factory supply mining threaded anchor rock bolt

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Bolt support is a reinforcement method used in underground cavern construction, such as slope, rock and soil deep foundation pit, tunnel, stope and other underground caverns. With metal, wood and other materials or polymer rod into the rock around the room or underground rock surface pre drilled hole, special structure and tail plate using the head and the rod body (or not), or rely on the cohesive Role of surrounding rock and rock mass stability together and produce the effect of suspension, composite beam effect, reinforcing effect, in order to achieve the purpose of supporting.

Diameter	Length	Plate size	Tensile strenth	Ultimate load	Working Load
(mm)	(mm)	(mm)	(MPa)	(KN)	(KN)
16	1000~1800	120×120×6	≥500	80	≥49
18	1200~2000	120×120×10	≥500	100	≥58.8
20	1400~2000	150×150×8	≥500	120	≥78.6
22	1600~2100	150×150×10	≥500	140	≥80
24	1800~2200	150×150×10	≥500	160	≥88.2

Our Company

Shandong Jute Steel Pipe company established in 2001,now,We are equipped with advanced production equipment,such as hot rolling production line,punching lines,fine rolling production lines and cold drawing production lines.Our company specializes in the production of various seamless steel pipes. Our products include common seamless steel pipes,fine pull pipes,fine rolled pipes,alloy steel pipes,special pipes,sheet steel,Steel pipe deep processing,etc. Our company invites a group of excellent technical experts and management personnel in domestic steel pipe industry to improve the technical levels of our products.