Feature●Drill bits are made of carbon steel and the countersunk holes are made of high quality 45# steel to ensure long life●Suitable for drilling holes on low-hardness boards such as wood, plastic and other soft materials●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●The 5-blade design reduces the load of the shaving, making removal quicker and easier to discharge wood sawdust more quickly●The combination of drill bits and countersunk bits is ideal for drilling, beveling, deburring, and countersunk drillingDescription
Specifications:
Material: Carbon steel (drill bit), 45# steel (countersunk holes)
Countersunk flute: 5
Drill Bit Diameter: 3mm, 3.5mm, 4mm, 4.5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm, 3-10mm (3/4/5/6/7/8/10mm), 3-6mm (3/4/5/6mm) (optional)
Countersunk Diameter: 0.6 inches (15.8 mm) Hex Wrench 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: There are only 7 pieces in 3-10 sets and 4 pieces in 3-6 sets.