Steel Titanium Step Drill Bit Set 4-12/20/32mm Metal Hole Cutter Wood Cone Core Drilling Hole Saw Tool Straight Slotted Hexagonal Shank Step Drill
Features:
1. Real materials, widely used.
2. The surface is plated with titanium, sharp and durable.
3. Straight groove design: fast drilling and large chip removal.
4. Firm handle: Hexagonal handle design is firm and durable.
5. A pagoda-like structure worth more than one twist drill of different specifications.
Specification:
Type: 4241 Straight Slotted Hexagonal Shank Step Drill
Surface treatment: Titanium plating
Material: High-speed steel 4241 (suitable for workpieces with a hardness below 25°, such as wooden boards, thin iron plates, etc.)
Optional specifications:
4-12mm (5 steps: 4, 6, 8, 10, 12mm)
4-20mm (9 steps: 4, 6, 8, 10, 12, 14, 16, 18, 20mm)
4-32mm (15 steps: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm)
3-in-1 suit: 4-12mm, 4-20mm, 4-32mm
Application:
Drilling and reaming of thinner iron plates, aluminum plates, copper plates, plastic plates and other materials.
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Features:
1. Not easy to slip, firmer and more durable.
2. Wear-resistant split design to prevent the drill bit from slipping.
3. The surface increases wear resistance and anti-oxidation treatment, and has a long service life.
4. The spiral groove has low cutting resistance, which is beneficial to drilling/reaming/upper chip removal.
5. The handle is reinforced and more durable, and the handle end is reinforced, which is more firm and not easy to break.
6.Three-edge cutting, drilling and threading, continuous chip cutting, smooth cutting, high efficiency, low consumption, and longer service life.
Specification:
Type: Nitride triangular shank spiral groove step drill
Specifications: 4-12, 4-20, 4-32mm
Handle type: triangular handle
Material: High Speed Steel 4241
Surface treatment: Nitride black
It is used for workpieces with hardness below 25°, such as carbon steel, thin iron plate, insulating plate, PVC plate, wood board, and the thickness of the plate is below 3MM.
Shipping list:
4-12mm/4-20mm/4-32mm Pagoda bit*1 (optional) or
1*3 pieces of drill bits
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