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Imperial
Grooving/Threading Insert Identification Chart Measurements
1. Insert Style 2. Additional Info 3. Insert Size
A — Acme D Deep Grooving Size Inch Metric
B — Blank F — Fine Pitch 2 .150 3,81
C — API Thread K — Fine Pos Rake 3 .195 4,95
D — API Thread P — Positive Rake 4 .255 6,48
F — Face grooving T — Double Ended 5 .380 9,65
G — Grooving 6 .383 9,73
J — UNJ Thread
R — Full Radius
T — 60˚ Thread 4. Metric Size
U — Undercut Used to indicate
V — Poly Vee metric groovers
TF G P 3 M 125 R C CB IC908
1 2 3 4 5 6 7 8 8
5. Insert Width 6. Hand of Insert 7. Coarse
Inch/Metric sizes L .125 = 125 Used to indicate coarse
Example: R 1,50 = 150 pitch threaders only
Inch: .125 = 125
Metric: 1,50 = 150
8. Chipbreaker Style
Threading:
FCB Ultra Fine
CB Fine
HCB General Purpose
Grooving:
9. Grade
CB General Purpose
IC908
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