Dapra Corporation is now offering a series of high-performance METRIC SERIES Square Shoulder Mills in the most commonly used sizes and styles. Contact Dapra today for pricing on these metric sizes. Our metric tools will accept inch APET/XPET (and APKT-compatible) inserts of like sizes. Click here for our full Square Shoulder insert selection.

| Cutting Dia. (D) |
Holder | Insert Length | Flutes | Shank Dia. (d2) |
Overall Length (l1) |
Effective Length (l2) |
Inserts |
|---|---|---|---|---|---|---|---|
| 16mm | SSEM16-16-R35-2 | 10mm | 2 | 16mm | 80mm | 31mm | APET1003.. / XPET1003.. |
| 20mm | SSEM20-20-R35-2 | 10mm | 2 | 20mm | 90mm | 39mm | |
| 25mm | SSEM25-20-R35-4 | 10mm | 4 | 20mm | 90mm | 39mm | |
| 25mm | SSEM25-25-R55-2 | 16mm | 2 | 25mm | 100mm | 44mm | APET1604.. / XPET1604.. |
| 32mm | SSEM32-32-R35-5 | 10mm | 5 | 32mm | 100mm | 44mm | APET1003.. / XPET1003.. |
| 32mm | SSEM32-32-R55-3 | 16mm | 3 | 32mm | 100mm | 44mm | APET1604.. / XPET1604.. |
| 40mm | SSEM40-32-R55-4 | 16mm | 4 | 32mm | 115mm | 55mm |
d2 = arbor diameter; l1 = overall height

| Cutting Dia. (D) | Holder | Insert Length | Flutes | Arbor Dia. (d2) |
Overall Height (l1) |
Mounting Screw | Inserts |
|---|---|---|---|---|---|---|---|
| 50mm | SSSM50-22-R55-4 | 16mm | 4 | 22mm | 38mm | M10 | APET1604.. / XPET1604.. |
| 50mm | SSSM50-22-R55-5 | 16mm | 5 | 22mm | 38mm | M10 | |
| 63mm | SSSM63-27-R55-5 | 16mm | 5 | 27mm | 38mm | M12 | |
| 80mm | SSSM80-27-R55-6 | 16mm | 6 | 27mm | 50mm | M12 |
Dapra 90° Square Shoulder products are made in the USA.