Product description:
Product name: Double flute twist drill bit
Material: high speed steel
Diameter: 3.2mm - 5.2mm
Features:
1.It is made of high-speed steel with sharp edge, high wear resistance and high opening efficiency.
2. double thread flute design, smooth chip evacuation and improved drilling efficiency.
Applicable material: suitable for stainless steel, cast iron, aluminium, copper, steel, non-standard metal, wood board, plastic and other materials.
Package Include:
According to your choice x 1Pcs