Size 3"- 4"

TRICONE BITS Range 3in - 4in

TUNGSTEN CARBIDE INSERT BITS
SIZE	STANDARD PIN SIZE	IADC CODE RANGE AVAILABILITY
3 in	4THD N Rod	511-521	531-541	611-621	631	641	711-741
3 1/8in	4THD N Rod	511-521	531-541	611-621	631	641	711-741
3 1/4in	4THD N Rod	511-521	531-541	611-621	631	641	711-741
3 1/2in	2 3/8 API	511-521	531-541	611-621	631	641	711-741
3 5/8in	2 3/8 API	511-521	531-541	611-621	631	641	711-741
3 3/4in	2 3/8 API	511-521	531-541	611-621	631	641	711-741
3 7/8in	2 3/8 API	511-521	531-541	611-621	631	641	711-741

STEEL TOOTH BITS
SIZE	STANDARD PIN SIZE	IADC CODE RANGE AVAILABILITY
3 in	4THD N Rod	-	211-231	-	321
3 1/8in	4THD N Rod	-	211-231	-	321
3 1/4in	4THD N Rod	-	211-231	-	321
3 1/2in	2 3/8 API	111-131	211-231	311	321
3 5/8in	2 3/8 API	111-131	211-231	311	321
3 3/4in	2 3/8 API	111-131	211-231	311	321
3 7/8in	2 3/8 API	111-131	211-231	311	321