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
Double Radius Insert Knife, w/ 2mm Radius, 16mm x 17.5mm x 2mm, Southeast Tool SIDR-161752-2Solid carbide insert knife measures 16mm Long x 17.5mm Wide x 2mm Thick. Reversible Double Rad…
MSRP: $282.07$244.34 -
Southeast Tool
4 Sided Chipbreaker Insert Knife, 50mm x 12mm x 1.5mm, Southeast Tool SI-501215CBSolid carbide insert knife measures 50mm Long x 12mm Wide x 1.5mm Thick. Reversible Chipbreaker desi…
MSRP: $130.55$113.09 -
Southeast Tool
3 Sided Chipbreaker Insert Knife, 30mm x 12mm x 1.5mm, Southeast Tool SI-301215CBSolid carbide insert knife measures 30mm Long x 12mm Wide x 1.5mm Thick. Reversible Chipbreaker desi…
MSRP: $149.86$129.82 -
Southeast Tool
2 Sided Chipbreaker Insert Knife, 20mm x 12mm x 1.5mm, Southeast Tool SI-201215CBSolid carbide insert knife measures 20mm Long x 12mm Wide x 1.5mm Thick. Reversible Chipbreaker desi…
MSRP: $151.21$130.99 -
Southeast Tool
4 Sided Chipbreaker Insert Knife, 15mm x 15mm x 2mm, Southeast Tool SI-151520CBSolid carbide insert knife measures 15mm Long x 15mm Wide x 2mm Thick. Reversible Chipbreaker design…
MSRP: $83.93$72.71 -
Southeast Tool
4 Sided Insert Knife, Face Groove, 50mm x 5.5mm x 1.1mm, Southeast Tool SI-505511FG4Solid carbide insert knife measures 50mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 4 Sided design …
MSRP: $110.03$95.32 -
Southeast Tool
4 Sided Insert Knife, Face Groove, 40mm x 5.5mmmm x 1.1mm, Southeast Tool SI-405511FG4Solid carbide insert knife measures 40mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 4 Sided design …
MSRP: $91.75$79.48 -
Southeast Tool
4 Sided Insert Knife, Face Groove, 35mm x 5.5mm x 1.1mm, Southeast Tool SI-355511FG4Solid carbide insert knife measures 35mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 4 Sided design …
MSRP: $100.29$86.88 -
Southeast Tool
4 Sided Insert Knife, Face Groove, 30mm x 5.5mm x 1.1mm, Southeast Tool SI-305511FG4Solid carbide insert knife measures 30mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 4 Sided design …
MSRP: $94.60$81.95 -
Southeast Tool
4 Sided Insert Knife, Face Groove, 25mm x 5.5mm x 1.1mm, Southeast Tool SI-255511FG4Solid carbide insert knife measures 25mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 4 Sided design …
MSRP: $86.64$75.05 -
Southeast Tool
4 Sided Insert Knife, Face Groove, 20mm x 5.5mm x 1.1mm, Southeast Tool SI-205511FG4Solid carbide insert knife measures 20mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 4 Sided design …
MSRP: $86.03$74.53 -
Southeast Tool
4 Sided Insert Knife, Back & Cross Groove, 50mm x 5.5mm x 1.1mm, Southeast Tool SI-505511BCGSolid carbide insert knife measures 50mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 4 Sided design …
MSRP: $110.03$95.32 -
Southeast Tool
4 Sided Insert Knife, Back & Cross Groove, 40mm x 5.5mm x 1.1mm, Southeast Tool SI-405511BCGSolid carbide insert knife measures 40mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 4 Sided design …
MSRP: $91.75$79.48 -
Southeast Tool
4 Sided Insert Knife, Back & Cross Groove, 30mm x 5.5mm x 1.1mm, Southeast Tool SI-305511BCGSolid carbide insert knife measures 30mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 4 Sided design …
MSRP: $99.50$86.20 -
Southeast Tool
4 Sided Insert Knife, Back & Cross Groove, 20mm x 5.5mm x 1.1mm, Southeast Tool SI-205511BCGSolid carbide insert knife measures 20mm Long x 5.5mm Wide x 1.1mm Thick. Reversible 4 Sided design …
MSRP: $101.27$87.73 -
Southeast Tool
4 Sided 3 Hole Insert Knife, 37mm Hole Center, 50mm x 12mm x 1.7mm, Southeast Tool SI-501217Solid carbide insert knife measures 50mm Long x 12mm Wide x 1.7mm Thick. Reversible 4 Sided 3 Hole d…
MSRP: $113.42$98.25 -
Southeast Tool
4 Sided 3 Hole Insert Knife, 37mm Hole Center, 50mm x 10mm x 1.7mm, Southeast Tool SI-501017Solid carbide insert knife measures 50mm Long x 10mm Wide x 1.7mm Thick. Reversible 4 Sided 3 Hole d…
MSRP: $132.58$114.85 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 26mm Hole Center, 59.5mm x 12mm x 1.5mm, Southeast Tool SI-5951215Solid carbide insert knife measures 59.5mm Long x 12mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole…
MSRP: $134.83$116.80 -
Southeast Tool
4 Sided 2 Hole Insert Knife, T03SMG, 26mm Hole Center, 49.5mm x 9mm x 1.5mm, Southeast Tool SI-4959015-SPSolid carbide insert knife measures 49.5mm Long x 9mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole …
MSRP: $144.45$125.14 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 26mm Hole Center, 49.5mm x 9mm x 1.5mm, Southeast Tool SI-4959015Solid carbide insert knife measures 49.5mm Long x 9mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole …
MSRP: $120.90$104.73