حلقات O من مطاط بونا-إن نيتريل CS 0.103" × ID 0.611" | AS568-114 | داش 114 | صلابة 90 (1000 / عبوة)

The 90 durometer hardness on these o-rings makes them feel really sturdy, and the fit on the 0.611" ID is spot-on for my hydraulic cylinder rebuilds. I've sealed about a dozen joints now without a single weep. For the price and quantity, you just can't beat having a thousand of these on hand for an

The 90 durometer rubber feels noticeably firmer than the standard ones I've used, which gives me confidence these will hold up in higher pressure applications. The whole thousand-count bag is exactly what I needed for a bulk hydraulic fix.

These are exactly the right dimensions for a pressure switch rebuild I’ve been putting off, and the 90 durometer hardness gives a much firmer seal than the standard ones I was using. The whole box of a thousand will last me years of repairs.