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
4 Sided 1 Hole Insert Knife, 13.6mm x 13.6mm x 2mm , Southeast Tool SI-1361362Solid carbide insert knife measures 13.6mm Long x 13.6mm Wide x 2mm Thick. Reversible 4 Sided 1 Hole…
MSRP: $41.98$36.37 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 13mm x 13mm x 2.5mm , Southeast Tool SI-131325Solid carbide insert knife measures 13mm Long x 13mm Wide x 2.5mm Thick. Reversible 4 Sided 1 Hole d…
MSRP: $100.30$86.89 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 12mm x 12mm x 1.5mm , Southeast Tool SI-121215Solid carbide insert knife measures 12mm Long x 12mm Wide x 1.5mm Thick. Reversible 4 Sided 1 Hole d…
MSRP: $36.45$31.57 -
Southeast Tool
2 Sided Face Groove Insert Knife, 60mm x 8mm x 1.5mm , Southeast Tool SI-608015FGSolid carbide insert knife measures 60mm Long x 8mm Wide x 1.5mm Thick. Reversible 2 Sided design wi…
MSRP: $97.03$84.06 -
Southeast Tool
2 Sided Face Groove Insert Knife, 50mm x 8mm x 1.5mm , Southeast Tool SI-508015FGSolid carbide insert knife measures 50mm Long x 8mm Wide x 1.5mm Thick. Reversible 2 Sided design wi…
MSRP: $77.06$66.76 -
Southeast Tool
2 Sided Face Groove Insert Knife, 50mm x 5.5mm x 1.1mm , Southeast Tool SI-505511FGSolid carbide insert knife measures 50mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 2 Sided design …
MSRP: $66.87$57.93 -
Southeast Tool
2 Sided Face Groove Insert Knife, 40mm x 5.5mm x 1.1mm , Southeast Tool SI-405511FGSolid carbide insert knife measures 40mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 2 Sided design …
MSRP: $55.68$48.24 -
Southeast Tool
2 Sided Face Groove Insert Knife, 30mm x 5.5mm x 1.1mm , Southeast Tool SI-305511FGSolid carbide insert knife measures 30mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 2 Sided design …
MSRP: $56.25$48.73 -
Southeast Tool
2 Sided Face Groove Insert Knife, 20mm x 5.5mm x 1.1mm , Southeast Tool SI-205511FGSolid carbide insert knife measures 20mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 2 Sided design …
MSRP: $47.29$40.96 -
Southeast Tool
2 Sided Face Groove Insert Knife, 12mm x 5.5mm x 1.1mm , Southeast Tool SI-125511FGSolid carbide insert knife measures 12mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 2 Sided design …
MSRP: $41.98$36.37 -
Southeast Tool
2 Sided Back Groove Insert Knife, T03SMG, 50mm x 5.5mm x 1.1mm, Southeast Tool SI-505511BG-T03Solid carbide insert knife measures 50mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 2 Sided design …
MSRP: $83.88$72.66 -
Southeast Tool
2 Sided Back Groove Insert Knife, 50mm x 5.5mm x 1.1mm , Southeast Tool SI-505511BGSolid carbide insert knife measures 50mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 2 Sided design …
MSRP: $69.87$60.53 -
Southeast Tool
2 Sided Back Groove Insert Knife, 40mm x 5.5mm x 1.1mm , Southeast Tool SI-405511BGSolid carbide insert knife measures 40mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 2 Sided design …
MSRP: $60.82$52.68 -
Southeast Tool
2 Sided Back Groove Insert Knife, 30mm x 5.5mm x 1.1mm , Southeast Tool SI-305511BGSolid carbide insert knife measures 30mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 2 Sided design …
MSRP: $56.94$49.31 -
Southeast Tool
2 Sided Back Groove Insert Knife, 20mm x 5.5mm x 1.1mm , Southeast Tool SI-205511BGSolid carbide insert knife measures 20mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 2 Sided design …
MSRP: $87.76$76.02 -
Southeast Tool
2 Sided Back Groove Insert Knife, 12mm x 5.5mm x 1.1mm , Southeast Tool SI-125511BGSolid carbide insert knife measures 12mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 2 Sided design …
MSRP: $35.51$30.76 -
Southeast Tool
2 Sided 2 Hole Insert Knife, 60mm Hole Centers, 80mm x 13mm x 2.2mm, Southeast Tool SI-801322Solid carbide insert knife measures 80mm Long x 13mm Wide x 2.2mm Thick. Reversible 2 Sided 2 …
MSRP: $271.53$235.21 -
Southeast Tool
2 Sided 2 Hole Insert Knife, 26mm Hole Centers, 60mm x 12mm x 1.5mm, Southeast Tool SI-601215Solid carbide insert knife measures 60mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 2 Hole d…
MSRP: $91.49$79.26 -
Southeast Tool
2 Sided 2 Hole Insert Knife, 26mm Hole Centers, 50mm x 12mm x 1.5mm, Southeast Tool SI-501215Solid carbide insert knife measures 50mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 2 Hole d…
MSRP: $66.79$57.86 -
Southeast Tool
2 Sided 2 Hole Insert Knife, 26mm Hole Centers, 40mm x 12mm x 1.5mm, Southeast Tool SI-401215Solid carbide insert knife measures 40mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 2 Hole d…
MSRP: $60.82$52.68