This Step Drill Bit Set is ideal for drilling shallow or deep holes in a variety of materials including steel, brass, wood, plastic, and much more. With a unique stepped construction, one drill bit can drill different sizes. Sizes are engraved on the bit for proper depth. Made of high quality HSS, it is tough and durable. Titanium coating reduces friction and heat and extends life of the bit.
- Drill perfect shallow or deep holes without center punch
- Drill in a variety of materials including steel, brass, wood, plastic, and much more
- Can be used for chamfering, deburring, and drilling elliptical holes
- Unique stepped construction, drill different sizes with one bit
- Sizes are engraved on the bit for proper depth
- Made of high quality HSS, tough and durable
- Titanium coating reduces friction and heat for extended life
- Spiral grooves, hex shank
- Specification:
- Material: High Speed Steel 4241 (Suitable for Use in Hardness 25 Degree Below the Work piece)
- Surface Treatment: Titanium Plated
- Shaft Type: 1/4″ Hex Shank
- Color: Golden
- Quantity: 3pcs
- The 3 Cutters Come in the Following Sizes:
- 4 – 12 mm 9 Steps (4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm) x 7cm(L)
- 4 – 20 mm 9 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) x 7cm(L)
- 4 – 32 mm 15 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm) x 10cm(L)
- Suitable for: Using to Cut Holes in a Variety of Materials Like Steel, Wood, Thin Iron, Aluminum Alloy, Insulation Boards, PVC Sheet, etc