4PCS Four-edge thread Tungsten carbide drill Ceramic tile glass concrete hole drill bit

Selamat datang ke Lazy corner homeKami adalah kedai yang mengkhususkan diri dalam barang isi rumah Gudang ini terletak di MalaysiaSemua produk di kedai kami berada dalam stok dan dijamin menjadi tulen Secara umumnya, barangan akan dihantar dalam masa 24 jam selepas anda berjaya membayar.Sekiranya anda mempunyai sebarang pertanyaan mengenai produk, sila hubungi saya dan saya dan akan membalas mesej anda secepat mungkin Advantage:⭕ High hardness alloy serrated four bladed drill⭕ Drilling is easy to locate and can drill marble/metal/concrete/wood⭕ The sawtooth is wear-resistant and sharp, made of high-quality alloy steel, which can extend the service life⭕ Drill bit serrated design, accurate positioning and quick drilling of holes on ceramic tiles⏩ Usage: Use the drill bit at low speed. First, lightly press and position the drilling position, then slowly accelerate the drilling speed of the electric drill to start drilling. When drilling to 1/2 of the object, lift the electric drill and continue to drill deeper, which is beneficial for heat dissipation and chip removal, and enhances the durability of the cutting head. The service life can be greatly improved