5Pcs Countersink Drill Bit Set nwere 1/4 ″ Tri-flat Shank

Emere site na ọkwa nrụpụta High Speed Steel maka ịdịte aka na-abawanye.Emecha ọla oxide na-agbakwunye nguzogide corrosion.

Nkọwa ngwaahịa

Ụdị Bit: 6flute/4flute
Dayameta ihe ọkụkụ: 11/4IN
Akụkụ ntụpọ:82°
Mmecha elu: na-egbuke egbuke (enweghị mkpuchi)
Bit Material: igwe na-agba ọsọ dị elu
Atụmatụ:
Ejiri ihe eji arụ ọrụ M2 dị elu mee ya maka ndụ ogologo ndụ yana 1/4 ″ shank dabara na ike a na-ejikarị aka;
Ise ọjà imewe ebelata vibration maka smoother mkpọpu ala na tri-ewepụghị shank na-enye ohere mfe gripping;
Ntọala ise 1/4 ″ countersink drill bits nwere ntụzịaka 82-degree ziri ezi maka igwu osisi, ọla dị nro,
· Igwe aluminom siri ike nke ejiri aka gụnyere maka ibu na nchekwa.