- Anchors[10]
- Bolts[1]
- Nuts[1]
- Other Fasteners[10]
- Washers[1]
- Other Fiberglass Products[4]
- Other Metals & Metal Products[7]
- Other Steel Products[1]
- Steel Sheets[5]
- Steel Strips[2]
- 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
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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
