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The Spiral Drill Bits Set performs all three operations with one bit, providing you with the same accuracy and power in a simple, fast, and easy-to-use package.
- High quality and brand new
- Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc.
- Fast replacement composite cone, uses drill edged principle
- Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency
- Self-centering point, do not need assistant center drilling or center punching
- High hardness, rustproof, solid and durable
- Sizes: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5
- HSS Shank: 1/4 "(6.35mm) hex shank diameter
- Steel Thread Direction: Right
- Number Of Pieces: 6 x Hexagon handle spiral drill bits
- Surface Treatment: White diamond
- Blade Length: 28mm
- General Use: 6.35 mm sided pattern
- Material: Alloy Steel
- Type: Hexagon handle compound Tap Drill Bits
- Total Length: 58mm
- Handle Long: 30mm
They work great!! I am always working on small projects at home. A much have for your tool box.
They work rather well at this time I have used 2 of them. Worked great
Great product kept me from using wrong drill for tap, also made tapping easy