These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Available in solid, one-hole, and two-hole versions. Each stopper has its size marked in raised figures. Sold as one-pound bags.
Item # |
Item No. One-Hole |
Item No. Two-Hole |
Stopper Size |
Approx. No. per Lb. |
Top Dia. |
Bottom Dia. |
Hole size |
RST000-S |
RST000-H |
NA |
000 |
170 |
13mm |
8mm |
3mm |
RST00-S |
RST00-H |
RST00-H2 |
00 |
90 |
15mm |
10mm |
3mm |
RST0-S |
RST0-H |
RST0-H2 |
0 |
63 |
17mm |
13mm |
3mm |
RST1-S |
RST1-H |
RST1-H2 |
1 |
52 |
19mm |
14mm |
4mm |
RST2-S |
RST2-H |
RST2-H2 |
2 |
45 |
20mm |
16mm |
5mm |
RST3-S |
RST3-H |
RST3-H2 |
3 |
33 |
24mm |
18mm |
5mm |
RST4-S |
RST4-H |
RST4-H2 |
4 |
28 |
26mm |
20mm |
5mm |
RST5-S |
RST5-H |
RST5-H2 |
5 |
24 |
27mm |
23mm |
5mm |
RST5A-S |
RST5A-H |
RST5A-H2 |
5½ |
21 |
28mm |
24mm |
5mm |
RST6-S |
RST6-H |
RST6-H2 |
6 |
18 |
32mm |
26mm |
5mm |
RST6A-S |
RST6A-H |
RST6A-H2 |
6½ |
16 |
34mm |
27mm |
5mm |
RST7-S |
RST7-H |
RST7-H2 |
7 |
13 |
37mm |
30mm |
5mm |
RST7A-S |
RST7A-H |
RST7A-H2 |
7½ |
13 |
39mm |
31mm |
5mm |
RST8-S |
RST8-H |
RST8-H2 |
8 |
10 |
41mm |
33mm |
5mm |
RST8A-S |
RST8A-H |
RST8A-H2 |
8½ |
10 |
43mm |
36mm |
5mm |
RST9-S |
RST9-H |
RST9-H2 |
9 |
9 |
45mm |
37mm |
5mm |
RST9A-S |
RST9A-H |
RST9A-H2 |
9½ |
9 |
46mm |
38mm |
5mm |
RST10-S |
RST10-H |
RST10-H2 |
10 |
7 |
50mm |
42mm |
5mm |
RST10A-S |
RST10A-H |
RST10A-H2 |
10½ |
7 |
53mm |
45mm |
5mm |
RST11-S |
RST11-H |
RST11-H2 |
11 |
6 |
56mm |
48mm |
5mm |
RST11A-S |
RST11A-H |
RST11A-H2 |
11½ |
6 |
63mm |
50mm |
5mm |
RST12-S |
RST12-H |
RST12-H2 |
12 |
5 |
64mm |
54mm |
5mm |
RST13-S |
RST13-H |
RST13-H2 |
13 |
4 |
68mm |
58mm |
5mm |
RST14-S |
RST14-H |
RST14-H2 |
14 |
1 |
90mm |
75mm |
5mm |
RST15-S |
RST15-H |
RST15-H2 |
15 |
1 |
103mm |
83mm |
5mm |
RST16-S |
RST16-H |
RST16-H2 |
16 |
1 |
127mm |
90mm |
5mm |
