Ordering your measuring tools from Niagara Rubber Supply is easy; simply complete our online form or just call a friendly sales representative!

 

The step-style cone from Global Rubber Products is able to measure 184 of the most widely used ring sizes in five standard cross sections, ¼” through 5 5/8” I.D. (inside diameter). By slipping the O-Ring in to the proper slot at the bottom of the cone, you can determine the cross section. You can then determine the standard imperial size by sliding the O-Ring on to the proper step.

The 9ESPCONE O-Ring Measuring Cone measures the following sizes:
001 through 050
102 through 165
201 through 279
309 through 382
435 through 455

 

The O-Ring sizer from Global Rubber Products works similarly to a v-belt measuring tool. This equipment makes it easy to find the correct thickness. And, to determine the O-Ring’s size, simply place it around the appropriate semi-circle knobs and expand the unit. The correct ring size will then be displayed in the related window. by placing the O-Ring around the correct semi-circle knobs.

9MGAUGE O-Ring Sizer measures O-Rings sized:
011 through 050
110 through 151
220 through 255
325 through 358
425 through 455

 

We offer two sizes of tape rules, each with a side to measure metric and imperial O-Rings.

Tape #1: is 25.5 inches (648mm) long and measures inside diameters (I.D.) of 2.5 inches (65mm) through 8 inches (205). Tape #1 measures imperial O-Ring sizes ranging from:
037 through 050
144 through 171
230 through 266
333 through 369
425 through 445

Tape #2: is 51 inches (1296mm) long and measures inside diameters (I.D.) of 2.5 inches (65mm) through 16 inches (410mm). Tape #2 measures imperial O-Ring sizes ranging from:
037 through 050
144 through 178
230 through 282
333 through 385
425 through 461