Introduction

Foundation pilling bits mostly used in rotary drilling rig for soft rock or hard rock (better below 90Mpa) foundation creation by availing of the tungsten carbide tips cutting ability.

Main application:

Suitable for soft rocks and some hard rocks, but the rocks hardness below 90Mpa, otherwise needs other types of tools such as roller bits or other drilling method such as hammer.

Features

Round shank tungsten carbide cutting teeth and teeth holders

Main models includes: 30mm shank cutting teeth B47K22H, B47K17.5H, B47K19.5H and its equivalent teeth holders include B43H, H85 serials, 25mm shank cutting teeth C31 and C31HD, the equivalent teeth holders mostly used is C30.

Material: tungsten carbide tips plus alloy steel

Parameters

B47K22H      30mm shank cutting teeth                 1.20kg/pcs, 20pcs in one plastic package

B47K19.5H   30mm shank cutting teeth                 1.20kg/pcs, 20pcs in one plastic package

B47K17.5H   30mm shank cutting teeth                 1.20kg/pcs, 20pcs in one plastic package

B43H           30mm shank cutting teeth holder         1.80kg/pcs, 15pcs in one plastic package

H85/2          30mm shank cutting teeth(round) holder  2.40kg/pcs, 10pcs in one plastic package

C31             25mm shank cutting teeth                     0.50kg/pcs, 40pcs in one plastic package

C31HD        25mm shank cutting teeth                      0.55kg/pcs, 40pcs in one plastic package

C30            25mm shank cutting teeth holder             1.15kg/pcs, 20pcs in one plastic package