
Product codes & specifications
| Product code | Spec | ||
|---|---|---|---|
| SDB 20/28 | Diameter: 20 mm | Segment Thickness: 2.0 mm | Segment Height: 7 mm | Thread: M14 |
Need a different model, or a part not listed here? Send us your parts list →
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Can't find your part? Send the part number — we source directly from Korean makers and quote within 1 business day.
Sintered and electroplated diamond step bit with M14 thread for porcelain.
| Diameter | 20 mm |
|---|---|
| Segment Thickness | 2.0 mm |
| Segment Height | 7 mm |
| Thread | M14 |
| SDB 20/28 | Diameter: 20 mm | Segment Thickness: 2.0 mm | Segment Height: 7 mm | Thread: M14 |
Need a different model, or a part not listed here? Send us your parts list →
SDB 20/28
Send the Diatop part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

| Product code | Spec | ||
|---|---|---|---|
| SDB 20/28 | Diameter: 20 mm | Segment Thickness: 2.0 mm | Segment Height: 7 mm | Thread: M14 |
Need a different model, or a part not listed here? Send us your parts list →





