P20 / P28 Urukurikirane rw'ibikoresho byubaka

P20 yuruhererekane rwibikoresho bikoreshwa kuri 15.72-25.40mm (.619 '' - 1.000 ") diametre, uburebure buri munsi yikubye inshuro 5.

P28 yuruhererekane rwibikoresho bikoreshwa kuri mm 25.15-152.4 mm (.990 '' - 6 "), uburebure buri munsi yikubye inshuro 5.

Mandrels ya P20 / P28 ikoresha amabuye menshi hamwe kugirango hone umwobo wimbitse, ikoreshwa mubyobo binini.

Twandikire natwe kugirango tumenye amakuru arambuye