ROMANSENTIAL 10Pcs Drill Bits Precision Parts Processing in Circuit Board

Description

This item is a set of 10pcs professional and practical drill Cutting diameter all are 0.8mm. 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.-tile drill bit

Features

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- Material: Cemented carbide.
- Diameter: 3.175mm.-precision pcb drill bits
- Cutting Diameter: 0.8mm.-mini drill bits
- Overall Length: About 38.1mm.-drill bit set
- Quantity: 1 set (10pcs).-engraving bit
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.-carbide drill bit set
- Use of ultra-fine grain carbide material with good milling, cutting performance, ensure high work efficiency.-carbide drill bits
- Have sufficient bending strength and wear resistance; High hardness, high wear resistance, high strength.-bits for hand drills
- cutting edge, milling, hole and plate edge, surface clean, neat, no .-pcb drill bit
- Perfect in PCB, , CNC, , plastic fiber, carbon fiber, super , printed circuit board, other precision parts processing.-pcb drill bit set