Combined with the material to be processed, select the appropriate feed rate and cutting speed to increase tool life and obtain better processing accuracy and performance. The cutting edge, milling, hole and plate edge are, and the for surface is clean, neat and burr-free.
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Optional Drill Bits size: 0.6mm, 0.8mm, 1mm, 1.2mm,1.3mm,1.5mm,1.6mm,1.8mm, 2.0mm, 2.2mm. Color:gold（as picture ）. Length：50mm. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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1 High speed steel drill bit. Mainly used for hole processing. Material: high speed steel. Length: about 150mm. Size: 12mm/14mm/16mm/18mm/20mm/22mm/25mm/28mm/30mm/32mm/35mm (optional).
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Multi-Size Range: Includes 4-12mm step drill and 8-20mm countersink for versatile hole sizing. Hex Shank : Features a secure grip for stable drilling performance with various materials. High-Speed Steel: Made of HSS4241 for efficient cutting and heat resistance during prolonged work.
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Drill bit size: 2.8mm, 3.0mm, 3.2mm, 3.5mm, 4.0mm (optional). Material:Aluminum Alloy. Color:silver. Size:10 45mm/0.39 1.77in. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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For for Construction: Crafted from high-speed steel (HSS) and coated with gold, our drill bits are designed for exceptional resistance and longevity, they outperform standard options available on the market.
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Material:HSS. Easy to Use: Engineered for user convenience, these drill bits are straightforward to operate, allowing for quick setup and effortless drilling without requiring extensive experience.
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