25mm Twist Drill Bits Black Nitride Coated HSS-9341 with 1/2" Reduced Shank 19mm X 10mm The hex drill bit is

The hex drill bit is made of M35 cobalt high speed steel with sharp edge

and Airtronics Z servos

for instance attaching a string to the back of a painting to allow the painting to hang from a nail on a wall

Color:Pale Pink

Nozzle Diameter: 3mm Inner Dia

25mm Twist Drill Bits Black Nitride Coated HSS-9341 with 1/2" Reduced Shank 19mm X 10mm The hex drill bit isSpecification: Cutting Diameter: 25mm 0. 98" Shank Diameter: 1 2" 12. 7mm (approx.) Cutting Edge Length: 82mm 3. 23" Overall Length: 157mm 6. 18" Material : High Speed Steel 9341 (HSS 9341) Finish Type: Black Nitride Coated Shank Type: Round Shank Tool Flute Type: Spiral Hardened to: 62 65 HRC Descriptions: 1. High speed steel tool is good for most general purpose applications, featuring a combination of hardness and toughness for wear resistance 2.