Operating Steps:
Step 1: Grab the 1/4" hex shank head and swivel the shell
Step 2: Insert the hex key and anticlockwise to rotate it
Step 3: Remove the drill bit and replace the new one
Step 4: Assemble the parts

The 5/64-inch diameter is about 2 mm, which is suitable for 2.2-2.8 mm self-tapping screws
The diameter of 7/64 inch is about 2.8 mm, which is suitable for self-tapping screws of 3-3.5 mm
The 9/64 inch diameter is about 3.5mm, which is suitable for self-tapping screws of 4-4.5mm
11/64 inch diameter is about 4.5mm, which is suitable for self-tapping screws of 5-5.5mm

Package Type:
All goods will pack into cartons and wrapped full of waterproof tape before shipment.

We can accept customized package to meet different requirements:
1.Every item will separately pack into plastic bag,component,module can be packed in anti static bag.
2.Some fragile products such as the display screen can be packed in bubble bag.
3.Some large machines can be packed in wooden cases.
4.We can label JH code or client's code on package so that customers can check easily after receive goods.