Feature

●The five flute design allows for small chip loads and quick removal to drain sawdust more quickly and smoothly
●There are 10 sizes of 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm, so you can choose what you need
●Suitable for drilling boards with low hardness such as wood, plastic and other soft materials
●Drill bits are made from carbon steel and the countersunk holes are made from quality 45# steel to ensure long life
●The combination of drill bits and countersunk bits is ideal for drilling, beveling, deburring, and countersunk drilling


Description

Specifications:

Material: Carbon steel (drill bit), 45# steel (plates), Countersunk flute: 5

Drill Bit Diameter: 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm, 3-10mm (3/4/5/6/7/8/10mm), 3-6mm (3/4/5/6mm) (Optional) Countersunk Hole Diameter: 15.8mm

Hex Key Size: 2.2 x 0.8 inches (55 x 20 mm)

Quantity: Your Choice

Package Includes:

1pc (or 1 set) x Countersunk Drill Bit

1 x Hex Key

Note: 3-10 sets only 7 pieces, 3-6 sets only 4 pieces