STEEL ROCK BITS - SHOULDER DRIVE
Thread Type
Bit Diameter
Catalog
Number
H
1-3/8"
138HS
H
1-1/2"
112HS
H
1-5/8"
158HS
H
1-3/4"
134HS
H
1-7/8"
178HS
H
2"
200HS
H
2-1/4"
214HS
H
2-1/2"
212HS
H
2-5/8"
258HS
E
15/16"
156ES
E
1"
100ES
E
1-1/8"
118ES
E
1-1/4"
114ES
D
2-1/4"
214DS
D
2-1/2"
212DS
D
2-3/4"
234DS
D
3"
300DS
D
3-1/4"
314DS
D
3-1/2"
312DS
D
4"
400DS