Seam of the bolt (tube seam anchor) 
 Supply pipe bolt joints, pipe joints bolts, pipe joints anchor 
 Main technical performance 

 (1) the initial anchoring force: 3 to 7 tons; 

 (2) pull-off load control loop: 8 to 10 tons; 

 (3) Anchor Pipe tensile breaking capacity: 12 to 13 tons; 

 (4) A3 steel, corrosion resistance, higher than the 20 to 30% for long-term use. 

 2, Specification 

 (1) OD (mm): Φ30; Φ33; Φ40; Φ43 (± 0.5) four 

 (2) Length (mm): 1200,1500,1800,2000,2500 

 (You can also produce according to the needs of customers specifications); 

 (3) Material: Q235; 16Mn, 20 Mnsi; 
 Jining coal mining supplies Co., Ltd. mainly produces various types of: 
 1. Mine drilling rig equipment: 
 (1) T-23 drilling machine, YT-24 drilling machine, YT-25 drilling machine, YT-27 drilling machine, YT-28 drilling machines, YT29 rock drill, YN27 internal combustion rock drill, 7655 rock drill, jackhammer, progressive rock drill, hydraulic rock drilling machines. 
 (2) ZM12 dry coal drill, ZM12 wet coal drill, ZM15 dry coal drill, ZM15 wet coal drill 
 (3) G5 picks, G10 picks, G15 picks, G20 picks, G35 picks, G50 picks, G90 picks, B87 big picks, B47 picks, SK-10 Air-ho, hydraulic ho, ho, drill , picks and other picks and accessories production. 
 (4) MQT-85 Pneumatic Roof Bolter, MQT-110 Pneumatic Roof Bolter, MQT-120 Pneumatic Roof Bolter, MQT-130 Pneumatic Roof Bolter, MQT-90 Anchor Drilling, MQS-35 Hand-held bolt in rig, MQS-60 Hand-held drill bolt in, MQTB anchor leg pneumatic drill, bolt installation machine 
 2. Mine drilling drilling accessories: 
 (1) B19 drill, B22 drill pipe, drill pipe, bolt, coal drill pipe, six-rowed type drill pipe, drill imitation of the British, twist drill rod, drill pipe from the feed-type, self-drilling drill pipe, air drill etc. 
 (2) diamond drill bit, carbide drill bits, word drill, cross bits, drill bits ball, PDC drill bits, core bits, air drill, screw drill, drill bits, drill bit connected sets, and Drill 
 (3) bolt tray, air leg, hand cut off cable, manual cable tensioning equipment, tensioning jack, anchor stirrer, anchor stirrer, anchor tension meter, cable anchorage, mining anchor with, water control, lubricator, injection valve. 
 (4) Wind shovel Series: B22 air drill, C2 wind scoop, C5 wind scoop, C6 wind scoop, C7 style shovel. 
 Tamping Machine Series: D4 pneumatic tamping machine, D6 pneumatic tamping machine, D9 pneumatic tamping machine, D10 pneumatic stamping machine, manual tamping machine. 
 User Name: zhongmei05 
 Contact: Zheng Ran 
 Mobile: 15269750952 
 Tel :0537 -2,383,736 
 Fax :0537 -2,359,798 
 QQ: 1179553967 
 E-mail: zhongmei05@163.com 
 Customer service _ Complaint Tel: 15192430161 0537-2658519 
 Address: Torch Development Zone, Jining, Shandong Road, 69 
 Website: http://www.zhongmeigk.com/