Feature

●[High-speed spiral construction]: these twist drills use high-speed spiral construction, the drilling speed is considerably higher than standard drills, and the grooves contribute to reducing friction and heat
●[Make drilling more labor-saving]:The cutting edge of this twist drill bit is hardened and polished to achieve the purpose of sharpness. The longer you work, the more labour-saving you can drill
●[5 Popular Sizes]: this HSS drill bit set includes 5 most popular drill bits with diameters ranging from 2mm, 3mm, 3.5mm, 4mm, 5mm and lengths from 150mm to 160mm
●[High hardness and durability]: this extra length drill bit is made of high quality high speed steel with strong hardness, good wear resistance and durability
●[Scope of Application]:These high speed long drill bits can be quickly installed on most electric drills and drills, which are used for drilling wood, plastic, aluminum, etc. Suitable for:


Description

Features:

- Twist drill bits are made of high speed steel for high hardness and durability.

- This set contains 5 pieces of drill bits in different sizes of the most popular drills.

- With the extra long cutting edge, you can drill deep holes with these bits.

- They are ideal for most drilling jobs and materials such as aluminium, wood and plastic.

- Sharp-turned drills make drilling easier and effortless.

Specifications:

Material: high-speed steel.

Type: Twist Drill Bit

Diameter: 2 mm, 3 mm, 3.5 mm, 4 mm, 5 mm.

Length: 150 mm ~ 160 mm.

Package includes:

5 x drill bits.