GB Standard Tap Hole Drill Rod Top Hammer Drilling for Big Steel Mill

GB Standard Tap Hole Drill Rod Top Hammer Drilling for Big Steel Mill

Model Number: taphole Hex 19, 22, 28, 32  

Standards: GB

Description of taphole drilling tools:   

Furnace tapping is to drill a hole through the refractory lining of a furnace in in order to extract the metal and slag. ROSCHEN is offering tap hole drilling tools for blast furnace, including tap hole drill rods and tap hole drill bits, according to customers' request, various tap hole drill rods and tap hole drill bits are available. For more information, please refer to our catalogue.
 

Key Specifications/Special Features:  

Taphole drill rods are widely used in big steel mill for delivering liquid steel special from blast furnace. Blast furnace taphole drill equipment is provided having drill rod, and an elongated feed shell that supports a percussion drill, as well as a centralizing drill rod support disposed between the percussion drill and a stationary forward end drill rod support. Besides we also provide customized drilling tools according to clients’ different requests.  
 

A blast furnace tap hole drill is provided having an elongated feed shell 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.
 

Specifications:  

 
1. Material Grade: DIN CK45, JIS S45C, SAE1045, AISI1045; DINCK 20, JIS S20C, SAE 1020, AISI 1020; ASTM A106B, ASTM A53B, ST45, and ST42.

2. Size: Hex 19mm, Hex 22mm, Hex 28mm, Hex 32mm; Dia.32mm, Dia.38mm, Dia.45mm, Dia.51mm

3. Wall thickness: 11mm-14mm (0.43 – 0.55)
4. Length: 1.0m – 6.0m.
 

RODS:

Threaded Drill Rod - Single-Lug & Double-Lug   

Welding Drill Rod - Single-Lug & Double-Lug   

Extension Drill Rod   

Semi-finished Materials   

We also have a wide range of coupling sleeves, moils and chisels 



H22 (7/8”) Integral drill steels: 
 

Integral drill steels	Series	D
		L	ft	in	D	in
		mm			mm
H22 * 108 mm (4 1/4”)	11	800	2	7	34	1 11/32
		1600	5	3	33	1 19/64
		2400	7	10	32	1 1/4
		3200	10	6	31	1 7/32
		4000	13	1	30	1 3/16
		4800	5	–	29	1 9/64
	12	800	2	7	40	1 37/64
		1600	5	3	39	1 17/32
		2400	7	10	38	1 1/2
		3200	10	6	37	1 29/64
		4000	13	1	36	1 27/64
		4800	5	–	35	1 3/8
	13	400	1	4	34	1 11/32
		800	2	7	33	1 19/64
		1200	3	11	32	1 1/4
		1600	5	3	31	1 7/32
		2000	6	7	30	1 3/16
	16	600	2	–	35	1 3/8
		1200	3	11	34	1 11/32
		1800	5	7	33	1 5/16
		2400	7	10	32	1 1/4
	17	600	2	–	41	1 5/8
		1200	3	11	40	1 37/64
		1800	5	7	39	1 17/32
		2400	7	10	38	1 1/2

 Plug hole drill rod:
 

Plug hole drill rod	D
	L	ft	in	D	in
	mm			mm
Hex shank 22 * 108 mm (4 1/4”)	230	–	9 1/8	22	7/8
	250	–	9 7/8	22	7/8
	300	–	11 7/8	22	7/8
	350	1	1 3/4	22	7/8
	400	1	3 3/4	22	7/8
	500	1	7 3/4	22	7/8
Hex shank 22 * 108 mm (4 1/4”)	230	–	9 1/8	22	7/8
	250	–	9 7/8	22	7/8
	300	–	11 7/8	22	7/8
	350	1	1 3/4	22	7/8
	400	1	3 3/4	22	7/8
	500	1	7 3/4	22	7/8

For more information please contact:

ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
 

Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
 

WeChat: +86-137 6419 5009 ; +86-135 8585 5390
 

WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
 

Email: roschen@roschen.com ; roschen@roschen.net
 

Website: http://www.roschen.net ; http://www.roschen.cn

http://www.roschen.com ; http://www.roschengroup.com