HSS Titanium Coated Umbrella Step Drill Bit Set 3-30.5mm

3-piece HSS Titanium Plated Umbrella Drill Bit Set for chamfering and step drilling applications.

• Unique umbrella structure allows single drill to create multiple aperture sizes
• Eliminates need for center punch and more durable than standard twist drills
• Performs deburring, chamfering and round hole reaming in one operation
• Made from 4241# high speed steel for easy drilling and sharp cutting edges
• Gold titanium plating resists fading and scratching

• Material: High-speed steel 4241
• Style: Taper Umbrella
• Color: Gold
• Shank Sizes: 6mm, 8mm, 10mm
• Size Options:
  • 16-30.5mm (0.62"-1.2") with 10mm handle diameter
  • 6-20mm (0.1"-0.79") with 8mm handle diameter
  • 3.3-14mm (0.13"-0.55") with 6mm handle diameter

3 pieces umbrella chamfer chamfering cutter

• Standard packaging: 5/10 pieces in plastic bag with inner box and outer carton
• Custom options: Blister card, plastic tube, or PVC pouch available
• Sample/small orders shipped via courier (DHL, FEDEX, TNT)
• Bulk orders shipped by sea
• Production lead time: 20-30 days after deposit

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