Advanced Search

Kimax® Medium Length Standard Taper Glass Stopper

Kimax® Medium Length Standard Taper Glass Stopper

Kimax® pennyhead stoppers are used with laboratory glassware such as flasks, mixing cylinders, and separatory funnels.

  • Standard Taper size 13 stopper is solid, stopper size 38 is hollow
  • Designed from ASTM Specification E675
  • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
Cat.No. Stopper Number, ST Top O.D. Height Above Ground Joint Ground Zone Length PK     CS    
6-41900R-13 13 13.4mm 21mm 14mm $29.30
Add To Favorites $112.40
Add To Favorites
6-41900R-38 38 38.0 39 30 $84.08
Add To Favorites $322.71
Add To Favorites

The following items have been added to your cart:

Choose a favorite list for this item:

Catalog Number Description Price

Request Literature

Please fill out the form below if you want to request literature from Krackeler Scientific.


Quick Order

* Required

New Year Price Updates

We are currently working diligently to update our website pricing information for the New Year. If you place an order, you will be acknowledged with any corrected pricing. If you'd like the most current information sooner, please don't hesitate to drop us an email or give us a call and we'd be happy to assist. Thank you for your patience while we are updating.


Play Video

To Request a Quote

  1. Search or Browse for items and add to them to your Shopping Cart.
  2. Click the "Request Quote" button at the bottom of the Shopping Cart page.
  3. Fill out required fields.
  4. Optionally you can convert to standard checkout mode by choosing a payment type.
  5. Click "Request Quote" at the bottom of the page.

You will be contacted with a quote.

To Order From a Quote

  1. Register and login to the website.
  2. Receive a quote from your sales representative or customer service.
  3. Have your copy of the quote in hand.
  4. Visit our quote module to search for your quote.
Back to Top