
MODEL · IRST4R12520
12.5 × 20mm Iron Housing Quad Sliding Door & Window Roller Assembly – IRST4R12520
IRST4R12520 iron door roller for sliding door systems. Ask SLIDEVIA Hardware about dimensions, surface finishes, OEM production, samples and bulk packaging.
Size210*12.5 × 20 mmMaterialIron
RELATED SIZES & MATERIALS
Compare specifications—not appearance.Choose the exact roller
Current selection210*12.5 × 20 mmIronIRST4R12520
A 1 mm difference can affect fit. Confirm the housing width, height and length against your drawing before ordering.
Volume pricing
3,000+ pcsUS$ 1.20 / pc
10,000+ pcsUS$ 0.90 / pc
50,000+ pcsUS$ 0.80 / pc
PRODUCT & OCEAN FREIGHT
Model IRST4R12520LCL sea freight estimate
Unit product priceUS$ 1.20 / pc
Product amountUS$ 3,600.00
Chargeable freight1.00 RT · Weight
Ocean freight / pieceUS$ 0.040 / pc
Estimated ocean freightUS$ 120.00
Products + ocean freightUS$ 3,720.00
Estimated port-to-port LCL ocean freight, updated August 2026. Charged by W/M: total CBM or gross weight in metric tons, whichever is greater; minimum 1 RT per shipment. Carton data is used when available; otherwise product dimensions include a packing allowance. Excludes local handling, customs clearance, duties, taxes, insurance and final delivery. Final freight is confirmed at booking.
Product specifications
- Size
- 210*12.5 × 20 mm
- Material
- Iron
- Product weight
- 0.156 kg
- Units per carton
- 100 pcs
- Carton size
- 22.5 × 14 × 21.5 cm
- Carton weight
- 17 kg