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

Thread Bar Bolt of high reputation

Thread Bar Bolt of high reputation
Product Detailed
composed of hot rolled ribbed bar, high strength plate , damping nut ,yield tube, washer , and other accessories

Thread Bar Bolt:

Tightlok Threadbar Bolt is composed of hot rolled ribbed bar, high strength plate , damping nut ,yield tube, washer , and other accessories.Usually used in thick coal seams with very high stress and largeDeformation.

FEATURES:

(1) High tensile strength and good support capacity which can prevent the roof from sinking and sliding.(2) Fast and easy installation by mechanized tools. (3) Used together with resin cartridge for permanent support.(4) Sharp End device makes installation easier and faster.(5) Left hand thread direction available.(6) Specially "Sandwich"device can buffer and release the pressure.  

PROPERTY:

ITEM NO.

DIAMETER

MASS

YIELD STRENGTH

>=400MPa

YIELD STRENGTH

>=500MPa

YIELD STRENGTH

≥600MPa

YIELD

TENSILE

ELONGATION

YIELD

TENSILE

ELONGATION

YIELD

TENSILE

ELONGATION

GSITB16

16mm

1.70 kgs/m

>=80kn

>=108kn

>=16%

>=100kn

>=126kn

>=15%

>=120kn

>=150kn

>=12%

GSITB18

18mm

2.12 kgs/m

>=101kn

>=137kn

>=16%

>=127kn

>=160kn

>=15%

>=152kn

>=190kn

>=12%

GSITB20

20mm

2.61 kgs/m

>=125kn

>=170kn

>=16%

>=157kn

>=197kn

>=15%

>=188kn

>=235kn

>=12%

GSITB22

22mm

3.06 kgs/m

>=152kn

>=205kn

>=16%

>=190kn

>=240kn

>=15%

>=228kn

>=285kn

>=12%

Thread Bar Bolt of high reputation



Copyright Notice @ 2008-2012 ECVERY Limited and/or its subsidiaries and licensors. All rights reserved.