Tap Hole Drill Bit

Our main areas of operation include research, development and production of tophammer, DTH, self-drilling and taphole drilling tools.

Carbide 3-blade Type

Description	Diameter		Part No.
	mm	in
	45	1 3/4″	TC01-45
	48	1 7/8″	TC01-48
	51	2″	TC01-51
	54	2 1/8″	TC01-54
	57	2 1/4″	TC01-57
	64	2 1/2″	TC01-64
	76	3″	TC01-76
	89	3 1/2″	TC01-89
	102	4″	TC01-102

Carbide Cross Type

Description	Diameter		Part No.
	mm	in
	35	1 3/8″	TC11-35
	38	1 1/2″	TC11-38
	45	1 3/4″	TC11-45
	48	1 7/8″	TC11-48
	51	2″	TC11-51
	54	2 1/8″	TC11-54
	57	2 1/4″	TC11-57
	64	2 1/2″	TC11-64
	76	3″	TC11-76
	89	3 1/2″	TC11-89
	102	4″	TC11-102

Carbide Thread Button Type

Description	Diameter		Part No.
	mm	in
	45	1 3/4″	TC10-45
	48	1 7/8″	TC10-48
	51	2″	TC10-51
	54	2 1/8″	TC10-54
	57	2 1/4″	TC10-57
	64	2 1/2″	TC10-64
	76	3″	TC10-76
	89	3 1/2″	TC10-89
	102	4″	TC10-102

All-steel Cross Type

Description	Diameter		Part No.
	mm	in
	35	1 3/8″	S11-35
	38	1 1/2″	S11-38
	41	1 5/8″	S11-41
	45	1 3/4″	S11-45
	48	1 7/8″	S11-48
	51	2″	S11-51
	54	2 1/8″	S11-54
	57	2 1/4″	S11-57
	64	2 1/2″	S11-64
	76	3″	S11-76
	89	3 1/2″	S11-89
	102	4″	S11-102

We can provide this kind of products of different diameters. We also can make other kind of furnace taphole bits according to our clients’ requirements