【Precision Drilling】These PCB drill bits are made from tungsten steel and white steel with a fine grinding process. twisted flute design helps create cleaner holes on circuit board and small detail work.
【Micro Size Range】This micro drill bits set includes 10 pieces with cutting diameters from 0.1mm to 1.4mm. The 3.175mm shank and 38.1mm length fit small drilling tasks for PCB and CNC use.
【Smooth Chip Removal】Large chip discharge space helps reduce drilling resistance and supports smoother scrap removal. This design can lower cutting force and support improved hole wall quality during use.
【Wide Application】Suitable for circuit board drilling solder holes CNC mold sculpture plastic copper stainless steel model engineering jewelry repairs and craft work where delicate and controlled drilling is needed.
【Easy Storage】Comes in a plastic storage case with individual holder positions for each bit. The box measures 8.7 x 5.3cm and helps keep the 10pcs set organized and easy to select during work.

Description:
These bits work fantastic on PCB boards. and twisted flute will make the drilling be more easy and effortless. They come in a easy-to-use plastic case with a holder for each bit. Drills bits are perfect for delicate drilling through hard materials for model engineering, jewelry repairs, craft work, suitable for PCB, SMT, CNC, mold, sculpture, plastic, copper, stainless steel.
Features:
Use materials and fine grinding process makes bit more cutting .
Drill bit has a large scraps discharge space, little resistance and smoothly during the scraps discharge.
Reduce cutting force and broken drill, improve the quality of hole wall.
Easy to change out and do a great job cutting through the PCB for solder holes.
Come in a great storage container that is easy to grab the drill bit you need when you need it.
Specifications:
Material: Tungsten Steel, White Steel
Color: