H nock (.234 shaft) vs X and A nock (.204 shaft): specs compared
Updated 05 September 2026.
5
specs differ
H nock (.234 shaft) and X and A nock (.204 shaft) differ on 5 specs: nock class, shaft inside diameter, fits, common names, fitment rule.
| Spec | H nock (.234 shaft) | X and A nock (.204 shaft) |
|---|---|---|
| Nock class | H / H.E. nock | X / A nock |
| Shaft inside diameter | .234 in | .204 in |
| Fits | Shafts with a.234-inch inside diameter | 5mm shafts: Easton 5mm Axis, Easton 5mm FMJ, many 5mm hunting shafts |
| Common names | Easton H and H.E. class nocks | Easton X, 5mm Microlite, Accu-Tough, Bohning A, AAE IP5 |
| Fitment rule | An H or H.E. class nock seats in a.234-inch inside-diameter shaft, between the 5mm X-nock bore and the standard S-nock bore. | An X or A class nock seats in a.204-inch inside-diameter 5mm shaft. It will not hold in a.166 micro shaft and is loose in a.245 standard shaft. |
Questions and answers
How do H nock (.234 shaft) and X and A nock (.204 shaft) compare?
H nock (.234 shaft) and X and A nock (.204 shaft) differ on 5 specs: nock class, shaft inside diameter, fits, common names, fitment rule.