Eacam Micro Drill Bits - Tungsten Steel, White Steel 10pcs 0.4mm

[Reduce Cutting Force] Minimize cutting force and prevent broken drills, enhancing the durability of the drill bits. [ Materials] Use high-quality materials and fine grinding process to create cutting edges for precise drilling. [Convenient Storage] Includes a storage container for easy access and organization, ensuring you always have the right drill bit on hand. [Scrap Discharge Design] Large scraps discharge space reduces , ensuring smooth drilling and improved hole quality. [Easy to Change] Effortlessly switch out bits and efficiently cut through pcb for precise solder holes. Spec: Description: These bits work fantastic on PCB boards. and twisted flute will make the drilling be more easy and effortless. They come in a easy-to-use plastic Box/Cover with a holder for each bit. Drills bits are for delicate drilling through hard materials for model engineering, jewelry repairs, craft work, suitable for PCB, , CNC, mold, sculpture, plastic, copper, stainless steel. Features: Use materials and fine grinding process makes bit more cutting . Drill bit has a large scraps discharge space, little and smoothly during the scraps discharge. Reduce cutting force and broken drill, improve the quality of hole wall. Easy to change out and do a great job cutting through the PCB for solder holes. Come in a great storage container that is easy to grab the drill bit you need when you need it. Specifications: Material: Tungsten Steel, White Steel Ring Color: Random Cutting Diameter: 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.7mm, 1.2mm, 1.3mm, 1.4mm(Optional) Shank Diameter: Approx 3.175mm Length: 38.1mm / 1.5" Box Size: 8.7 x 5.3cm / 3.42 x 2.08" Quantity: 10pcs per set Weight: 38g(approx.) Package Includes: 1 Set(10pcs) x Drill Bits Note: Due to different batches, color of rings might be different from the ones in picture. Please take the real