0.4mm ID Graphite Ferrule For Thermo Finnigan (M8 Nut) (10/pk)

Details

100% graphite ferrule; upper temperature limit 450°C. Soft; graphite is recommended for use with fused silica and glass. Reusable if not overtightened. One piece design requires no back ferrule,Packaged: 3" x 3" x 1/4" Plastic Dial Pack; Weight 7.25 g.