F16: suitable for hard formations, very hard formations. Granite, erythema granite, quartz granite and other hard whole rock. With the advantage of fast penetration.
F10: the common crown shape. Suitable for broken rock, soft rock formation, limestone, sand egg layer, gravel and other hard rock in the whole rock. With the advantages of fast penetration ,long service life and wearing resistant ,etc.
Besides NQ Impregnated Diamond Core Drill Bit, other NQ products are also available.
Package and Shipping:
Package:
wooden cases, cardboard boxes and steel frames etc. as you required. And all goods will be protected by plastic films, thread protection caps, anti-rust oils, bubble films and so on to make sure no damage will be caused during shipping.
Shipping:
Special passage for container loading is available at the gate of our company to improve the efficiency.