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
Screw for Spoil Insert knife, Southeast Tool SPOIL-SCREWReplacement Screw for Insert Cutter 5mm x7mm Torx, Southeast Tool Spoil-Insert. Compatible wit…
MSRP: $4.22$3.66 -
Southeast Tool
Spoil Insert knife- 4 Sided 1 Hole Insert Knife, 14mm x 14mm x 2.0mm, Southeast Tool SPOIL-INSERTSolid carbide insert knife measures 14mm Long x 14mm Wide x 2.0mm Thick. Reversible 4 Sided 1 Hole d…
MSRP: $33.82$29.29 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 14mm x 14mm x 2.0mm, Southeast Tool SI-141420Solid carbide insert knife measures 14mm Long x 14mm Wide x 2.0mm Thick. Reversible 4 Sided 1 Hole d…
MSRP: $33.82$29.29 -
Southeast Tool
2 Sided 1 Hole Insert Knife, 25mm x 12mm x 1.5mm, Southeast Tool SI-251215Solid carbide insert knife measures 25mm Long x 12mm Wide x 1.5mm Thick. Reversible 2 Sided 1 Hole d…
MSRP: $58.23$50.44 -
Southeast Tool
V Groove Insert Knife, 39.5mm x 12mm x 1.5mm, Southeast Tool SI-3951215VSolid carbide insert knife measures 39.5mm Long x 12mm Wide x 1.5mm Thick. Reversible V Groove…
MSRP: $331.47$287.13 -
Southeast Tool
Triangle Spur Insert Knife, 22mm x 19mm x 2mm, Southeast Tool SITS-221920Solid carbide insert knife measures 22mm Long x 19mm Wide x 2mm Thick. Reversible Triangle Spur desi…
MSRP: $82.73$71.65 -
Southeast Tool
Spur Grooving Insert Knife, 34mm x 16mm x 7mm, Southeast Tool SISG-341670Solid carbide insert knife measures 34mm Long x 16mm Wide x 7mm Thick. Reversible Spur-Groovin…
MSRP: $330.72$286.48 -
Southeast Tool
Spur Grooving Insert Knife, 34mm x 16mm x 6mm, Southeast Tool SISG-341660Solid carbide insert knife measures 34mm Long x 16mm Wide x 6mm Thick. Reversible Spur-Groovin…
MSRP: $330.38$286.20 -
Southeast Tool
Spur Grooving Insert Knife, 34mm x 16mm x 5mm, Southeast Tool SISG-341650Solid carbide insert knife measures 34mm Long x 16mm Wide x 5mm Thick. Reversible Spur-Groovin…
MSRP: $318.88$276.24 -
Southeast Tool
Spur Grooving Insert Knife, 34mm x 16mm x 4mm, Southeast Tool SISG-341640Solid carbide insert knife measures 34mm Long x 16mm Wide x 4mm Thick. Reversible Spur-Groovin…
MSRP: $289.14$250.47 -
Southeast Tool
Spur Grooving Insert Knife, 18mm x 18mm x 3.7mm, Southeast Tool SISG-1818370Solid carbide insert knife measures 18mm Long x 18mm Wide x 3.7mm Thick. Reversible Spur-Grooving de…
MSRP: $205.74$178.22 -
Southeast Tool
Spur Grooving Insert Knife, 18mm x 18mm x 2.95mm, Southeast Tool SISG-1818295Solid carbide insert knife measures 18mm Long x 18mm Wide x 2.95mm Thick. Reversible Spur-Grooving d…
MSRP: $174.08$150.81 -
Southeast Tool
Spur Grooving Insert Knife, 18mm x 18mm x 2.45mm, Southeast Tool SISG-1818245Solid carbide insert knife measures 18mm Long x 18mm Wide x 2.45mm Thick. Reversible Spur-Grooving d…
MSRP: $141.79$122.83 -
Southeast Tool
Spur Grooving Insert Knife, 18mm x 18mm x 1.95mm, Southeast Tool SISG-1818195Solid carbide insert knife measures 18mm Long x 18mm Wide x 1.95mm Thick. Reversible Spur-Grooving d…
MSRP: $121.67$105.40 -
Southeast Tool
Spur-Grooving Insert Knife, 32 deg, 16mm x 16mm x 3mm, Southeast Tool SISG-161630Solid carbide insert knife measures 16mm Long x 16mm Wide x 3mm Thick. Reversible Spur-Grooving desi…
MSRP: $177.36$153.64 -
Southeast Tool
Spur Grooving Insert Knife, 30deg, 14mm x 28mm x 2mm, Southeast Tool SISG-142820Solid carbide insert knife measures 14mm Long x 28mm Wide x 2mm Thick. Reversible Spur-Grooving desi…
MSRP: $105.60$91.49 -
Southeast Tool
Spur Grooving Insert Knife, 14mm x 14mm x 2mm, 2mm Radius, Southeast Tool SISG-141420-2Solid carbide insert knife measures 14mm Long x 14mm Wide x 2.0mm Thick. Reversible Spur-Grooving de…
MSRP: $121.09$104.90 -
Southeast Tool
Spur Insert Knife, 18mm x 5.7mm x 3.5mm, Southeast Tool SISP-185735Solid carbide insert knife measures 18mm Long x 5.7mm Wide x 3.5mm Thick. Reversible Spur design. Pa…
MSRP: $199.82$173.11 -
Southeast Tool
6deg Scraper Insert Knife, 20mm x 12mm x 2mm, 5mm Radius, Southeast Tool SIS-2012205Solid carbide insert knife measures 20mm Long x 12mm Wide x 2mm Thick. Reversible Scraper desi…
MSRP: $505.40$437.80 -
Southeast Tool
6deg Scraper Insert Knife, 20mm x 12mm x 2mm, 4mm Radius, Southeast Tool SIS-2012204Solid carbide insert knife measures 20mm Long x 12mm Wide x 2mm Thick. Reversible Scraper desi…
MSRP: $485.96$420.96