Shandong Tongrui Mining Technology Co., Ltd.
Main products:Rock Bolt,Friction Bolt,Cable Bolt,Thread Bar Bolt,Mining Plate
Products
Contact Us
  • Contact Person : Mr. wang yunlai
  • Company Name : Shandong Tongrui Mining Technology Co., Ltd.
  • Tel : 86-538-6366599
  • Fax : 86-538-6366597
  • Address : Shandong,taian,No.7 in North Road of Manzhuang Steel Market
  • Country/Region : China
  • Zip : 271000

Products List
Semi Spherical Washer

Semi Spherical Washer

Spherical washer Spherical washer is compatible with domed plate in the rock bolt system . Spherical washerSpherical washer is compatible with domed plate in the rock bolt system ,it can provides up to 180 angle of tilt, has ‘user friendly’ rounded corners ,that can...
Hex Damping Nut

Hex Damping Nut

Damping Nut : Material : High strength steel and high polymer Size : M18 M20 M22  Damping Nut :     Damping nut is made of high strength steel and high polymer, inside of nut ,high polymer being a stopper make sure the whole nut bear a limited torque and...
HDG Rock Bolt

HDG Rock Bolt

HDG Rock Bolt 1.Material: steel 2.Fuction : used as rock bolt for support 3.Diameter : 33mm 39mm 42mm 47mm  HDG Rock BoltSplit Sets Rock Bolt is used together with dome plate and net for reliable ground support in mines, tunnels, slopes, or wherever...
Rock Bolt For Roof Support

Rock Bolt For Roof Support

Rock bolt 1.Material: steel 2.Fuction : used as rock bolt 3.Diameter : 33mm 39mm 42m  Split Sets Rock Bolt :(Friction Stabilizer) Split Sets Rock Bolt is used together with dome plate and net for reliable ground support in mines, tunnels, slopes, or wherever...
Split Set Bolt

Split Set Bolt

Split Set Bolt 1.Material: steel 2.Fuction : split sets bolt for support 3.Diameter : 33mm 39mm 42mm Split Set Bolt :(Friction Stabilizer) Tightlok Split Sets bolt is especially designed by GSI used together with dome plate for reliable ground support in...
Mining W steel mat

Mining W steel mat

Mining W steel mat As handling instability to surround rock effect more     W-straps are used to support fracured ground between rock bolt by providing a continuous steel plate between the bolts .W-straps may be bolted to the rock by two or more rock anchors and...
Anchor Bolt For Tunnel Supporting

Anchor Bolt For Tunnel Supporting

Rock bolt 1.Material: steel 2.Fuction : used as rock bolt 3.Diameter : 33mm 39mm 42m Rock boltRock bolt  is used together with dome plate and net for reliable ground support in mines, tunnels, slopes, or wherever . 1.FEATURES :(1)Split Sets Bolt is made from...
Roof Bolt for Mining Support

Roof Bolt for Mining Support

Roof Bolt for Mining Support 1.Material: steel 2.Fuction : used as rock bolt 3.Diameter : 33mm 39mm 42m :Roof Bolt for Mining Supportis used together with dome plate and net for reliable ground support in mines, tunnels, slopes, or wherever . 1.FEATURES :(1)Split...
high quality Slot & Wedge Bolt

high quality Slot & Wedge Bolt

has a "slot and wedge"system for point anchorage,usually used with cement cartridge in large stress strata for permanent support HOW TO WORK:At one end ,Tightlok Slot & Wedge Bolt is forged a cross slot and inserted into a steel wedge,the other end is compatible with...
Point anchoring rock bolt

Point anchoring rock bolt

Point anchoring rock bolt Diameter :16 18 20 22 25mm Contain: all thread bar bolt, non-rib or rib thread bolt,slot and wedge Point anchoring rock bolt Point anchoring rock boltis composed of screw thread steel bar , high strength plate ,casting damping nut ,yield tube,...


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