Hole Diameter	HEX CONNECTION		WEIGHT		QUANTITY OF BITS PER HEAD
	IN	MM	LB	KG
4-1/2”(114mm) Hole size flight auger	1-1/8	29	9	4.0	6
4-1/2”(114mm) Hole size flight auger	1-5/8	41	10	4.5	6
6”(152mm) Hole size flight auger	1-1/8	29	13.5	6.1	8
6”(152mm) Hole size flight auger	1-5/8	41	16	7.3	8
6”(152mm) Hole size flight auger	2	51	20	9.1	8

NOTE: Bits are furnished with lock rings installed. Drill head O.D. is approximately 10% lager than corresponding auger flight O.D. Size are identified by the hole size, not actual flight diameter.

1. A tough, multi-purpose auger head for full range drilling.
2. Uses replaceable cone-shaped carbide insert bits depending upon the formation requirements.
3. Bits are designed to revolve during the cutting action for a more uniform wear pattern and longer service life.
4. Recommended for abrasive conditions and difficult hard formations.