3pc/set 4-20/32MM HSS Cobalt Step Drill Bit Set Nitrogen High Speed Steel Spiral For Metal Cone Triangle Shank Hole Metal Drills
Feature: Specifical step design, one drill for many sizes, very convenient.
Durable.
Cutting material: iron sheet, aluminum, insulation board, PVC plate wood thickness in 4mm.The hole with a drill can play a variety of.
Specifications: Type:step drill bit set
Material:high-speed steel
Size:4-12mm,4-20mm, 4-32mm
Package Included: 1x 4-12mm drill
1x 4-20mm drill
1x 4-32mm drill
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Shipping Info:
- Estimated Delivery Time: US 10-25 Days; Worldwide 15-30 Days.
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