Drillpro 3Pcs 1/4 Inch Hex Shank HSS Blue-plated Step Drill Bit Set Spiral Groove Hole Cutter Tools

Description:

Drillpro 3Pcs 1/4 Inch Hex Shank HSS Blue-plated Step Drill Bit Set Spiral Groove Hole Cutter Tools 4-12/4-20/4-32mm

Specifications:

Product Name	Step Drill Bit Set
Brand	Drillpro
Material	High Speed Steel
Coating	Nano Blue Coating
Shank	Hexagon
Size	4-12mm/4-20mm/4-32mm
Length	4-12mm Length: Approx. 75mm/ 2.92 4-20mm Length: Approx. 73mm/ 2.90 4-32mm Length: Approx. 102mm/ 4.05
Quantity	3 Pcs ?? Step Drill Bit

Size	Step
4-12mm?	9 Step: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm,11mm, 12mm
4-20mm	9 Step: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm
4-32mm	15 Step: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm

Features:

- Unique step structure, a single drill bit can drill holes in multiple different sizes.

- Compared with ordinary twist drill bits, these pagoda drill bits are not easy to break off, effectively saving use cost.

- This drill bit makes it possible to achieve deburring, chamfering, hole expansion and other functions that twist drill bit cannot complite.

- High-speed steel construction can extend the life of the cutting edge even under extreme temperatures.

- Blue coating enhances drill bits` resistance to heat, corrosion and rust.

- Suitable for workpieces with hardness below 25?￣, such as iron plate, aluminum plate, PV plate, insulation board, etc.

Package Included:

1 Pc ??	4-12mm (9 Step) Step Drill Bit
1 Pc ??	4-20mm (9 Step) Step Drill Bit
1 Pc ??	4-32mm (15 Step) Step Drill Bit

More Details: