20 Piece HSS Mini Twist Drill Bits Set Straight Shank Drill Tools.

描述

Description: Material: High Speed Steel Length: 3cm Diameter: 1.0mm Use: Wood Drilling Type: Twist Drill Bit Bits Material: HSS (High Speed Steel) Surface Finish: Titanium Coating Manufacturing Technology: Full Grinding Application: Wood- Metal Drilling Advantages: Stronger-Sharper & Much higher Rigidity-Satisfied work-Longer life Drill Packing: 20pieces/Lot Package Included: 1 X 20pieces/Lot