Menene saurin sakin jiki?

	Wasu screwdrivers marasa igiya suna sanye da maɓalli marar maɓalli (wanda ake kira chuck mai saurin canzawa).
	Kamar mariƙin maganadisu, chuck mara maɓalli yana da maganadisu a gindin da ke haɗawa da shank na screwdriver bit. Ƙari ga haka, yana da ƙwallan ƙarfe guda 2 a ciki waɗanda ke riƙe shi amintacce.
Wadanne rago za ta iya karba?
	Maɓalli marasa maɓalli koyaushe suna da ramin hex, wanda ke nufin kawai za su iya aiki tare da hex shank bits. Domin screwdriver ko rawar soja su zauna lafiya a cikin chuck, dole ne ya zama girman da ya dace. Kara karantawa game da wannan a cikin sashinmu: Menene girman harsashi?
	An ƙirƙiri siffa ta musamman da ake kira "power bits" don amfani a cikin chucks marasa maɓalli. Ƙarfin wutar lantarki yana da tsagi a cikin jiki (wanda ake kira Power groove) wanda ke hulɗa tare da ƙwallan ƙarfe a cikin maɓalli marar maɓalli kuma yana taimakawa riƙe bit a wurin har ma da aminci.
Yadda ake sakawa ko cire bugun
	Akwai ƙira daban-daban na chucks marasa maɓalli. Yadda kuke sakawa da cire ragowa ya dogara da ƙira da ƙirar kayan aikin ku.
	Saka Bit Yawancin chucks marasa maɓalli suna ba da damar saka ragowa ta hanyar saka su cikin chuck ɗin kamar mariƙin maganadisu.
	An gama cirewa Kowane chuck maras maɓalli yana da ɗorawa na ruwa na waje wanda ke sarrafa matsayin ƙwallo a ciki. Don cire bit ɗin daga chuck, kuna tura baya ko ja gaba akan hannun waje na waje, wanda zai ja ragamar ƙwallon a ciki, yana ba ku damar cire bit ɗin. Ko kuna turawa ko ja a kan hannun waje ya dogara da ƙira da ƙirar kayan aikin ku.
ab advantagesbuwan amfãni
	Idan aka kwatanta da mariƙin maganadisu, maɓalli marar maɓalli yana riƙe da ragowa cikin aminci saboda yana amfani da ƙwallan ƙarfe don riƙe raƙuman ruwa a wurin, da kuma maganadisu.
Hasara ta babu ajiya bonus
	Duk da sunansa, yana ɗaukar ɗan lokaci kaɗan don canzawa tsakanin rago yayin amfani da chuck mara maɓalli fiye da lokacin amfani da mariƙin maganadisu.