1. Use materials and fine grinding process makes the cutting a little sharper
2. The drill has a large waste space, little and smoothly during waste
3. Reduce cutting force and broken drill bit, improve hole wall quality
4. Easy to replace and does an excellent job of cutting through the circuit board for solder holes
5. Comes in a great storage case that makes it easy to grab the drill you need when you need it

Technical data:
Description:
These bits work great on circuit boards. The and twisted groove makes drilling easier and effortless. They come in an easy-to-use plastic case with a holder for each bit. Drills are suitable for fine drilling through hard materials in model making, jewelry repair and craft work. They are suitable for circuit boards, SMT, CNC, , sculptures, plastic, copper and stainless steel.
Characteristics:
Use materials and fine grinding processes ensure a sharper cutting .
The drill has a large discharge space for the waste, low and smooth removal of the waste.
Reduces the cutting force and breakage of the drill, improves the quality of the hole wall.
Easy to replace and does a great job cutting through the circuit board for solder holes.
Comes in a great storage case that makes it easy to grab the drill you need when you need it.
Technical data:
Material: tungsten steel, white steel
Ring Color: Random
Cutting diameter: 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.7mm, 1.2mm, 1.3mm, 1.4mm (optional) Shaft diameter: approx. 3.175 mm
Length: 38.1mm / 1.5 inch
Box size: 8.7 x 5.3 cm / 3.42 x 2.08 inches
Quantity: 10 pieces per set
Weight: 38g (approx.)
Package includes:
1 set (10 pieces) x drill bits
A notice:
Due to different batches, the color of the rings may vary from the picture. Please take the original as standard. Thank you