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Description
Features:
Can be used with electric drills, reversible drills and power drills to remove screws, bolts and studs around the house, garage or on the job site.
135-degree split point and twist design, great for self-centering and prevent "walking".
High quality high speed steel drill bits perform well in drilling holes on wood, plastic, iron, metal, copper, aluminum, thin stainless steel plate, etc.
HSS with quenching hardened heat treatment, very high quality and good durability.
It includes 25 sizes(1mm-13mm) in one drill bit set, which meet your different needs perfectly.
Specifications:
Material: High-speed Steel 4241
Surface Treatment: Surface Blackening Nitriding Treatment
Hardness: HRC62-65
Shank Type: Straight Shank
Quantity: 25pcs
Color：Black
Sizes: 1mm, 1.5mm, 2mm, 2.5mm, 3.5mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm
Package included：
1 Set 25 Pcs Steel Drill