Garabkayagu waa kuwa tayada ugu sarreeya tani waxay la macno tahay goyn ka wanaagsan, boodh yar oo hawsha ku jirta, cidhifyada giraangiraha nadiifka ah iyo daab yar oo beddela mashiinnada wax lagu gooyo.
waxaan ku haynaa moodooyinka ugu badan ee ku jira bakhaarkeena, dhumucda ugu badan ee laga bilaabo 0,2 ilaa 0,65 mm.
Waxaan ku siinnaa bacaha birta aan fiicnayn, leh ama aan lahayn dahaar.
Dahaarkayadu waxay bixiyaan nolol dheer oo nadiif ah waxqabadka goynta saxda ah
Daabkeena carbide tungsten, oo aad waxtar u leh oo leh walxo xajin kara.
Qaar ka mid ah cabbirrada caanka ah:
40.020 – 43x22x0.2, 40.025 – 43x22x0.25, 40.030 – 43x22x0.3, 40.040 – 43x22x0.4
80.020 – 43x22x02, 80.025 – 43x22x0.25, 80.030 – 43x22x0.3, 80.040 – 43x22x0.4
42.020 – 43x22x02, 42.030 – 43x22x0.3, 82.030 – 43x22x0.3, 850.020 – 43x22x0.2
851.020 – 60x22x0.2, 856.023 – 60x22x0.2, 852.020 – 80x22x0.2, 853.020 – 100x22x0.2
801.030 - 38x22x0.3, 802.020 - 40x22x0.2