1PCS 4.51-4.99mm Solid Carbide Drill Uncoated PRO Bit Aluminum Hole Drilling 3xD Cutting External Cooling CNC Tool BF2055(4.91xD6x28x66)

Blade Edge Passivation Durable Anti-Breaking Edge Remove burrs from the cutting edge to ensure no micro-cracks are produced during high-speed drilling Enhanced Chip Evacuation Channel Chip Evacuation Smooth The drill body surface is finely polished and anti-rusted, making chip evacuation more convenient during drilling Cemented Carbide Material High Hardness and Wear Resistance Full Grinding Edge/Top Grinding Inverted Cone Technology Balances the strength and sharpness of the cutting edge, enhances the rigidity of the tool Chamfer is Easy to Operate The handle chamfering layout makes it easier to clamp. Metal Drilling Suitable for drilling hard metal materials such as copper, iron, aluminum, and stainless steel Recommend Use of Equipment Guidelines For Operating Precautions Recommend:Lathe / Machining Center Recommend:Rocker Drill / Multi-Function Drilling and Milling Drill Recommend:Bench Drill / Magnetic Drill ========== High-concerned chemical : None Origin : Mainland China is_customized : Yes Model Number : 4.51-4.99mmDIY Supplies : Metalworking Material : Tungsten Carbide Type : Twist Drill Bit Use : Metal Drilling Length : 50-66mm Precision : +-0.003

• Model Number : 4.51-4.99mm
• DIY Supplies : Metalworking Material : Tungsten Carbide
• Type : Twist Drill Bit Use : Metal Drilling
• Length : 50-66mm
• Suitable for drilling hard metal materials such as copper, iron, aluminum, and stainless steel