• Parameter: Cutting and Shank Dia : 12mm / 0.47", Cutting Edge Length: 100mm / 3.94", Twist Drill Total Length : 151mm / 5.94".
• Short Shank Twist Drill Bit Uses: For Stainless Steel/Aluminum Alloy/Iron/Copper/Plastic/Aluminum Plates/Metal Materials etc.
• How To Use: When in use, The drill bit should be perpendicular to the workpiece and oil, water, or coolant should be added to keep cool.
• Features: Premium gold titanium and black nitride dual coating, more heat and wear resistant. HSS straight shank tool strong hardness and toughness.
• Package Content: 2 x Double Flutes Straight Shank Twist Bit.

• Package Dimensions ‏ : ‎ 7.56 x 2.8 x 0.28 inches; 5.61 ounces
• Date First Available ‏ : ‎ July 8, 2021
• Manufacturer ‏ : ‎ Aopin-Hardware