Products - (25001 Products)
Indexable Slotting Cutter: 12 mm Cutting Width, 125 mm Cutter Dia, Arbor Hole Connection, 32.3 mm Depth of Cut, 32 mm Hole, Right Hand Cut Screw, Uses 10 LNK Inserts, 5 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445517
Brand: Seco
Model #: 02451512Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
12.00
Maximum Depth of Cut (mm)
32.30
Hole Diameter (Mm) ( - 0 Decimals)
32.00
Cutter Diameter (mm)
125.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
10
Compatible Insert Style
LNK
Compatible Insert Size Code
0805; 0605
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.18
Toolholder Style
R335.18
Hub Diameter (mm)
58.00
Keyway Width (mm)
14.40
Keyway Width (Decimal Inch)
14.4000
Maximum RPM
8400
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
5
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 12 mm Cutting Width, 127 mm Cutter Dia, Arbor Hole Connection, 33.7 mm Depth of Cut, 40 mm Hole, Neutral Screw, Uses 10 RD Inserts, 5 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445640
Brand: Seco
Model #: 02496997Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
12.00
Maximum Depth of Cut (mm)
33.70
Hole Diameter (Mm) ( - 0 Decimals)
40.00
Cutter Diameter (mm)
127.00
Cutting Direction
Neutral
Insert Holding Method
Screw
Number Of Cutter Inserts
10
Compatible Insert Style
RD
Compatible Insert Size Code
10T3
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
335.18
Toolholder Style
335.18
Hub Diameter (mm)
55.00
Keyway Width (mm)
10.00
Keyway Width (Decimal Inch)
10.0000
Maximum RPM
8400
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
5
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 12 mm Cutting Width, 160 mm Cutter Dia, Arbor Hole Connection, 43.8 mm Depth of Cut, 40 mm Hole, Right Hand Cut Screw, Uses 12 LNK Inserts, 6 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445525
Brand: Seco
Model #: 02451513Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
12.00
Maximum Depth of Cut (mm)
43.80
Hole Diameter (Mm) ( - 0 Decimals)
40.00
Cutter Diameter (mm)
160.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
12
Compatible Insert Style
LNK
Compatible Insert Size Code
0805; 0605
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.18
Toolholder Style
R335.18
Hub Diameter (mm)
70.00
Keyway Width (mm)
16.40
Keyway Width (Decimal Inch)
16.4000
Maximum RPM
7500
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
6
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 12 mm Cutting Width, 160 mm Cutter Dia, Arbor Hole Connection, 50.2 mm Depth of Cut, 40 mm Hole, Right Hand Cut Screw, Uses 12 LNK Inserts, 6 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29449881
Brand: Seco
Model #: 02221178Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
12.00
Maximum Depth of Cut (mm)
50.20
Hole Diameter (Mm) ( - 0 Decimals)
40.00
Cutter Diameter (mm)
160.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
12
Compatible Insert Style
LNK
Compatible Insert Size Code
0805; 0605
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
335.18
Toolholder Style
335.18
Hub Diameter (mm)
55.00
Keyway Width (mm)
10.00
Keyway Width (Decimal Inch)
10.0000
Maximum RPM
7500
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
6
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 12 mm Cutting Width, 162 mm Cutter Dia, Arbor Hole Connection, 44.8 mm Depth of Cut, 40 mm Hole, Right Hand Cut Screw, Uses 12 RD Inserts, 6 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445624
Brand: Seco
Model #: 02496993Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
12.00
Maximum Depth of Cut (mm)
44.80
Hole Diameter (Mm) ( - 0 Decimals)
40.00
Cutter Diameter (mm)
162.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
12
Compatible Insert Style
RD
Compatible Insert Size Code
10T3
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.18
Toolholder Style
R335.18
Hub Diameter (mm)
70.00
Keyway Width (mm)
16.40
Keyway Width (Decimal Inch)
16.4000
Maximum RPM
7500
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
6
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 12 mm Cutting Width, 162 mm Cutter Dia, Arbor Hole Connection, 51.2 mm Depth of Cut, 40 mm Hole, Neutral Screw, Uses 12 RD Inserts, 6 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445657
Brand: Seco
Model #: 02497062Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
12.00
Maximum Depth of Cut (mm)
51.20
Hole Diameter (Mm) ( - 0 Decimals)
40.00
Cutter Diameter (mm)
162.00
Cutting Direction
Neutral
Insert Holding Method
Screw
Number Of Cutter Inserts
12
Compatible Insert Style
RD
Compatible Insert Size Code
10T3
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
335.18
Toolholder Style
335.18
Hub Diameter (mm)
55.00
Keyway Width (mm)
10.00
Keyway Width (Decimal Inch)
10.0000
Maximum RPM
7500
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
6
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 12 mm Cutting Width, 200 mm Cutter Dia, Arbor Hole Connection, 53.5 mm Depth of Cut, 40 mm Hole, Right Hand Cut Screw, Uses 14 LNK Inserts, 7 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445855
Brand: Seco
Model #: 02723597Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
12.00
Maximum Depth of Cut (mm)
53.50
Hole Diameter (Mm) ( - 0 Decimals)
40.00
Cutter Diameter (mm)
200.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
14
Compatible Insert Style
LNK
Compatible Insert Size Code
0805; 0605
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.18
Toolholder Style
R335.18
Hub Diameter (mm)
90.00
Keyway Width (mm)
16.40
Keyway Width (Decimal Inch)
16.4000
Maximum RPM
6700
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
7
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 12 mm Cutting Width, 200 mm Cutter Dia, Arbor Hole Connection, 53.5 mm Depth of Cut, 40 mm Hole, Right Hand Cut Screw, Uses 14 RD Inserts, 7 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445905
Brand: Seco
Model #: 02723600Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
12.00
Maximum Depth of Cut (mm)
53.50
Hole Diameter (Mm) ( - 0 Decimals)
40.00
Cutter Diameter (mm)
200.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
14
Compatible Insert Style
RD
Compatible Insert Size Code
10T3
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.18
Toolholder Style
R335.18
Hub Diameter (mm)
90.00
Keyway Width (mm)
16.40
Keyway Width (Decimal Inch)
16.4000
Maximum RPM
6700
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
7
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 12 mm Cutting Width, 250 mm Cutter Dia, Arbor Hole Connection, 78 mm Depth of Cut, 40 mm Hole, Right Hand Cut Screw, Uses 18 LNK Inserts, 9 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445947
Brand: Seco
Model #: 02723603Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
12.00
Maximum Depth of Cut (mm)
78.00
Hole Diameter (Mm) ( - 0 Decimals)
40.00
Cutter Diameter (mm)
250.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
18
Compatible Insert Style
LNK
Compatible Insert Size Code
0805; 0605
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.18
Toolholder Style
R335.18
Hub Diameter (mm)
90.00
Keyway Width (mm)
16.40
Keyway Width (Decimal Inch)
16.4000
Maximum RPM
6000
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
9
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 12 mm Cutting Width, 250 mm Cutter Dia, Arbor Hole Connection, 78 mm Depth of Cut, 40 mm Hole, Right Hand Cut Screw, Uses 18 RD Inserts, 9 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445954
Brand: Seco
Model #: 02723606Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
12.00
Maximum Depth of Cut (mm)
78.00
Hole Diameter (Mm) ( - 0 Decimals)
40.00
Cutter Diameter (mm)
250.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
18
Compatible Insert Style
RD
Compatible Insert Size Code
10T3
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.18
Toolholder Style
R335.18
Hub Diameter (mm)
90.00
Keyway Width (mm)
16.40
Keyway Width (Decimal Inch)
16.4000
Maximum RPM
6000
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
9
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 12 mm Cutting Width, 80 mm Cutter Dia, Arbor Hole Connection, 14.8 mm Depth of Cut, 27 mm Hole, Right Hand Cut Screw, Uses 6 LNK Inserts, 3 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445483
Brand: Seco
Model #: 02451510Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
12.00
Maximum Depth of Cut (mm)
14.80
Hole Diameter (Mm) ( - 0 Decimals)
27.00
Cutter Diameter (mm)
80.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
6
Compatible Insert Style
LNK
Compatible Insert Size Code
0805; 0605
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.18
Toolholder Style
R335.18
Hub Diameter (mm)
48.00
Keyway Width (mm)
12.40
Keyway Width (Decimal Inch)
12.4000
Maximum RPM
10500
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
3
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 12 mm Cutting Width, 82 mm Cutter Dia, Arbor Hole Connection, 15.8 mm Depth of Cut, 27 mm Hole, Right Hand Cut Screw, Uses 6 RD Inserts, 3 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445590
Brand: Seco
Model #: 02496989Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
12.00
Maximum Depth of Cut (mm)
15.80
Hole Diameter (Mm) ( - 0 Decimals)
27.00
Cutter Diameter (mm)
82.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
6
Compatible Insert Style
RD
Compatible Insert Size Code
10T3
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.18
Toolholder Style
R335.18
Hub Diameter (mm)
48.00
Keyway Width (mm)
12.40
Keyway Width (Decimal Inch)
12.4000
Maximum RPM
10500
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
3
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 15 mm Cutting Width, 100 mm Cutter Dia, Arbor Hole Connection, 24.8 mm Depth of Cut, 27 mm Hole, Right Hand Cut Screw, Uses 8 LNK Inserts, 4 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445582
Brand: Seco
Model #: 02451520Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
15.00
Maximum Depth of Cut (mm)
24.80
Hole Diameter (Mm) ( - 0 Decimals)
27.00
Cutter Diameter (mm)
100.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
8
Compatible Insert Style
LNK
Compatible Insert Size Code
0805; 0605
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.18
Toolholder Style
R335.18
Hub Diameter (mm)
48.00
Keyway Width (mm)
12.40
Keyway Width (Decimal Inch)
12.4000
Maximum RPM
9400
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
4
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 15 mm Cutting Width, 100 mm Cutter Dia, Arbor Hole Connection, 25.31 mm Depth of Cut, 27 mm Hole, Right Hand Cut Screw, Uses 10 XNHQ Inserts, 5 Teeth, Staggered, Positive, Through Coolant, Steel, Ni Finish
Item #: 29451416
Brand: Seco
Model #: 02989535Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
15.00
Maximum Depth of Cut (mm)
25.31
Hole Diameter (Mm) ( - 0 Decimals)
27.00
Cutter Diameter (mm)
100.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
10
Compatible Insert Style
XNHQ
Compatible Insert Size Code
0905
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.25
Toolholder Style
R335.25
Hub Diameter (mm)
48.00
Keyway Width (mm)
12.40
Keyway Width (Decimal Inch)
12.4000
Maximum RPM
9200
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
5
Coolant Through
Yes
Coating/Finish
Ni
Indexable Slotting Cutter: 15 mm Cutting Width, 100 mm Cutter Dia, Arbor Hole Connection, 27.2 mm Depth of Cut, 27 mm Hole, Right Hand Cut Screw, Uses 8 LNK Inserts, 4 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445533
Brand: Seco
Model #: 02451515Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
15.00
Maximum Depth of Cut (mm)
27.20
Hole Diameter (Mm) ( - 0 Decimals)
27.00
Cutter Diameter (mm)
100.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
8
Compatible Insert Style
LNK
Compatible Insert Size Code
0805; 0605
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
335.18
Toolholder Style
335.18
Hub Diameter (mm)
41.00
Keyway Width (mm)
7.00
Keyway Width (Decimal Inch)
7.0000
Maximum RPM
9400
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
4
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 15 mm Cutting Width, 102 mm Cutter Dia, Arbor Hole Connection, 25.8 mm Depth of Cut, 27 mm Hole, Right Hand Cut Screw, Uses 8 RP Inserts, 4 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445673
Brand: Seco
Model #: 02497071Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
15.00
Maximum Depth of Cut (mm)
25.80
Hole Diameter (Mm) ( - 0 Decimals)
27.00
Cutter Diameter (mm)
102.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
8
Compatible Insert Style
RP
Compatible Insert Size Code
1204
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.18
Toolholder Style
R335.18
Hub Diameter (mm)
48.00
Keyway Width (mm)
12.40
Keyway Width (Decimal Inch)
12.4000
Maximum RPM
9400
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
4
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 15 mm Cutting Width, 102 mm Cutter Dia, Arbor Hole Connection, 28.2 mm Depth of Cut, 27 mm Hole, Neutral Screw, Uses 8 RP Inserts, 4 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445715
Brand: Seco
Model #: 02497076Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
15.00
Maximum Depth of Cut (mm)
28.20
Hole Diameter (Mm) ( - 0 Decimals)
27.00
Cutter Diameter (mm)
102.00
Cutting Direction
Neutral
Insert Holding Method
Screw
Number Of Cutter Inserts
8
Compatible Insert Style
RP
Compatible Insert Size Code
1204
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
335.18
Toolholder Style
335.18
Hub Diameter (mm)
41.00
Keyway Width (mm)
7.00
Keyway Width (Decimal Inch)
7.0000
Maximum RPM
9400
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
4
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 15 mm Cutting Width, 125 mm Cutter Dia, Arbor Hole Connection, 32.3 mm Depth of Cut, 32 mm Hole, Right Hand Cut Screw, Uses 10 LNK Inserts, 5 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445608
Brand: Seco
Model #: 02451521Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
15.00
Maximum Depth of Cut (mm)
32.30
Hole Diameter (Mm) ( - 0 Decimals)
32.00
Cutter Diameter (mm)
125.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
10
Compatible Insert Style
LNK
Compatible Insert Size Code
0805; 0605
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.18
Toolholder Style
R335.18
Hub Diameter (mm)
58.00
Keyway Width (mm)
14.40
Keyway Width (Decimal Inch)
14.4000
Maximum RPM
8400
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
5
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 15 mm Cutting Width, 125 mm Cutter Dia, Arbor Hole Connection, 32.7 mm Depth of Cut, 40 mm Hole, Right Hand Cut Screw, Uses 10 LNK Inserts, 5 Teeth, Staggered, Positive, Steel, Black Oxide Finish
Item #: 29445541
Brand: Seco
Model #: 02451516Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
15.00
Maximum Depth of Cut (mm)
32.70
Hole Diameter (Mm) ( - 0 Decimals)
40.00
Cutter Diameter (mm)
125.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
10
Compatible Insert Style
LNK
Compatible Insert Size Code
0805; 0605
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
335.18
Toolholder Style
335.18
Hub Diameter (mm)
55.00
Keyway Width (mm)
10.00
Keyway Width (Decimal Inch)
10.0000
Maximum RPM
8400
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
5
Coolant Through
No
Coating/Finish
Black Oxide
Indexable Slotting Cutter: 15 mm Cutting Width, 125 mm Cutter Dia, Arbor Hole Connection, 32.81 mm Depth of Cut, 32 mm Hole, Right Hand Cut Screw, Uses 12 XNHQ Inserts, 6 Teeth, Staggered, Positive, Through Coolant, Steel, Ni Finish
Item #: 29451440
Brand: Seco
Model #: 02989541Product Specifications
Connection Type
Arbor Hole
Cutting Width (mm)
15.00
Maximum Depth of Cut (mm)
32.81
Hole Diameter (Mm) ( - 0 Decimals)
32.00
Cutter Diameter (mm)
125.00
Cutting Direction
Right Hand
Insert Holding Method
Screw
Number Of Cutter Inserts
12
Compatible Insert Style
XNHQ
Compatible Insert Size Code
0905
Tooth Type
Staggered
Rake
Positive
Tool Material
Steel
Series
R335.25
Toolholder Style
R335.25
Hub Diameter (mm)
58.00
Keyway Width (mm)
14.40
Keyway Width (Decimal Inch)
14.4000
Maximum RPM
8200
Tool Application
Slotting; Shouldering; Back Facing
Tool Performance
High Performance
Number Of Teeth
6
Coolant Through
Yes
Coating/Finish
Ni