Tungsten Tipped Dowell Boring Bits 77mm Long Best Wholesale Cheap Pice

Tungsten Tipped Dowell Boring Bits 77mm Long

Tungsten Tipped Dowell Boring Bits 77mm Long

• For drilling clean blind holes.
• Suitable for Solid Wood Wood Composites and Laminated Materials.
• Orange is Lefthand Rotation, Black is Righthand Rotation

• Super-strength steel.

• ​​​​​​​Spiral portion coated with orange or black P.T.F.E.

• ​​​​​​​​​​​​​​HW head with precision balanced centre point.

• ​​​​​​​​​​​​​​2 HW precision ground cutting edges (Z2).

• ​​​​​​​​​​​​​​2 negatively ground spurs (V2).

• ​​​​​​​​​​​​​​2 spiral flutes.

• ​​​​​​​​​​​​​​Parallel shank with driving flat and length adjusting screw.