Threaded Rock Bits

Multi Use Threaded Carbide Rock Bits

Bit Dia. IN	Bit Dia. MM	Part Code	Weight	Carbide Height	Carbide Width
1-3/8″	35	HTI-137H	0.50	14	8
1-1/2″	38	HTI-150H	0.60	14	8
1-5/8″	41	HTI-162H	0.65	14	8
1-3/4″	45	HTI-175H	0.80	14	8
1-7/8″	48	HTI-187H	0.90	14	8
2″	51	HTI-200H	1.10	14	8
2-1/4″	57	HTI-225H	1.20	14	8
2-1/2″	64	HTI-250H	1.30	14	9.5
2-3/4″	70	HTI-275H	1.55	20	12
3″	76	HTI-300H	2.00	23	12

Multi Use 7/8″ Tapered 11 Degree Rock Bits

Bit Diameter	Part Code
1-1/8″	HTI-112-11M
1-1/4″	HTI-125-11M
1-3/8″	HTI-137-11M

All Steel Threaded Rock Bits

E-Thread

Bit Dia. IN	Bit Dia. MM	Part Code	Weight
15/16″	24	SRB0937E	.12
1″	25	SRB100E	.12
1-1/8″	29	SRB112E	.14
1-1/4″	32	SRB125E	.16

H-Thread

Bit Dia. IN	Bit Dia. MM	Part Code	Weight
1-3/8″	35	SRB137H	.44
1-1/2″	38	SRB150H	.46
1-5/8″	41	SRB162H	.56
1-3/4″	45	SRB175H	.60
1-7/8″	48	SRB187H	.82
2″	51	SRB200H	.88
2-1/4″	57	SRB225H	1.16
2-1/2″	64	SRB250H	1.30
2-5/8″	67	SRB262H	1.34

D-Thread

Bit Dia. IN	Bit Dia. MM	Part Code	Weight
3-1/2″	89	SRB350D	2.90
4″	102	SRB400D	3.30