Gold Member Since 2009
Audited Supplier
Changzhou Hongjian Tools Co., Ltd.

Drill Bit, Carbide Drill, Drills with Coolant Hole manufacturer / supplier in China, offering Best Quality Long Life Carbide Drill Bits with Coolant Hole, 4 Flutes High Quality Carbide Alloy Long Corner Radius End Mills, Best Grade Wholesale HRC60 Nano Coating Micro End Mill and so on.

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Best Quality Long Life Carbide Drill Bits with Coolant Hole

FOB Price: US $15-120 / Piece
Min. Order: 5 Pieces
Min. Order FOB Price
5 Pieces US $15-120/ Piece
Get Latest Price
Production Capacity: 50000 PCS/Month
Transport Package: 1PC in a Plastic Tube, 10PCS in a Group
Payment Terms: L/C, T/T, Money Gram, Western Union

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Basic Info
  • Model NO.: drill bits with coolant hole
  • Material: Tungsten Carbide
  • Diameter: 3-20mm
  • Top Angle: 118-140 Degree
  • Coolant Hole: Spiral Hole
  • Samples: Available
  • Trademark: Hiboo
  • HS Code: 820770000
  • Type: Core Drill Bit
  • Usage: Metal Drilling
  • Length: 3D/5D/8d
  • Coating: Altin
  • DIN: 6537k
  • Application: Cast Iron ,Mould Steel
  • Origin: Jiangsu China
Product Description
Best quality long life carbide drill bits with coolant hole

Size : 3D,5D

Material : Imported AF, Sandvik,Kennametal carbide Rod.

Grain Size:0.5um
Co:12 %
Flexural strength:4300N/mm2
For drilling hole , high preformance , high speed , with TiAlN coating getting long tool life

Coating : AlTiN

AlTiN TiAINTiSiNNano
Hardness(HV)32002800360042(GPA)
Thickness(UM)2.5-32.5-3 33
Oxidation Temp(°)90080010001200
Friction Coeffient0.30.30.450.4
ColorBlackVioletCopperBlue

Standard: DIN338 ,DIN 6527 etc.


Shank dia (mm)Flute dia (mm)Flute Length (mm)O.A.L(mm)
3xD6M 3.4 2062 
3xD6M. 3.52062
3xD6M. 3.82466
3xD6M. 42466
3xD6M. 4.22466
3xD6M. 4.32466
3xD6M. 4.52466
3xD6M. 4.82866
3xD6M. 52866
3xD6M 5.12866
3xD6M. 5.22866
3xD6M. 5.52866
3xD6M. 5.82866
3xD6M. 62866
3xD8M. 6.13479
3xD8M 6.23479
3xD8M. 6.53479
3xD8M. 6.83479
3xD8M. 6.93479
3xD8M. 73479
3xD8M. 7.4179
3xD8M 7.54179
3xD8M 7.84179
3xD8M. 84179
3xD10M. 8.14789
3xD10M. 8.24789
3xD10M 8.54789
3xD10M. 8.64789
3xD10M 8.84789
3xD10M. 94789
3xD10M. 9.24789
3xD10M. 9.54789
3xD10M. 9.84789
3xD10MM.104789
3xD12MM.10.255102
3xD12MM.10.355102
3xD12MM.10.555102
3xD12MM.10.655102
3xD12MM.10.855102
3xD12MM.1155102
3xD12MM.11.255102
3xD12MM.11.555102
3xD12MM.11.855102
3xD12MM.1255102
3xD14MM.12.260107
3xD14MM.12.560107
3xD14MM.1360107
3xD14MM.13.560107
3xD14MM.1460107
3xD16MM.14.265115
3xD16MM.14.565115
3xD16MM.1565115
3xD16MM.15.565115
3xD16MM.1665115
Best Quality Long Life Carbide Drill Bits with Coolant Hole
Best Quality Long Life Carbide Drill Bits with Coolant Hole
Best Quality Long Life Carbide Drill Bits with Coolant Hole

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