ZHY Tungsten Carbide Uncoated drill bits 1Special for drilling aluminum 2Identified by Zoller 3Straight shank twist drill ZHY Tungsten Carbide Uncoated Drill Bits For Aluminum 1.We can suply center drills,2/3/4 Flutes rounding cutters,spotting drills,Micro-daimeter drill...

ZHY Tungsten carbide Twist drill bits 1Special for drill hard metal 2Identified by Zoller 3Straight shank twist drill ZHY Long Shank Tungsten carbide Twist drill bits 1.We can suply center drills,2/3/4 Flutes rounding cutters,spotting drills,Micro-daimeter drill...

-Micro Grain 0.2um/0.4um -Helix Angle 35 degree -HRC60~68, Co9%~12% -High aluminum coating drill bit -For high speed cutting 2 Flute High Speed Tungsten Carbide Drill Bit1.High speed drill bit have three types: Standard 2 flutes high speed drill bit, high speed 2 flutes short...

Carbide Standard 2 Blade High-speed 33mm Drill Bits 1Identified by Zoller 2TiALN coating 3Special for drilling hard metal Tungsten Carbide Standard 2 Blade High-speed 33mm Drill Bits1Indentified by Zoller2TiALN coated improve the cutter life3Better resistance in hardness and...

Tungsten Carbide Center Drill Bits 1Identified by Zoller 2Better resistance in hardness 3Special for drill hard metal ZHY Tungsten carbide center drill bitsHelix angle :15 degreeBetter resistance in hardness and roughnessCoated/UncoatedProfessional hammer drill bitsCenter...

Tungsten Carbide Drill Bit 1.Twist drill, center drill bit 2.Coated/ uncoated 3.Special drill bit can be made 4.For 45-65HRC     Tungsten Carbide Drill Bit   We supply Tungsten Carbide Drill bits. Twist drill bits, fixed-point drill bits and center...