HSS twist drill bit with straight shank, sharp spiral groove.
Used widely to drill the metal and marble, is easy to install.
The twist drill bit is used with electrical drilling machine.(here is not included).
Total Length: 153mm/6"; Shank Diameter: 13mm/ 1/2"; Product Name: Twist Drill Bit
Package Content: 1 x Twist Drill Bit, 1 x Plastic Box; Material: HSS
Net Weight: 132g; Flute Length: 76mm/3"
Bit Diameter: 17mm/0.67"; For: Electric Drill
Fearure: Straight Shank; Color: Black