H680 - High Precision ∙ Long Shank ∙ Corner Radius ∙ 4F

.SICO-TH Nano coating provides a superior wear and heat resistance. .Suitable for HRC 50 and over HRC 50 Hardened Steel, also maximum up to HRC 65. .Ultra grain carbide rods with better abrasion resistance. .Special geometry design, suitable for high hardened working materials.

Order No.Dia. (d)Corner Radius (R)CL (L1)OAL (L)Shank (D)Flutes (F)
EHCLF40400507S40.5R87564
EHCLF40600507S60.5R127564
EHCLF40600510S60.5R1210064
EHCLF40800507S80.5R167584
EHCLF40800510S80.5R1610084
EHCLF41000510S100.5R20100104
EHCLF41200510S120.5R24100124

EHCLF

PMKNSH

d R

L1

L

D (h5)

Cutting conditions Table 006

dTolerance
d ≤ 60 ~ -0.02
d > 60 ~ -0.03
RTolerance
R < 2±0.015
R ≥ 2±0.020