
3~8mm 6pcs serrated twist drill bit
Features:
1. Brand new and high quality, 3~8mm 6pcs serrated twist drill bit.
2.6 most common sizes to meet all your needs. This drill set fits most drills on the market today and comes with a portable plastic bag for easy storage and organization.
3. Industrial grade 6542 HSS drill set, which is harder than 4241 HSS used in other similar drill sets. These bits also contain 5% cobalt for improved wear resistance and durability.
4. Fully ground helical flute design quickly reduces friction and heat for faster, cooler drilling performance. The 135-degree split point of the straight handle prevents walking, and the drilling is more accurate and faster. Center punch is not required.
5. Suitable for cutting hard metals such as stainless steel, steel and cast iron as well as wood, aluminum alloy and other softer metals, including ceramic tile, concrete, ceramic tile, brick, wood, plastic, glass, masonry, etc.
6. The product has a sharp edge and high drilling efficiency. There are sharp serrations in the center of the product, with the help of which the drill can continue to drill horizontally after drilling.
Product Specifications:
Material: Titanium-plated surface, high-speed steel
Size: 3mm, 4mm, 5mm, 6mm, 6.5mm, 8mm
Color: Gold
Name: serrated drill
Features: high hardness/good wear resistance/sharp edge/faster drilling
Package list:
6Pcs serrated twist drill bit















