10CPS/Box 0.8mm PCB Plastic Stainless Steel Drilling Bit Tungsten Carbide Engraving Drill BitMicro Mini Set

High hardness, high wear resistance, high strength, resistance to bending, resistance to wreck.Bit chip space is large: small chip resistance, smooth, little heater of drill, reduce pollution of drill.Extraordinary cutting edge :As a result of nanotechnology and advanced grinding technology, bit more cutting edge than before, can reduce the cutting force, reduce the broken drill rate, improve the hole wall quality.Cutting edge strictly symmetrical: beneficial and efficient cutting, avoid offset drilling.Material:Hard alloy (tungsten steel).Specification: Shank diameter:3.175 mmBlade diameter:0.8mmTotal length:38mmPackage included: 1x set (10pcs) Milling Tools Drill BitsConstructed with shock-resistant tool steel for maximum durability

• High hardness, high wear resistance, high strength, resistance to bending, resistance to wreck.
• Bit chip space is large: small chip resistance, smooth, little heater of drill, reduce pollution of drill.
• Extraordinary cutting edge :As a result of nanotechnology and advanced grinding technology, bit more cutting edge than before, can reduce the cutting force, reduce the broken drill rate, improve the hole wall quality.
• Cutting edge strictly symmetrical: beneficial and efficient cutting, avoid offset drilling.
• Material:Hard alloy (tungsten steel).
• The range of bit types supports fastener profiles frequently encountered in HVAC, electrical, plumbing, carpentry, and maintenance