Pretyzoom 10Pcs Woodworking Tools Carbide Engraving Drill Bits for Carving with Assorted Colors

Description

This item is a set of 10pcs professional and practical drill bit. Cutting diameter all are 1.0mm. Industrial grade tungsten steel for higher durability. Suitable for drilling in tough material, including aluminium, cast iron, brass, copper, magnesium alloy, plastics, etc. for DIY, home, general building and engineering use.-efficient circuit board drill bits

Features

- ColorAssorted Color
- Material: Cemented carbide.
- Diameter: 3.175mm.-pcb engraving bit
- Cutting Diameter: 1.0mm.-Hard Alloy Drill Bits
- Overall Length: About 38.1mm.-tiny drill bit set
- Quantity: 1 set (10pcs).-Carbide Drill
R: 0.1mm Length: 1.8mm;
R: 0.15mm Length: 2.7mm;
R: 0.2mm Length: 3.5mm;
R: 0.25mm/0.275/0.3 Length: 4.5mm;
R: 0.35mm Length: 5.5mm;
R: 0.45/0.5/0.55mm Length: 7mm;
R: 0.6-1.2mm Length: 8-10mm.
- Without sticking, smokeless, and silent during processing.-engraving micro drill
- Use of ultra-fine grain carbide material with good milling, cutting performance, ensure high work efficiency.-printed circuit board drill bit
- Have sufficient bending strength and wear resistance; High hardness, high wear resistance, high strength.-pcb drill
- cutting edge, milling, hole and plate edge, surface clean, neat, no .-carbide tipped drill bits
- Perfect in PCB, , CNC, , plastic fiber, carbon fiber, super hard wood, printed circuit board, other precision parts processing.-pcb bits