RubberMill Inc
RubberMill Inc.
9897 Old Liberty Road
Liberty, NC 27298
Tel: 336.622.1680
Fax: 336.622.1685
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RubberMill supplies lab stoppers to North American distributors and large volume customers in the Laboratory, Medical, Scholastic, OEM, Paint - Finishing, Industrial and Recreational Products markets.
Our stock standard grade stoppers are manufactured from a premium grade SBR black rubber compound with a 1.342 specific gravity (they do not float in water). They have a temperature usage range of -40C to 70C. The 40 (+/-5) Durometer material is soft, pliable and long lasting. Solid, one-hole, and two-hole in sizes from #000 to #15 are available. Contact us for pricing on large volumes of custom compounds or colors.

Please click on an item number below to view detailed pricing information
Lab Stoppers Dimensional Drawing
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Item #

Item Name

Top Diameter

Bottom Diameter

Length

Hole Diameter

CLS-0-1H-10B40 N/A #0 Size 1-Hole Lab Stopper N/A 17 mm N/A 13 mm N/A 25 mm N/A 3 mm
CLS-0-S-10B40 N/A #0 Size Solid Lab Stopper N/A 17 mm N/A 13 mm N/A 25 mm N/A
CLS-00-1H-10B40 N/A #00 Size 1-Hole Lab Stopper N/A 15 mm N/A 10 mm N/A 25 mm N/A 3 mm
CLS-00-2H-10B40 N/A #00 Size 2-Hole Lab Stopper N/A 15 mm N/A 10 mm N/A 25 mm N/A 3 mm
CLS-00-S-10B40 N/A #00 Size Solid Lab Stopper N/A 15 mm N/A 10 mm N/A 25 mm N/A
CLS-000-1H-10B40 N/A #000 Size 1-Hole Lab Stopper N/A 12 mm N/A 9 mm N/A 18 mm N/A 2.5 mm
CLS-000-S-10B40 N/A #000 Size Solid Lab Stopper N/A 12 mm N/A 9 mm N/A 18 mm N/A
CLS-01-1H-10B40 N/A #1 Size 1-Hole Lab Stopper N/A 19 mm N/A 14 mm N/A 25 mm N/A 4 mm
CLS-01-S-10B40 N/A #1 Size Solid Lab Stopper N/A 19 mm N/A 14 mm N/A 25 mm N/A
CLS-02-1H-10B40 N/A #2 Size 1-Hole Lab Stopper N/A 20 mm N/A 16 mm N/A 25 mm N/A 5 mm
CLS-02-2H-10B40 N/A #2 Size 2-Hole Lab Stopper N/A 20 mm N/A 16 mm N/A 25 mm N/A 5 mm
CLS-02-S-10B40 N/A #2 Size Solid Lab Stopper N/A 20 mm N/A 16 mm N/A 25 mm N/A
CLS-03-1H-10B40 N/A #3 Size 1-Hole Lab Stopper N/A 24 mm N/A 18 mm N/A 25 mm N/A 5 mm
CLS-03-2H-10B40 N/A #3 Size 2-Hole Lab Stopper N/A 24 mm N/A 18 mm N/A 25 mm N/A 5 mm
CLS-03-S-10B40 N/A #3 Size Solid Lab Stopper N/A 24 mm N/A 18 mm N/A 25 mm N/A
CLS-04-1H-10B40 N/A #4 Size 1-Hole Lab Stopper N/A 26 mm N/A 20 mm N/A 25 mm N/A 5 mm
CLS-04-2H-10B40 N/A #4 Size 2-Hole Lab Stopper N/A 26 mm N/A 20 mm N/A 25 mm N/A 5 mm
CLS-04-S-10B40 N/A #4 Size Solid Lab Stopper N/A 26 mm N/A 20 mm N/A 25 mm N/A
CLS-05-1H-10B40 N/A #5 Size 1-Hole Lab Stopper N/A 27 mm N/A 23 mm N/A 25 mm N/A 5 mm
CLS-05-2H-10B40 N/A #5 Size 2-Hole Lab Stopper N/A 27 mm N/A 23 mm N/A 25 mm N/A 5 mm
CLS-05-S-10B40 N/A #5 Size Solid Lab Stopper N/A 27 mm N/A 23 mm N/A 25 mm N/A
CLS-05.5-1H-10B40 N/A #5-1/2 Size 1-Hole Lab Stopper N/A 28 mm N/A 24 mm N/A 25 mm N/A 5 mm
CLS-05.5-S-10B40 N/A #5-1/2 Size Solid Lab Stopper N/A 28 mm N/A 24 mm N/A 25 mm N/A
CLS-06-1H-10B40 N/A #6 Size 1-Hole Lab Stopper N/A 32 mm N/A 26 mm N/A 25 mm N/A 5 mm
CLS-06-2H-10B40 N/A #6 Size 2-Hole Lab Stopper N/A 32 mm N/A 26 mm N/A 25 mm N/A 5 mm
CLS-06-S-10B40 N/A #6 Size Solid Lab Stopper N/A 32 mm N/A 26 mm N/A 25 mm N/A
CLS-06.5-1H-10B40 N/A #6-1/2 Size 1-Hole Lab Stopper N/A 34 mm N/A 27 mm N/A 25 mm N/A 5 mm
CLS-06.5-2H-10B40 N/A #6-1/2 Size 2-Hole Lab Stopper N/A 34 mm N/A 27 mm N/A 25 mm N/A 5 mm
CLS-06.5-S-10B40 N/A #6-1/2 Size Solid Lab Stopper N/A 34 mm N/A 27 mm N/A 25 mm N/A
CLS-07-1H-10B40 N/A #7 Size 1-Hole Lab Stopper N/A 37 mm N/A 30 mm N/A 25 mm N/A 5 mm
CLS-07-S-10B40 N/A #7 Size Solid Lab Stopper N/A 37 mm N/A 30 mm N/A 25 mm N/A
CLS-07.5-1H-10B40 N/A #7-1/2 Size 1-Hole Lab Stopper N/A 39 mm N/A 21 mm N/A 25 mm N/A 5 mm
CLS-07.5-S-10B40 N/A #7-1/2 Size Solid Lab Stopper N/A 39 mm N/A 21 mm N/A 25 mm N/A
CLS-08-1H-10B40 N/A #8 Size 1-Hole Lab Stopper N/A 41 mm N/A 33 mm N/A 25 mm N/A 5 mm
CLS-08-S-10B40 N/A #8 Size Solid Lab Stopper N/A 41 mm N/A 33 mm N/A 25 mm N/A
CLS-08.5-1H-10B40 N/A #8-1/2 Size 1-Hole Lab Stopper N/A 43 mm N/A 36 mm N/A 25 mm N/A 5 mm
CLS-08.5-S-10B40 N/A #8-1/2 Size Solid Lab Stopper N/A 43 mm N/A 36 mm N/A 25 mm N/A
CLS-09-1H-10B40 N/A #9 Size 1-Hole Lab Stopper N/A 45 mm N/A 37 mm N/A 25 mm N/A 5 mm
CLS-09-2H-10B40 N/A #9 Size 2-Hole Lab Stopper N/A 45 mm N/A 37 mm N/A 25 mm N/A 5 mm
CLS-09-S-10B40 N/A #9 Size Solid Lab Stopper N/A 45 mm N/A 37 mm N/A 25 mm N/A
CLS-09.5-1H-10B40 N/A #9-1/2 Size 1-Hole Lab Stopper N/A 46 mm N/A 38 mm N/A 25 mm N/A 5 mm
CLS-09.5-S-10B40 N/A #9-1/2 Size Solid Lab Stopper N/A 46 mm N/A 38 mm N/A 25 mm N/A
CLS-10-1H-10B40 N/A #10 Size 1-Hole Lab Stopper N/A 50 mm N/A 42 mm N/A 25 mm N/A 5 mm
CLS-10-S-10B40 N/A #10 Size Solid Lab Stopper N/A 50 mm N/A 42 mm N/A 25 mm N/A
CLS-10.5-1H-10B40 N/A #10-1/2 Size 1-Hole Lab Stopper N/A 53 mm N/A 45 mm N/A 25 mm N/A 5 mm
CLS-10.5-S-10B40 N/A #10-1/2 Size Solid Lab Stopper N/A 53 mm N/A 45 mm N/A 25 mm N/A
CLS-11-1H-10B40 N/A #11 Size 1-Hole Lab Stopper N/A 56 mm N/A 48 mm N/A 25 mm N/A 5 mm
CLS-11-S-10B40 N/A #11 Size Solid Lab Stopper N/A 56 mm N/A 48 mm N/A 25 mm N/A
CLS-11.5-1H-10B40 N/A #11-1/2 Size 1-Hole Lab Stopper N/A 63 mm N/A 50 mm N/A 25 mm N/A 5 mm
CLS-11.5-S-10B40 N/A #11-1/2 Size Solid Lab Stopper N/A 63 mm N/A 50 mm N/A 25 mm N/A
CLS-12-1H-10B40 N/A #12 Size 1-Hole Lab Stopper N/A 64 mm N/A 54 mm N/A 25 mm N/A 5 mm
CLS-12-S-10B40 N/A #12 Size Solid Lab Stopper N/A 64 mm N/A 54 mm N/A 25 mm N/A
CLS-13-1H-10B40 N/A #13 Size 1-Hole Lab Stopper N/A 68 mm N/A 58 mm N/A 25 mm N/A 5 mm
CLS-13-S-10B40 N/A #13 Size Solid Lab Stopper N/A 68 mm N/A 58 mm N/A 25 mm N/A
CLS-13.5-1H-10B40 N/A #13-1/2 Size 1-Hole Lab Stopper N/A 75 mm N/A 62 mm N/A 35 mm N/A 5 mm
CLS-13.5-S-10B40 N/A #13-1/2 Size Solid Lab Stopper N/A 75 mm N/A 62 mm N/A 35 mm N/A
CLS-14-1H-10B40 N/A #14 Size 1-Hole Lab Stopper N/A 90 mm N/A 75 mm N/A 39 mm N/A 5 mm
CLS-14-S-10B40 N/A #14 Size Solid Lab Stopper N/A 90 mm N/A 75 mm N/A 39 mm N/A
CLS-15-1H-10B40 N/A #15 Size 1-Hole Lab Stopper N/A 103 mm N/A 83 mm N/A 39 mm N/A 5 mm
CLS-15-S-10B40 N/A #15 Size Solid Lab Stopper N/A 103 mm N/A 83 mm N/A 39 mm N/A
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