7pcs 3-12mm Cross Spear Phillips Head Drill Bit Set 3/4/5/6/8/10/12mm Ceramic Tile Glass Marble Drill

Descriptions:
7pcs 3/4/5/6/8/10/12mm cross spear phillips head drill bit ceramic tile glass marble drill

Specification:

Material: Cemented Carbide
Shank: 1/4" hex

Diameter: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm 
Quantity: 1 set
 

- Higher hardness, more durable.

- Surface coated, rust-proof.

- Can also be processed thin wood, plastic and acrylic, 3 In 1, save time and energy.

- Applicable to some types of carbon steel and ordinary steel, copper and aluminum m agnesium alloy drilling hole.