1. Note the screw head cannot exceed the flat key , or release the clutch pedal unit.

2. Using magnetic torque type screw head cover, to achieve grasping cap, screw cap function.

3. Expose surface and screw head should be wiped antirust oil in the distend cover after finishing.

4. The screw head structure also comprises threads, which are located at lower end of the screw head.

5. The flute is located on the screw head, and the inserting recess is located at outer circumference of the flute.

6. The utility model relates to a screw head structure, which comprises a screw head, a flute, an inserting recess and a flange.

7. The screw head fits perfectly with the tailor-made rubber tubing, without using glue. It is easy to install. It is quick and convenient.

8. The lug boss is arranged between the screw head and the screw rod, and the external circumference of the lug boss is provided with a plurality of longitudinal grooves.

9. Wherein the screw comprises a screw head, a lug boss and a screw rod.

10. Constant torque with screw head, the pressure can be easily adjusted. Compact structure, reasonable,[Sentencedict] and to facilitate linkage with other equipment into line.

11. With fixed-angle locking, the screws or pegs are inserted into the plate at a fixed angle, usually by a threaded screw head which engages a thread in a screw hole in the plate.

12. The hollow internal and external threading screw has a hollow screw head with slope on one end, a hexagonal hollow screw on the other end, a hollow internal and external threading screw in the middle.

13. The utility model provides a screw and a screw driver matching with it. The screw comprises a slotted screw head and a screwed screw bolt, and a positioning hole is arranged at the center of the slot.

14. The function of the assembling of the injection mol ding screw head is very important for pressure control during molding operations .

15. The utility model is convenient to carry, and the screw head is also convenient to disassemble and assemble.