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.

SizeDescriptionPkgSeptaProduct No.
18mm Silver steel screw closure 100 0.060" White PTFE, trans-blue silicone QP2003.018.7715
18mm Silver steel screw closure 100 0.060" Blue PTFE, white silicone QP2003.018.7712
18mm Silver steel screw closure 100 0.074" Red PTFE, white silicone QP2003.018.7711
18mm Silver steel screw closure 100 0.060" Natural PTFE/Butyl QP2003.018.7698
18mm Silver steel screw closure 100 0.125" Natural PTFE, white silicone QP2003.018.8074