Solid Carbide Inserts
These Standard Reversable Insert Knives are made of a premium grade of carbide and are individually inspected to ensure quality and accuracy.
To get the most out of your insert knives, make sure the torque is even on your cutting tool. Using a Torque screwdriver can ensure that your torque is even and extend the life of your cutting tools.
Insert Knives are sold in packages of 10
2 Sided, 1 Hole Reversable Insert Knives
Unless otherwise stated in the description, all insert knives are made from premium C-2 grade of carbide.

| Length | Width | Thickness | Part # |
| 7.5 mm | 12 mm | 1.5 mm | SI-751215 |
| 8.6 mm | 12 mm | 1.5 mm | SI-861215 |
| 9.0 mm | 12 mm | 1.5 mm | SI-901215 |
| 9.6 mm | 12 mm | 1.5 mm | SI-961215 |
| 10.5 mm | 10.5 mm | 1.5 mm | SI-10510515 |
| 13 mm | 12 mm | 1.5 mm | SI-131215 |
| 15 mm | 12 mm | 1.5 mm | SI-151215 |
| 18 mm | 12 mm | 1.5 mm | SI-181215 |
| 20 mm | 12 mm | 1.5 mm | SI-201215 |
| 25 mm | 12 mm | 1.5 mm | SI-251215 |
4 Sided, 1 Hole Reversable Insert Knives
Unless otherwise stated in the description, all insert knives are made from premium C-2 grade of carbide.

| Length | Width | Thickness | Description | Part # |
| 12 mm | 12 mm | 1.5 mm | SI-121215 | |
| 13 mm | 13 mm | 2.5 mm | SI-131325 | |
| 13.6 mm | 13.6 mm | 2.0 mm | SI-13613620 | |
| 14 mm | 14 mm | 1.2 mm | SI-141412 | |
| 14 mm | 14 mm | 2.0 mm | SI-141420 | |
| 14 mm | 14 mm | 2.0 mm | High Wear C4 Carbide Grade | SI-141420-SP |
| 14 mm | 14 mm | 2.0 mm | With Corner Radius | SI-141420CR |
| 14.3 mm | 14.3 mm | 2.5 mm | SI-14314325 | |
| 14.6 mm | 14.6 mm | 2.5 mm | SI-14614625 | |
| 14.6 mm | 14.6 mm | 2.5 mm | With Radius Corner | SI-14614625CR |
| 15 mm | 15 mm | 2.5 mm | With 150 mm Radius | SI-151525 |
| 15 mm | 15 mm | 2.5 mm | With 50 mm Radius | SI-151525-R50 |
| 15 mm | 15 mm | 2.5 mm | With Square Corners | SI-151525-SQ |
| 15 mm | 15 mm | 2.5 mm |
With Square Corners / Corrosion Resistant C4 Carbide |
SI-151525-SQ-SP |
| 15 mm | 15 mm | 2.5 mm |
With 100 mm Radius / For the Byrd |
SI-151525 Byrd |
| 17 mm | 17 mm | 2.0 mm | With 3 mm Hole | SI-1717203 |
| 17 mm | 17 mm | 2.0 mm | With 4 mm Hole | SI-1717204 |
| 19.5 mm | 7.0 mm | 1.5 mm | SI-1957015 | |
| 19.5 mm | 7.5 mm | 1.5 mm | SI-1957515 | |
| 19.5 mm | 8.0 mm | 1.5 mm | SI-1958015 | |
| 19.5 mm | 9.0 mm | 1.5 mm | SI-1959015 | |
| 19.5 mm | 10 mm | 1.5 mm | SI-1951015 | |
| 19.5 mm | 11 mm | 1.5 mm | SI-1951115 | |
| 19.5 mm | 12 mm | 1.5 mm | SI-1951215 | |
| 19 mm | 19 mm | 2.0 mm | With 4 mm Hole | SI-191920 |
| 21 mm | 21 mm | 5.5 mm | 40 degree | SI-212155 |
2 Sided, 2 Holes Reversable Insert Knives
Unless otherwise stated in the description, all insert knives are made from premium C-2 grade of carbide.

| Length | Width | Thickness | Description | Part # |
| 25 mm | 12 mm | 1.5 mm | 14 mm Hole | SI-251215-2 |
| 30 mm | 12 mm | 1.5 mm | 14 mm Hole | SI-301215 |
| 30 mm | 12 mm | 1.5 mm | 16 mm Hole | SI-301215-16 |
| 35 mm | 12 mm | 1.5 mm | 26 mm Hole | SI-351215 |
| 40 mm | 12 mm | 1.5 mm | 26 mm Hole | SI-401215 |
| 50 mm | 12 mm | 1.5 mm | 26 mm Hole | SI-501215 |
| 60 mm | 12 mm | 1.5 mm | 26 mm Hole | SI-601215 |
| 80 mm | 13 mm | 2.2 mm | 60 mm Hole | SI-801322 |
| 100 mm | 13 mm | 2.2 mm | 60 mm Hole | SI-1001322 |
| 120 mm | 13 mm | 2.2 mm | 60 mm Hole | SI-1201322 |
4 Sided, 2 Holes Reversable Insert Knives
Unless otherwise stated in the description, all insert knives are made from premium C-2 grade of carbide. All of the Insert Knives in the table below have a 14 mm holes.

| Length | Width | Thickness | Description | Part # |
| 28 mm | 7.0 mm | 1.5 mm | SI-287015 | |
| 29.5 mm | 7.0 mm | 1.5 mm | SI-2957015 | |
| 29.5 mm | 7.5 mm | 1.5 mm | SI-2957515 | |
| 29.5 mm | 8.0 mm | 1.5 mm | SI-2958015 | |
| 29.5 mm | 9.0 mm | 1.5 mm | SI-2959015 | |
| 29.5 mm | 9.0 mm | 1.5 mm |
Advanced submicron C4 carbide grade |
SI-2959015SP |
| 29.5 mm | 10 mm | 1.5 mm | SI-2951015 | |
| 29.5 mm | 11 mm | 1.5 mm | SI-2951115 | |
| 29.5 mm | 12 mm | 1.5 mm | SI-2951215 | |
| 29.5 mm | 12 mm | 1.5 mm | Advanced submicron
C4 carbide grade |
SI-2951215SP |
| 30 mm | 12 mm | 1.5 mm | SI-301215P | |
| 30 mm | 12 mm | 1.5 mm | Advanced submicron
C4 carbide grade |
SI-301215SP |
| 30 mm | 12 mm | 1.5 mm |
Special Alloy grade For sharper edges |
SI-301215-TL15 |
4 Sided, 2 Holes Reversable Insert Knives
Unless otherwise stated in the description, all insert knives are made from premium C-2 grade of carbide. All of the Insert Knives in the table below have a 26 mm holes.

| Length | Width | Thickness | Description | Part # |
| 39.5mm | 12mm | 1.5mm | SI-3951215 | |
| 49.5mm | 8mm | 1.5mm | SI-4958015 | |
| 49.5mm | 9mm | 1.5mm | SI-4959015 | |
| 49.5mm | 9mm | 1.5mm | Advanced submicron
C4 carbide grade |
SI-4959015-SP |
| 49.5mm | 10mm | 1.5mm | SI-4951015 | |
| 49.5mm | 11mm | 1.5mm | SI-4951115 | |
| 49.5mm | 12mm | 1.5mm | SI-4951215 | |
| 49.5mm | 12mm | 1.5mm | C4 grade carbide | SI-4951215-SP |
| 59.5mm | 12mm | 1.5mm | SI-5951215 |
4 Sided, 3 Holes Reversable Insert Knives
Unless otherwise stated in the description, all insert knives are made from premium C-2 grade of carbide. All of the Insert Knives in the table below have a 37 mm holes.

| Length | Width | Thickness | Part # |
| 50mm | 10mm | 1.7mm | SI-501017 |
| 50mm | 12mm | 1.7mm | SI-501217 |
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Southeast Tool
2 Sided 2 Hole Insert Knife, 26mm Hole Centers, 35mm x 12mm x 1.5mm, Southeast Tool SI-351215Solid carbide insert knife measures 35mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 2 Hole d…
MSRP: $97.66$84.60 -
Southeast Tool
2 Sided 2 Hole Insert Knife, 16mm Hole Centers, 30mm x 12mm x 1.5mm, Southeast Tool SI-301215-16Solid carbide insert knife measures 30mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 2 Hole d…
MSRP: $91.93$79.63 -
Southeast Tool
2 Sided 2 Hole Insert Knife, 14mm Hole Centers, 30mm x 12mm x 1.5mm, Southeast Tool SI-301215Solid carbide insert knife measures 30mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 2 Hole d…
$50.00 -
Southeast Tool
2 Sided 2 Hole Insert Knife, 14mm Hole Centers, 25mm x 12mm x 1.5mm, Southeast Tool SI-251215-2Solid carbide insert knife measures 25mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 2 Hole d…
MSRP: $58.23$50.44 -
Southeast Tool
2 Sided 2 Hole Insert Knife, 60mm Hole Centers, 120mm x 13mm x 2.2mm, Southeast Tool SI-1201322Solid carbide insert knife measures 120mm Long x 13mm Wide x 2.2mm Thick. Reversible 2 Sided 2…
MSRP: $366.95$317.87 -
Southeast Tool
2 Sided 2 Hole Insert Knife, 60mm Hole Centers, 100mm x 13mm x 2.2mm, Southeast Tool SI-1001322Solid carbide insert knife measures 100mm Long x 13mm Wide x 2.2mm Thick. Reversible 2 Sided 2…
MSRP: $346.17$299.87 -
Southeast Tool
2 Sided 1 Hole Insert Knife, 9.6mm Long, 12mm Wide, 1.5mm Thick, Southeast Tool SI-961215Solid carbide insert knife measures 9.6mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 1 Hole …
MSRP: $56.31$48.79 -
Southeast Tool
2 Sided 1 Hole Insert Knife, 9mm Long, 12mm Wide, 1.5mm Thick, Southeast Tool SI-901215Solid carbide insert knife measures 9mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 1 Hole de…
MSRP: $54.08$46.85 -
Southeast Tool
2 Sided 1 Hole Insert Knife, 8.6mm Long, 12mm Wide, 1.5mm Thick, Southeast Tool SI-861215Solid carbide insert knife measures 8.6mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 1 Hole …
MSRP: $79.29$68.68 -
Southeast Tool
2 Sided 1 Hole Insert Knife, 7.5mm Long, 12mm Wide, 1.5mm Thick, Southeast Tool SI-751215Solid carbide insert knife measures 7.5mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 1 Hole …
MSRP: $33.04$28.62 -
Southeast Tool
2 Sided 1 Hole Insert Knife, 20mm Long, 12mm Wide, 1.5mm Thick, Southeast Tool SI-201215Solid carbide insert knife measures 20mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 1 Hole d…
MSRP: $36.52$31.64 -
Southeast Tool
2 Sided 1 Hole Insert Knife, 8mm Long, 12mm Wide, 1.5mm Thick, Southeast Tool SI-181215Solid carbide insert knife measures 18mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 1 Hole d…
MSRP: $82.50$71.48 -
Southeast Tool
2 Sided 1 Hole Insert Knife, 15mm Long, 12mm Wide, 1.5mm Thick, Southeast Tool SI-151215Solid carbide insert knife measures 15mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 1 Hole d…
MSRP: $30.32$26.26 -
Southeast Tool
2 Sided 1 Hole Insert Knife, 13mm Long, 12mm Wide, 1.5mm Thick, Southeast Tool SI-131215Solid carbide insert knife measures 13mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 1 Hole d…
MSRP: $92.64$80.25 -
Southeast Tool
2 Sided 1 Hole Insert Knife, 10.5mm Long, 10.5mm Wide, 1.5mm Thick, Southeast Tool SI-10510515Solid carbide insert knife measures 10.5mm Long x 10.5mm Wide x 1.5mm Thick. Reversible 2 Sided 1 Ho…
MSRP: $50.55$43.79 -
Whiteside
Carbide Insert, 14x14x2mm, 10pk, Whiteside SB-InsertCarbide Inserts - Indexable - 4 Cutting Edges, Sb-Insert 10 Pc. Insert Pak 14 mm X 14mm X 2mm - Whit…
MSRP: $45.05$38.29