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Carbide Drill Bit for Deep Hole

deep hole drill bit

Special 4-face grinding with cobalt collar A coating (TiAlN) on the head protects the cutting edge area to a large extent and prevents wear effectively. Optimised flute type greatly improves the chip removal performance of deep hole drilling, helix angle, unique tool body guidance improves the machining accuracy of the hole.


Specifications of Carbide Drill Bit for Deep Hole


Solid carbide spiral drill for deep hole machining

Engineering Data

  • special four-sided grinding

  • special point grinding

  • special chip flute geometry

  • 4 guide chamfer

  • unique cutter guide to improve the processing precision of hole

Solid carbide spiral drill for deep hole machining

dlL3L2L1d2
dlL3L2L1d2
(h7)mmmmmm(h6)(h7)mmmmmm(h6)
mm


mmmm


mm
3455195671051191608
46068110681201361758
4.557.576.512068.5127.5144.519010
5758512561015017021510
5.582.593.513561218020425512
69010214061421023828514
6.597.510.51508





Engineering Data

  • special four-sided grinding

  • special point grinding

  • special chip flute geometry

  • 4 guide chamfer

  • unique cutter guide to improve the processing precision of hole

Solid carbide spiral drill for deep hole machining

d1L3L2L1d2
d1L3L2L1d2
(h7)mmmmmm(h6)(h7)mmmmmm(h6)
mm


mmmIm


3606611066.51301431858
48088130671401541958
4.59099140681601762158
51001015068.517018723010
5.511012116061020022026510
612013217061224026431512


Deep hole machining with integral hard alloy deep hole drill 25 × D/30 × D

Engineering Data

  • special four-sided grinding

  • special point grinding

  • special chip flute geometry

  • 4 guide chamfer

  • unique cutter guide to improve the processing precision of hole

Deep hole machining with integral hard alloy deep hole drill 25 × D/30 × D

d1


d2
dl


d2
(h7)L3L2L1(h6)(h7)L3L2L1(h6)
mmmmmmmmmmmmmmmmmmmm
3758112565.537.548.5906
4100108150661501622006
4.5112.5121.516566.562.575.52158
5125135175682002162558





1025027031510


Engineering Data
  • special four-sided grinding

  • special point grinding

  • special chip flute geometry

  • 4 guide chamfer

  • unique cutter guide to improve the processing precision of hole

Deep hole machining with integral hard alloy deep hole drill 25 × D/30 × D

dl


d2
d1


d2
(h7)L3L2L1(h6)(h7)L3L2L1(h6)
mmmmmmmmmmmmmmmmmmmm
3909614065.51651762156
4120128170661801922306
4.513514418566.51952082508
5150160200672102242658


Deep hole machining with integral hard alloy deep hole drill 40 × D/15 × D

Engineering Data

  • special four-sided grinding

  • special point grinding

  • special chip flute geometry

  • 4 guide chamfer

  • unique cutter guide to improve the processing precision of hole

Deep hole machining with integral hard alloy deep hole drill 40 × D/15 × D


d1


d2
dl


d2
(h7)L3L2L1(h6)(h7)L3L2L1(h6)
mmmmmmmmmmmimmmmmmmmm
416068210652002102506


Engineering Data

  • special four-sided grinding

  • special point grinding

  • special polish chip flute geometry

  • 4 guide chamfer

  • 30° RH helix

  • unique cutter guide to improve the processing precision of hole

Deep hole machining with integral hard alloy deep hole drill 40 × D/15 × D

d1


d2
d1


d2
(h7)L3L2L1(h6)(h7)L3L2L1(h6)
mmmmmmmmmmmmmmmmnmmm
3455195671051191608
4606810681201361758
4.56776.52068.5127.5144.519010
575851256




5.582.593.513561015017021510
69010214061218020425512
6.597.5110.515081421023828514


Deep hole machining with integral hard alloy deep hole drill 20 × D/25 × D

Engineering Data

  • special four-sided grinding

  • special point grinding

  • special polish chip flute geometry

  • 4 guide chamfer

  • 30° RH helix

  • unique cutter guide to improve the processing precision of hole

Deep hole machining with integral hard alloy deep hole drill 20 × D/25 × D

dl


d2
dl


cd2
(h7)L3L2L1(h6)(h7)L3L2L1(h6)
mmmmmmmmmmmmmmmmmmmm
3606611066.51301431858
48088130671401541958
4.59099140681601762158
51001015068.517018723010
5.511012116061020022026510
61203217061224026431512


Engineering Data

  • special four-sided grinding

  • special point grinding

  • special polish chip flute geometry

  • 30° RH helix

  • unique cutter guide to improve the processing precision of hole

Deep hole machining with integral hard alloy deep hole drill 20 × D/25 × D

d1L3

d2
d1L3

d2
(h7)   mmmmL2L1(h6)(h7)mmL2L1(h6)


mmmmmmmm
mmmmmm
37581125661501622006
410010815066.5162175.52158
4.5112.521.5165682002162558
512513517561025027031510
5.5137.5148.51906





Deep hole machining with integral hard alloy deep hole drill 30 × D/40 × D

Engineering Data

  • special four-sided grinding

  • special point grinding

  • special polish chip flute geometry

  • 30° RH helix

  • unique cutter guide to improve the processing precision of hole

Deep hole machining with integral hard alloy deep hole drill 30 × D/40 × D

dl


d2
d1


d2
(h7)L312L1(h6)(h7)L3L2L1(h6)
mmmm
mmmmmmmmmmmmmm
390964065.51651762156
4120128170661801922306
4.513514418566.51952082508
5150160200672102242658


Engineering Data

  • special four-sided grinding

  • special point grinding

  • special polish chip flute geometry

  • 30° RH helix

  • unique cutter guide to improve the processing precision of hole

Deep hole machining with integral hard alloy deep hole drill 30 × D/40 × D

d1


d2
d1


d2
(h7)L3L2L1(h6)(h7)L3L2L1(h6)
mmmmmmmmmmmmmmmmmmmm
4160168210652102102506


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+028-87751246
Room2918, Building 2, Mingyuan Shangzhu, No. 8, West Yuren Road, Jinniu District, Chengdu, Sichuan, China
Room2918, Building 2, Mingyuan Shangzhu, No. 8, West Yuren Road, Jinniu District, Chengdu, Sichuan, China
rnktools@vip.163.com
+028-87751246