Drillpro 3Pcs 1/4 Inch Hex Shank HSS Blue-plated Step Drill Bit Set Spiral Groove Hole Cutter Tools
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Product details
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?ﾣ, 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:
