| 4.1 Screwdriver blades and bits |
| 4.2 Handles |
| 4.2.1 wood (moisture) |
| 4.2.2 plastics |
| 4.3 Ferrules |
| 4.4 Blade sleeving (use on low d.c. voltage) |
| 4.5 Ratchet screwdriver components |
| 4.6 Spiral ratchet screwdriver component |
| 4.7 Jeweller’s screwdrivers |
| 5. Heat treatment and hardness |
| 5.1 Blades and bits for slotted head screws |
| 5.2 Blades and bits for cross – recessed head screws |
| 5.3 Ratchet screwdriver and spiral ratchet screwdriver components |
| 6. Assembly |
| 6.1 General |
| 6.2 Screwdrivers for slotted and cross-recessed |
| head screws |
| 6.3 Ratchet screwdrivers |
| 6.4 Spiral ratchet screwdrivers |
| 6.5 Jeweller’s screwdrivers |
| 7 Finish |
| 7.1 Screwdriver blades and bits for slotted head screws annd recessed head screws |
| 7.2 Handles |
| 7.3 Ratchet sleeves |
| 7.4 Spiral ratchet screwdrives |
| 7.5 Jeweller"s screwdrivers |
| 8 Design and dimensions |
| 8.1 General |
| 8.2 Screwdriver blades and bits for slotted head screws |
| 8.3 Screwdriver blades and bits for cross-recessed head screws |
| 8.4 Ratcher screwdrivers |
| 8.5 Spiral ratchet screwdrivers |
| 8.6 Jeweller"s screwdriver blades |
| 9 Marking |
Sample size 送样规格：6pcs
Lead time 测试周期: 常规 Regular 9 working days
Others 其他信息：
Sample for reference 参考图片:
