HSS Step Drill Bit Set Metal Hole Spiral Power Tools Change

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Description:

Constructed of industrial high speed steel with titanium nitride coating for durability and strength
For plastic, aluminum, wood, copper, stainless steel and other types of sheet metal.
Two-flute spiral grooved design deburrs , dust and debris
For 3 standard spiral step drill bits can drill 32 different size

3pcs HSS Step Drill Bit Set Spiral Tools Change Speed Black 4-32mm

Specification:

Type: Step Drill
Material: High Speed Steel
Size: 4-12mm,4-20mm, 4-32mm

Package Includes:

1 Set Step Drill Bit

3pcs Cobalt Step Drill Bit;Power Tools for DIY Plastic Wood Metal

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