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, 19.5mm x 9mm x 1.5mm , Southeast Tool SI-1959015Solid carbide insert knife measures 19.5mm Long x 9mm Wide x 1.5mm Thick. Reversible 4 Sided 1 Hole …
MSRP: $78.18$67.73 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 19.5mm x 8mm x 1.5mm , Southeast Tool SI-1958015Solid carbide insert knife measures 19.5mm Long x 8mm Wide x 1.5mm Thick. Reversible 4 Sided 1 Hole …
MSRP: $91.00$78.83 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 19.5mm x 7.5mm x 1.5mm , Southeast Tool SI-1957515Solid carbide insert knife measures 19.5mm Long x 7.5mm Wide x 1.5mm Thick. Reversible 4 Sided 1 Hol…
MSRP: $91.00$78.83 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 19.5mm x 7mm x 1.5mm , Southeast Tool SI-1957015Solid carbide insert knife measures 19.5mm Long x 7mm Wide x 1.5mm Thick. Reversible 4 Sided 1 Hole …
MSRP: $91.00$78.83 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 19mm x 12mm x 1.5mm , Southeast Tool SI-1951215Solid carbide insert knife measures 19.5mm Long x 12mm Wide x 1.5mm Thick. Reversible 4 Sided 1 Hole…
MSRP: $68.43$59.28 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 19.5mm x 11mm x 1.5mm , Southeast Tool SI-1951115Solid carbide insert knife measures 19.5mm Long x 11mm Wide x 1.5mm Thick. Reversible 4 Sided 1 Hole…
MSRP: $83.70$72.51 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 19mm x 10mm x 1.5mm , Southeast Tool SI-1951015Solid carbide insert knife measures 19.5mm Long x 10mm Wide x 1.5mm Thick. Reversible 4 Sided 1 Hole…
MSRP: $83.70$72.51 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 4mm Hole, 19mm x 19mm x 2mm , Southeast Tool SI-191920Solid carbide insert knife measures 19mm Long x 19mm Wide x 2mm Thick. Reversible 4 Sided 1 Hole des…
MSRP: $126.40$109.51 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 4mm Hole, 17mm x 17mm x 2mm , Southeast Tool SI-1717204Solid carbide insert knife measures 17mm Long x 17mm Wide x 2mm Thick. Reversible 4 Sided 1 Hole des…
MSRP: $109.35$94.73 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 3mm Hole, 17mm x 17mm x 2mm , Southeast Tool SI-1717203Solid carbide insert knife measures 17mm Long x 17mm Wide x 2mm Thick. Reversible 4 Sided 1 Hole des…
MSRP: $103.63$89.77 -
Southeast Tool
4 Sided 1 Hole Insert Knife, Square Corner T08CR, 15mm x 15mm x 2.5mm , Southeast Tool SI-151525-SQ-SPSolid carbide insert knife measures 15mm Long x 15mm Wide x 2.5mm Thick. Reversible 4 Sided 1 Hole d…
MSRP: $77.06$66.76 -
Southeast Tool
4 Sided 1 Hole Insert Knife, Square Corner, 15mm x 15mm x 2.5mm , Southeast Tool SI-151525-SQSolid carbide insert knife measures 15mm Long x 15mm Wide x 2.5mm Thick. Reversible 4 Sided 1 Hole d…
MSRP: $71.35$61.81 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 50mm Radius, 15mm x 15mm x 2.5mm , Southeast Tool SI-151525-R50Solid carbide insert knife measures 15mm Long x 15mm Wide x 2.5mm Thick. Reversible 4 Sided 1 Hole d…
MSRP: $89.70$77.70 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 150mm Radius, 15mm x 15mm x 2.5mm , Southeast Tool SI-151525Solid carbide insert knife measures 15mm Long x 15mm Wide x 2.5mm Thick. Reversible 4 Sided 1 Hole d…
MSRP: $80.81$70.00 -
Southeast Tool
4 Sided 1 Hole Insert Knife, Radius Corner, 14.6mm x 14.6mm x 2.5mm , Southeast Tool SI-14614625CRSolid carbide insert knife measures 14.6mm Long x 14.6mm Wide x 2.5mm Thick. Reversible 4 Sided 1 Ho…
MSRP: $68.49$59.33 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 14.6mm x 14.6mm x 2.5mm , Southeast Tool SI-14614625Solid carbide insert knife measures 14.6mm Long x 14.6mm Wide x 2.5mm Thick. Reversible 4 Sided 1 Ho…
MSRP: $76.66$66.40 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 14.3mm x 14.3mm x 2.5mm , Southeast Tool SI-14314325Solid carbide insert knife measures 14.3mm Long x 14.3mm Wide x 2.5mm Thick. Reversible 4 Sided 1 Ho…
MSRP: $75.40$65.32 -
Southeast Tool
4 Sided 1 Hole Insert Knife, T04F Grade, 14mm x 14mm x 2mm , Southeast Tool SI-141420-SPSolid carbide insert knife measures 14mm Long x 14mm Wide x 2mm Thick. Reversible 4 Sided 1 Hole des…
MSRP: $37.75$32.70 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 14mm x 14mm x 2mm , Southeast Tool SI-141420CRSolid carbide insert knife measures 14mm Long x 14mm Wide x 2mm Thick. Reversible 4 Sided 1 Hole des…
MSRP: $90.90$78.75 -
Southeast Tool
4 Sided 1 Hole Insert Knife, 14mm x 14.6mm x 1.2mm , Southeast Tool SI-141412Solid carbide insert knife measures 14mm Long x 14mm Wide x 1.2mm Thick. Reversible 4 Sided 1 Hole d…
MSRP: $40.39$34.99