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Overview
High Quality Material: Step Cone Drill Bits are made of high speed steel and titanium nitride coated to reduce frictional heat and cool down. Strong and durable. Two-flute and split-point design: The two-flute and split-point design prevents slippage, clears chips quickly and deburrs holes, with reduced pressure, faster and smoother drilling and cutting. 3 Pitch Sizes: Different sizes can meet different needs, design for precision drilling different sized holes from 4mm to 32mm in diameter, covering various pitch sizes helps to drill or enlarge different holes in one bit, optimal speed and accuracy. Suitable for: Widely applicable for cutting or enlarging holes in materials like thin steel, thin metals (thickness≤5mm), wood, thin iron, plastic, aluminum, PVC, fiberglass and etc. Material: HSS Steel + Titanium Coated Type: Drill Press Quantity: 3PCS Color: Gold Usage: Aplly in gun drilling, bench drilling Size: 5 pitch jaws: 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm). 9 jaws: 4-20mm (4mm, 6mm,