Semsons Tech
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Deep pockets for heavier stones. At 2.0–2.5 mm a round has real mass, so the DSSMT-04 drops to a 20×40 grid of 800 deeper pockets that hold each stone square while the 504 nozzle lifts it. Fewer stones per fill than the pavé trays — by design. Fits every Semsons setter. Same-day dispatch from Mumbai and Rajkot.
Talk to our team about specifications, a demo, or installation.
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Above 2 mm the physics change. A 2.5 mm round carries several times the mass of a pavé stone, and a shallow pocket will let it rock, tilt or walk under vibration — so the DSSMT-04 is built differently from the trays below it. A coarser 20×40 matrix, deeper pockets on a (Z5) pitch, 800 positions per fill. You load fewer stones, and every one of them stays exactly where the 504 nozzle expects it.
The stones on this tray are the expensive ones. A misfeed at 0.9 mm costs you a rework; a misfeed at 2.4 mm can cost you the stone. Deeper pockets and wider spacing mean the nozzle has clearance to approach square and lift clean, without the neighbouring stone being disturbed by the airflow — which is exactly the failure mode that shallow generic trays produce at this size.
| Parameter | Specification |
|---|---|
| Product Code | DSSMT-04 |
| Diamond Size Range | 2.0–2.1–2.2 mm / 2.3–2.4–2.5 mm (round stones) |
| Sorting Grid | 20 × 40 matrix (deep-pocket architecture) |
| Total Stone Capacity | 800 diamonds per full load |
| Pocket Spacing Geometry | (X-2) × (Y2) × (Z5) calibrated pitch for larger-stone pickup |
| Tray Number | 20-21-22 (for 2.0–2.2 mm) / 23-24-25 (for 2.3–2.5 mm) |
| Recommended Nozzle | SSMN-05 (504) |
| Compatible Machines | Semsons Tech Mini Pro, Pro Series, Pro Plus and Double Head 8 Nozzle wax setting machines |
| Stone Types Supported | Natural diamond, lab-grown diamond (CVD/HPHT), CZ, synthetic rounds |
| Wide-Format Alternative | SSMWT-04 (15 × 49 grid, 735 stones) |
| Dispatch | Same-day from our Mumbai & Rajkot warehouses |
Trays are sized by stone band, and each band pairs with a specific nozzle. Find your stone size below and you have your tray — and your nozzle with it. This tray is highlighted.
| Tray Code | Stone Size Band | Grid | Capacity | Nozzle |
|---|---|---|---|---|
| DSSMT-01 | 0.8 – 1.2 mm | 40 × 80 | 3,200 | 502 / 502B |
| DSSMT-02 | 1.3 – 1.6 mm | 40 × 80 | 3,200 | 503 / 503B |
| DSSMT-03 | 1.7 – 1.9 mm | 40 × 80 | 3,200 | 503B |
| DSSMT-04 | 2.0 – 2.5 mm | 20 × 40 | 800 | 504 ◀ this product |
| DSSMT-05 | 2.5 – 3.0 mm | 20 × 40 | 800 | 504 |
The 504 nozzle covers this tray and DSSMT-05 (2.5–3.0 mm) both, so moving between the two bands does not mean changing nozzles. A wide-format equivalent, SSMWT-04 (15 × 49, 735 stones), is available for longer beds.
Deep pockets trap dust and wax dust more readily than shallow ones, so blow the tray out with clean dry air more often than you would a pavé tray — a pocket half-filled with debris holds a stone high, and a stone held high gets clipped rather than lifted. Invert to empty, store flat, and keep solvents off the pocket faces.
Match three things and you cannot go wrong: the stone size band (2.0 – 2.5 mm for this tray), the nozzle already fitted to your machine (504), and your machine model. If any of the three does not match, order the tray next to it on the ladder above instead — or send us your machine model and stone size and we will confirm it for you before dispatch.
Yes — this tray is dimensioned for Semsons Tech Mini Pro, Pro Series, Pro Plus and Double Head 8 Nozzle wax setting machines. It is not a generic import tray cut to a nominal size; the pocket pitch is machined to the coordinate map our setters actually use, which is what keeps pickup accurate from the first stone to the last.
Stay inside the published band. Stones under the band sit too deep for the nozzle to seat against, and oversized stones bridge across the pocket mouth and get knocked aside on the next pass. Both show up as skipped positions in the wax, which you only discover after casting.
Most production floors keep one tray per size band they actually run, plus a spare of their highest-volume band. On double-station and double-head machines a second tray removes the reload pause entirely — you pre-fill one while the other is on the bed.
Empty it by inversion over a sorting pad rather than brushing stones across the pockets, blow out dust with clean dry air, and store it flat. Never stack loaded trays, and keep solvents off the pocket faces — anything that etches or scores a pocket changes its depth, and depth is what the nozzle is calibrated against.
Because the stones are roughly three times the diameter and need both deeper pockets and more clearance between them. Capacity per fill is not the number that matters at this size — clean, square pickup on every stone is, and that is what the coarser grid buys you.
The DSSMT-04 ships same-day from our Mumbai and Rajkot warehouses, across India and to the 34+ countries we export to. Buying a full set of compact DSSMT trays to cover your whole size range, or restocking several of one band for a multi-machine floor? Ask for set pricing rather than ordering them one at a time.
Semsons Tech has supplied the Indian jewellery trade since 1978, with 16+ stores and warehouses, 450+ dealers and 40+ distributors behind every consumable we sell.
Not sure which part fits your machine? Send us your machine model and the stone size you are running, and we will confirm the correct item before we dispatch — so you never pay to find out it was the wrong one.
Sales: WhatsApp +91 98216 12340 | Wholesale & bulk orders: WhatsApp +91 80823 38010
Semsons Tech — Where Quality Speaks For Us. Since 1978.
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