•This solid carbide dowel drills is made of high strength steel shank
• 2 precise ground cutting edges (Z2).
• 2 spiral grooves.
• Parallel handle, flat driving plane, adjustable screw length.
1.the drilling enters or exits briskly, there is no bursting edge, no muddy edge, and the hole shape is smooth.
2.The cutter head is made of high-quality overall alloy, with a special scribing blade angle design to enhance strength and impact resistance.