12x32mm, 10-425mm Neck Finish Big Mouth Screw Thread
Flat Bottom Glass and Polypropylene Inserts

12x32mm, 10-425mm Neck Finish Big Mouth Screw Thread
Flat Bottom Glass and Polypropylene Inserts

 Item #DescriptionCase Pack
 4035-630350µL Glass Flat Bottom Insert1000 pieces
 4035-630Z350µL Glass Flat Bottom Insert, Silanized1000 pieces 
 4035-630ID350µL Glass Flat Bottom Insert with ID Ring1000 pieces
 4035-630IDZ350µL Glass Flat Bottom Insert with ID Ring, Silanized1000 pieces 
 4035-631350µL Glass Flat Bottom Insert1000 pieces
 4035-631Z350µL Glass Flat Bottom Insert, Silanized1000 pieces
 4035-631ID350µL Glass Flat Bottom Insert with ID Ring1000 pieces
 4035-631IDZ350µL Glass Flat Bottom Insert with ID Ring, Silanized1000 pieces

Flat Bottom Inserts are an economical alternative to the conical limited volume inserts.  Designed for use in 2mL large opening crimp top and screw thread vials.  Available with ID ring, at the top of the insert, for easy open-end identification.  Flat Bottom Inserts are available silanized or precleaned.