Cross bits,button bits,Rock Drilling,Rock Drill,Cutting tools,chisel bits,drill bits,anchor bits,Steel bits,Furnace taping bits  

D TYPE STEEL BITS	THREAD  CONNECTION
	Tip  Size D	D  Thread	Part No.
	Inch
	1-3/4	D30   1-1/50	SFS45D30
	1-7/8	D30   1-1/50	SFS48D30
	2	D30   1-1/50	SFS51D30
	2-1/4	D30   1-1/50	SFS57D30
	2-1/2	D30   1-1/50	SFS64D30
	2-3/4	D30   1-1/50	SFS70D30
	3	D30   1-1/50	SFS76D30

D Thread type full steel Cross bits