It is used for drilling soil, rock layer, claypan and sandy gravel.
3. Sizes: All drill bits have different sizes, minimum diameter is 600mm, the maximum diameter is 2500mm, thickness from 16mm t
O 20mm.

Diameter (mm)	Bucket (mm)	Height (mm)	Bucket height (mm)	Flat teeth N.O.	Bullet teeth NO.
600	540	2000	1200	2	10
800	700	2000	1200	4	14
1000	900	2000	1200	6	18
1200	1100	2000	1200	7	20
1500	1400	2000	1200	9	28
1800	1700	2000	1000	11	32
2000	1900	1600	800	13	34
2200	2100	1600	800	15	36
2500	2400	1500	700	17	40
3000	2900	1500	700	21	46