Usati wamhanya mugomba rakadzika, iyo max. saizi yekuisa yeblade ichave yakakura mukati mediameter, mushure mekumhanya mugomba, blade inodzvanywa kudzvanya chitubu pasi, theradial force inopiwa nechirimo. Kana midziyo yakaoma ichida kuraswa, kukwenya kakati wandei kunofanirwa kuitwa kusati kwaraswa kusvika pakuiswa mukati medhayamita. Iyo scraper yakabatana pane yakaderera endof drill tambo, kufamba kwetambo yekubooresa kumusoro nekudzika kunoita axially kudyisa mu scrappingoperation.
Zvinoratidzwa muchimiro kuti spiral blade yega yega ine maviri emukati nekunze akakomberedzwa scrap-ping edges. Kana blade ichishandira kukwara kudzokororwa, mupendero wemukati uye wekunze mupendero uri kushanda zvakachinjana, uye kune rakafara kuchinjika bhendi repakati pakati pemipendero miviri inorasa inomira chiito chekucheka nekugaya kune yakachekwa pamusoro.
Iwo mabhandi mablades ari yunifomu akagoverwa pane scraper kuitira kuti dope rakadzoserwa rinogona kutora zvinhu zvakaraswa kure.
Kana uchiodha ndapota tsanangura:
Casing Scraper Model;
Connection, kana nonstandard;
Casing size uye uremu.