MAXDRILL ROCK TOOLS CO.,LTD

Tap hole Drill Bit

It was widely used in big steel mill for delivering liquid steel specially from blast furnace. A blast furnace tap hole drill is provided having an elongated feedshell which supports a percussion drill, drill rod assembly, and a centralizing drill rod support disposed between the percussion drill and a stationary forward end drill rod support.

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Carbide 3-blade Type

Description	Diameter		Part No.
Description	mm	in	Part No.
	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.
Description	mm	in	Part No.
	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.
Description	mm	in	Part No.
	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.
Description	mm	in	Part No.
	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

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Tap hole Drill Bit

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