The straight shank twist drill is mainly composed of a shank and a working part.
The guiding part of the working part plays a role of guiding and preparing for grinding, and the chip groove is made into a spiral shape to facilitate chip guiding.
High-speed steel material, suitable for drilling holes in angle iron, wood, plastic, aluminum alloy and other materials.
Material: High speed steel
Surface treatment: White diamond (primary color) / Gold (titanium plating)
70pcs specifications: 1mm*20 pieces, 1.5mm*20 pieces, 2mm*10 pieces, 2.5mm*10 pieces, 3mm*10 pieces
Packing size: about 100*50mm
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2mm measuring deviation due to manual measurement.
70 X Twist Drill Bits