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Magnetic Screw Caps
Magnetic precision-thread screw caps present a convenient alternative to crimp caps designs. Caps come with 18mm liners already installed. The cap has an 8mm center aperture. QEC's 18mm screw closures give a good balance of performance, cost, and usability that has caused this product to grow in popularity.
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| Item# | Product | Description | Size | Unit | Septa | Unit Price |
| QP2003.018.7698 | 18mm Screw Cap - PTFE/Butyl | Silver steel screw closure | 18mm | Pkg of 100 | 0.060" Natural PTFE/Butyl | $92.15 |
| QP2003.018.7711 | 18mm Screw Cap - Red PTFE, white silicone | Silver steel screw closure | 18mm | Pkg of 100 | 0.074" Red PTFE, white silicone | $79.06 |
| QP2003.018.7712 | 18mm Screw Cap - Blue PTFE, white silicone | Silver steel screw closure | 18mm | Pkg of 100 | 0.060" Blue PTFE, white silicone | $81.31 |
| QP2003.018.7715 | 18mm Screw Cap - White PTFE, trans-blue silicone | Silver steel screw closure | 18mm | Pkg of 100 | 0.060" White PTFE, trans-blue silicone | $90.53 |
| QP2003.018.8074 | 18mm Screw Cap - Natural PTFE, white silicone | Silver steel screw closure | 18mm | Pkg of 100 | 0.125" Natural PTFE, white silicone | $113.50 |