50mm ʻoki ʻoki hohonu ʻo TCT hollow core drill bit me ka weldon shank

ʻO ka 50 mm hohonu o ka ʻoki TCT (tungsten carbide drill) hollow drill bit me ka ʻaoʻao-mount shank he mau hiʻohiʻona e kūpono ai i nā noi wili. Aia kekahi mau hiʻohiʻona nui:

1. ʻO ka ʻuala kalapona ʻo Tungsten carbide drill bit (TCT)

2. Hollow design

3. 50mm hohonu oki

4. ʻO ka ʻaoʻao paʻa paʻa

5. He kūpono no ka hoʻomaʻamaʻa magnetic