










4-12 4-20 4-32MM HSS Cobalt Step Drill Bit Set Nitrogen Spiral for Metal Cone Hole Bit Opener Spiral Cobalt Step Drill Bit
7.95$
1.31$
Quantity:
1
Availability:
Color
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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
Material: High-speed steel
Size:4-12mm/0.15-0.47 inches, 4-20mm/0.15-0.78 inches, 4-32mm/0.15-1.25nches
Package Included:
1pc or 3pcs drill bit






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4-12 4-20 4-32MM HSS Cobalt Step Drill Bit Set Nitrogen Spiral for Metal Cone Hole Bit Opener Spiral Cobalt Step Drill Bit
7.95$
1.31$
Quantity:
1
Availability:
Color







