Yuav ua li cas siv lub hau ntswj

Teem lub ntsej muag tshwj xeeb ntawm cov ntsia hlau nrog lub dimple rau saum cov

Dab tsi yog cov ntaub ntawv ntawm screwdrivers

Screwdrivers don't have a round head, because a round head has no torque at all.

Basic functions ntawm ntswj ntsia hlau

Thaum kho lub xov tooj ntawm tes, yuav tsum muaj lub hau ntswj qhib qhov rooj (q

Keeb kwm ntawm screwdrivers

Lub Phillips ntsia hlau thiab Phillips ntsia hlau tau tsim los ntawm Henry Phill

Lub hauv paus ntsiab lus ntawm screwdriver technology

Lub hau ntswj siv kom zoo dua li cov levers ua haujlwm thaum siv los pleev xim l

Taw qhia rau screwdrivers

Lub hau ntswj yog ib qho cuab yeej siv los tig lub hau ntswj mus rau hauv qhov c

Kev kho cov ciaj ntswj nto

Dub, nrog ci ntsa iab, nyob rau hauv qhov kev txiav txim ntawm sab nraud ncaj qh

Kev siv thiab cov yam ntxwv ntawm kev qhib -vrench kawg

Screws yog lub ntsiab fasteners hauv cov cuab yeej siv tshuab. Qhib- kawg wrench

Hand Wrench Txheej txheem cej luam

Manual wrench tseem hu ua dog dig wrench. Nws yog tsuas yog siv nyob rau hauv ti

Kev faib tawm thiab kev siv ntawm cov ciaj ntswj

Yeej muaj ob hom wrenches, tuag wrenches thiab adjustable wrenches. Tus qub yog