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 2 Hole Insert Knife, 26mm Hole Center, 49.5mm x 8mm x 1.5mm, Southeast Tool SI-4958015Solid carbide insert knife measures 49.5mm Long x 8mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole …
MSRP: $128.60$111.40 -
Southeast Tool
4 Sided 2 Hole Insert Knife, T045, 26mm Hole Center, 49.5mm x 12mm x 1.5mm, Southeast Tool SI-4951215-SPSolid carbide insert knife measures 49.5mm Long x 12mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole…
MSRP: $113.78$98.56 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 26mm Hole Center, 49.5mm x 12mm x 1.5mm, Southeast Tool SI-4951215Solid carbide insert knife measures 49.5mm Long x 12mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole…
MSRP: $120.90$104.73 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 26mm Hole Center, 49.5mm x 11mm x 1.5mm, Southeast Tool SI-4951115Solid carbide insert knife measures 49.5mm Long x 11mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole…
MSRP: $125.85$109.02 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 26mm Hole Center, 49.5mm x 10mm x 1.5mm, Southeast Tool SI-4951015Solid carbide insert knife measures 49.5mm Long x 10mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole…
MSRP: $125.85$109.02 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 26mm Hole Center, 39.5mm x 12mm x 1.5mm, Southeast Tool SI-3951215Solid carbide insert knife measures 39.5mm Long x 12mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole…
$118.91 -
Southeast Tool
4 Sided 2 Hole Insert Knife, TL15 Grade, 14mm Hole Center, 30mm x 12mm x 1.5mm, Southeast Tool SI-301215-TL15Solid carbide insert knife measures 30mm Long x 12mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole d…
MSRP: $55.91$48.43 -
Southeast Tool
2 Sided 2 Hole Insert Knife, T03SMG, 14mm Hole Center, 30mm x 12mm x 1.5mm, Southeast Tool SI-301215SPSolid carbide insert knife measures 30mm Long x 12mm Wide x 12mm Thick. Reversible 2 Sided 2 Hole de…
MSRP: $52.03$45.08 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 14mm Hole Center, 30mm x 12mm x 1.5mm, Southeast Tool SI-301215PSolid carbide insert knife measures 30mm Long x 12mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole d…
MSRP: $86.03$74.53 -
Southeast Tool
4 Sided 2 Hole Insert Knife, T03SMG, 14mm Hole Center, 29.5mm x 9.0mm x 1.5mm, Southeast Tool SI-2959015SPSolid carbide insert knife measures 29.5mm Long x 9mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole …
MSRP: $107.64$93.25 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 14mm Hole Center, 29.5mm x 9.0mm x 1.5mm, Southeast Tool SI-2959015Solid carbide insert knife measures 29.5mm Long x 9mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole …
MSRP: $86.03$74.53 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 14mm Hole Center, 29.5mm x 8.0mm x 1.5mm, Southeast Tool SI-2958015Solid carbide insert knife measures 29.5mm Long x 8mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole …
MSRP: $100.12$86.72 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 14mm Hole Centers, 29.5mm x 7.5mm x 1.5mm, Southeast Tool SI-2957515Solid carbide insert knife measures 29.5mm Long x 7.5mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hol…
MSRP: $107.83$93.40 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 14mm Hole Centers, 29.5mm x 7mm x 1.5mm, Southeast Tool SI-2957015Solid carbide insert knife measures 29.5mm Long x 7mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole …
MSRP: $107.83$93.40 -
Southeast Tool
4 Sided 2 Hole Insert Knife, T03SMG, 14mm Hole Centers, 29.5mm x 12mm x 1.5mm, Southeast Tool SI-2951215SPSolid carbide insert knife measures 29.5mm Long x 12mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole…
MSRP: $109.36$94.73 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 14mm Hole Centers, 29.5mm x 12mm x 1.5mm, Southeast Tool SI-2951215**This item is now available as Southeast Tool SI-301215P.** Solid carbide insert knife …
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Southeast Tool
4 Sided 2 Hole Insert Knife, 14mm Hole Centers, 29.5mm x 11mm x 1.5mm, Southeast Tool SI-2951115Solid carbide insert knife measures 29.5mm Long x 11mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole…
MSRP: $98.00$84.90 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 14mm Hole Centers, 29.5mm x 10mm x 1.5mm, Southeast Tool SI-2951015Solid carbide insert knife measures 29.5mm Long x 10mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole…
MSRP: $98.00$84.90 -
Southeast Tool
4 Sided 2 Hole Insert Knife, 14mm Hole Centers, 28mm x 7mm x 1.5mm, Southeast Tool SI-287015Solid carbide insert knife measures 28mm Long x 7mm Wide x 1.5mm Thick. Reversible 4 Sided 2 Hole de…
MSRP: $157.63$136.54 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 40deg, 21mm x 21mm x 5.5mm , Southeast Tool SI-212155Solid carbide insert knife measures 21mm Long x 21mm Wide x 5.5mm Thick. Reversible 4 Sided 1 Hole d…
MSRP: $181.84$157.52