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Text version of the page
TOP NOTCH Threading Inserts
Grade Selection and Dimensions
Dimensions Nose radius Catalog number NA Acme Right hand NA3R4 NA3R5 NA3R6 NA3R8 NA3R10 NA3R12 NA4R4 NA4R5 NA4R6 NA6R2 L A6R3 eft hand
NA3L4 NA3L5 NA3L6 NA3L8 NA4L4 NA4L6 N
Insert size
TPI
TPF
inch
mm
29°
29°
3 3 3 3 3 3 4 4 4 6 6 3 3 3 3 4 4 6
4.0 5.0 6.0 8.0 10.0 12.0 4.0 5.0 6.0 2.0 3.0 4.0 5.0 6.0 8.0 4.0 6.0 2.0
-
-
-
K313 KC720 KC730 KC850 KC950
A6L2
AS
Stub Acme
29°
eft hand
NAS3L6 NAS3L8 N
29°
AS3L12
3 3 3
6.0 8.0 12.0
-
-
-
3 3
8.0 - 16.0 8.0 - 16.0
-
.007 .007
0,17 0,17
N
Internal
eft hand NTB3LA
7°
45°
External TB-B American Buttress Pull Internal Right hand NTB2RB NTB3RB L TB4RB eft hand
NTB2LB
45° 7°
2 3 4 2 3 4
16.0 - 20.0 8.0 - 16.0 4.0 - 6.0 16.0 - 20.0 8.0 - 16.0 4.0 - 6.0
-
.003 .007 .010 .003 .007 .010
0,08 0,17 0,25 0,08 0,17 0,25
NTB3LB
O
External
TB4LB
rder example: Catalog number: Insert grade:
NA3R4 KC730
E47
APPENDIX
THREADING
GROOVING / CUT-OFF
KENNAMETAL CLASSIC PRODUCTS APPLICATION-SPECIFIC SCREW-ON
TB-A
American Buttress Push
Right hand L TB3RA N
KENDEX
Right hand NAS3R6 NAS3R8 L AS3R12
3 3 3
6.0 8.0 12.0
-
-
-
KENLOC