O1 OIL HARDENING
The most widely used grade of drill rod. It is a general purpose tool steel, outstanding for its reliability in hardening, good wear resistance, and excellent toughness.
W1 WATER HARDENING
Water hardening grade is intended to meet the needs of the machine shop for average work where better grades of tool steel drill rod are not required.
A2 AIR HARDENING
A2 is recommended rather than O1 when increased wear resistance, safer hardening, and less distortion are required.
S7 AIR HARDENING SUPER SHOCK
A new outstanding air-hardening drill rod - the toughest, strongest drill rod for so many jobs that require maximum strength and impact.
D2 HIGH CARBON - HIGH CHROME
An air-hardening type steel known for its rnaximum wear resistance qualities. It is ideal for use in tools, dies, etc., used in long production runs.
M2 MOLY-TUNGSTEN-HIGH SPEED
The most widely used type of high-speed steel and, in general, can be used for the same applications as T-1 high speed. Its higher carbon content and balanced analysis produce properties applicable to all general-purpose high-speed uses.