1PCS 3D/5D/7D/10D Internal Cooling Carbide Bit Non-standard Diameter 30-32.0mm HD Crown Drill Twist Fast Processing Speed(HD F33 SD31.0,7D)

Carbide drill bit,internal cooling drill,3D drill bit,5D drill bit,7D drill bit,10D drill bit,HD crown drill,twist drill bit,non standard diameter drill,30mm-32mm drill,solid carbide drill,high speed drill,CNC drill bit,metal drill bit,steel drill bit,stainless steel drill,high precision drill,long flute drill,coolant through drill,fast processing drill==========High-concerned chemical : NoneOrigin : Mainland ChinaDIY Supplies : MetalworkingMaterial : Tungsten SteelType : Twist Drill BitUse : Metal DrillingLength : 3D/5D/7D/10DHign-concerned Chemical : NoneOrigin : Mainland Chinalength : 3D/5D/7D/10DDIY Supplies : MetalworkingMaterial : tungsten steelType : Twist Drill Bit

• 3D/5D/7D/10D extended internal cooling design, direct coolant supply to cutting edge, fast heat dissipation, stable processing under high-speed working condition.
• solid carbide material, high hardness & wear resistance, suitable for steel, stainless steel, cast iron and other metal materials.
• Non-standard diameter range 30.0–32.0mm, HD crown drill & precision twist drill structure, smooth chip removal, less vibration and high hole precision.
• Optimized flute geometry & cutting angle, fast processing speed, high efficiency, long tool life, reduce tool change frequency.
• Custom non-standard size available, widely used in CNC machining center, lathe, mould making and mechanical processing industry.