4-12/4-20/4-32mm Hex Shank Cone Drill Thin Aluminum Plate Hole Opening Tool Set

Diumc
4-12/4-20/4-32mm Hex Shank Cone Drill Thin Aluminum Plate Hole Opening Tool Set

Specifications: Made of high speed steel 4241 material, durable and wear-resistant. Suitable for electric drills, bench drills, and processing workpieces with a hardness of 25 degrees and a thickness of 2mm or less, such as aluminum plates, PV plates, and insulating plates. The unique step structure, a drill can drill a variety of sizes of the aperture. Type: Hex Step Drill Quantity: 6Pcs, 4Pcs Material: High Speed Steel 4241 Product Specifications: 6Pcs: Step Drill: 4mm-12mm, 4mm-20mm, 4mm-32mm, Serrated Twist Drill: 3mm, 6mm, 8mm 4pcs: Step Drill: 3mm-12mm, 4mm-12mm, 4mm-20mm, Golden Center Punch Features: Easy to Install, Step Drill, Cone Shape Shank Diameter: 1/4" (6.35mm) (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. 6Pcs Package Includes: ; 3 x Step Drills 3 x Serrated Twist Drills 4Pcs Package Includes: ; 3 x Step Drills 1 x Golden Center Punch

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