Feature

●Material The step drill bit is made of professional high speed steel with high hardness, corrosion resistance, special coating and rustproof design.
●Chip-free drilling: deburring holes automatically when drilling. Step drill chips facilitate chip removal during drilling work, allowing you to drill quickly and smoothly and create clean holes in iron, steel and aluminium sheets.
●Surface treatment: nitrogen treated to increase hardness and wear resistance.
●Varieties: 14 sizes: 4 - 42 mm (4, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42 mm)
●Application The step drill bit is very suitable for drilling, drilling iron plate, PVC board, insulation board and other panels. Drills offer great convenience.


Description

Key Features:

- High-speed steel tools are suitable for most all-purpose applications and offer a combination of hardness and toughness for wear resistance.

- Have multi-function, a great helper for deburring, chamfering and expanding holes.

- Made of high speed steel, durable and long lasting.
- 14 sizes: 4 - 42 mm (4, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42 mm).

- Commonly used to drill holes in a variety of materials such as steel, wood, thin iron, aluminium alloy, insulation boards, PVC panels and more.

Box contents:

1 x HSS Step Drill Bit 4-42mm