7.5mm C2/K20 Tungsten Carbide Straight Shank Spiral Flutes Twist Drill Bit OD 72.6mm to ID 64.1mm The larger of the 2

The larger of the 2 measurements such as 67

It has a good fit

And to prevent the joint from bending

and lower coefficient of friction

Thread Length: 110mm/4

7.5mm C2/K20 Tungsten Carbide Straight Shank Spiral Flutes Twist Drill Bit OD 72.6mm to ID 64.1mm The larger of the 2Specifications: Drilling Diameter: 7. 5mm 0. 295" Flute Length: 35mm 1. 38" Shank Diameter: 7. 5mm 0. 295" Overall Length: 60mm 2. 36" Material: C2 K20 Tungsten Carbide Finish: Uncoated Cutting Hardness (Max.): HRC45 Package Content: 1pcs x Twist Drill Bit Descriptions: Constructed from medium grain C2 K20 tungsten carbide, the drill bit has good toughness, high hardness (HRA89) and wear resistance. With good milling and cutting performance, can