5mm Cutting Dia Round Shank Cemented Carbide Twist Drill Bit, 100mm Length 4 Pcs M10x40mm Half-Moon Nut: 30 x 15

Half-Moon Nut: 30 x 15 x 9mm/1

6 Buttons: Lock

with high strength

5mm Female

Lead Length : 24cm/9

5mm Cutting Dia Round Shank Cemented Carbide Twist Drill Bit, 100mm Length 4 Pcs M10x40mm Half-Moon Nut: 30 x 15Descriptions: 1. Twist drill bits are made of cemented carbide tip for easier drilling into any hard objects, long service life, it is more sharp and durable than others. 2. Milled U flutes with deep cut spiral deliver fast material removal. Suitable for drilling in tough metal, including abrasive alloy and hardened steel. 3. Suitable for drilling of stainless steel, die steel, titanium alloy, cast steel, iron, aluminum alloy and copper. 4. Round