6PCS/Set HSS Titanium Step Drill Bit 4-12/4-20/4-32 mm Step Cone Cutting Tools Steel Woodworking Metal Drilling drill bit set Heavy duty drill bit Original Japanese step drill bit

Description:

1. Made of high speed steel material, stable and durable to use
2. Titanium plating treatment
3. Two Flute Design For Faster, Smoother Cutting
4. The step drill bits Set replaces 29 individual drill bits
5. High strength, hardness and easy to use
6. Suitable for Drilling in Wood, Plastics, Steel, Aluminium and other Non Ferrous Metals Specifications: Material: High Speed Steel Surface Treatment: Titanium Plating Strp Drill Bits: 4-12MM / 4-20MM / 4-32MM Saw Drill Bits: 3MM / 6MM / 8MM Include: 3pcs Strp Drill Bits & 3pcs Saw Drill Bits Package Included: 6* High Speed Steel Drill Bits