Magnetic Screw Caps

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