KNMR grooving inserts are listed in paired left- and right-hand forms across selected sizes. The L or R direction is part of the complete type and must match the holder and feed direction.
Product Overview
Ordering code
Key dimensions
Application note
KNMR1104L
L = 14.43; W = 5.94; S = 4.19
Left-hand external grooving
KNMR1104R
L = 14.43; W = 5.94; S = 4.19
Right-hand external grooving
KNMR2005L
L = 24.26; W = 9.19; S = 5.33
Left-hand external grooving
KNMR2005R
L = 24.26; W = 9.19; S = 5.33
Right-hand external grooving
KNMR2406L
L = 29.88; W = 12.01; S = 6.93
Left-hand external grooving
KNMR2406R
L = 29.9; W = 12.01; S = 6.93
Right-hand external grooving
KNMR2410L
L = 29.78; W = 12.01; S = 10.16
Left-hand external grooving
KNMR2410R
L = 29.78; W = 12.01; S = 10.16
Right-hand external grooving
KNMR3510L
L = 41.61; W = 17.86; S = 10.16
Left-hand external grooving
KNMR3510R
L = 41.61; W = 17.86; S = 10.16
Right-hand external grooving
KNMR3513L
L = 41.61; W = 17.86; S = 13.0
Left-hand external grooving
KNMR3513R
L = 41.61; W = 17.86; S = 13.0
Right-hand external grooving
How to Select
Confirm left-hand or right-hand insert and the matching holder.
Confirm groove location, work diameter, groove width and depth.
Check approach direction and clearance before selecting the insert.
Select grade by material, cutting stability and interruption.
Grade & Coating Selection
The insert ordering code defines the geometry and dimensions. The coating is selected through the JetEdge grade according to the workpiece material and cutting condition.
ISO material
Recommended grade direction
Coating route
Selection note
P Steel
JE7025P general / JE7015P precision
PVD
Select by stability, pitch or groove load
M Stainless steel
JE6025M general / JE6015M finishing / JE6035M tougher conditions
PVD
Prioritize edge sharpness and stable chip evacuation
K Cast iron
JE4025K general / JE4015K finishing
CVD
Confirm continuous or interrupted condition
S Heat-resistant alloys
JE5025S general / JE5015S finishing
PVD
Confirm heat, coolant and interruption conditions
Grade availability for each insert family is subject to confirmation.
Before ordering: provide the complete KNMR-L/R type, holder model, workpiece drawing or groove dimensions, material and feed direction.
