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

high quality Slot & Wedge Bolt

high quality Slot & Wedge Bolt
Product Detailed
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 plate, washer and nut. After drilling a hole and inserting steel wedge into the cross slot, drive and rotate the threadbar to ensure the wedge contacts with the surface of hole end , then impact the external end of the bar by drilling machine, the steel wedge will expand the slot ,which produces a large anchoring force between rock and bolt .

FEATURE:

(1) Slot & Wedge device offers a good point anchorage.2) Used together with cement cartridge for permanent support.(3) Sharp Wedge can break the cement cartridge easily and speed up the installation.(4) Spherical washer provides up to 180 angle of tile. This'user friendly'rounded corner can greatly increase the bearing capacity of the plate at the bevel of rock.

PROPERTY:

ITEM NO.

DIAMETER

MASS

YIELD STRENGTH

>=400MPa

YIELD STRENGTH

>=500MPa

YIELD STRENGTH

>=600MPa

YIELD

TENSILE

ELONGATION

YIELD

TENSILE

ELONGATION

YIELD

TENSILE

ELONGATION

GSISWB16

16mm

1.70 kgs/m

>=80kn

>=108kn

>=16%

>=100kn

>=126kn

>=15%

>=120kn

>=150kn

>=12%

GSISWB18

18mm

2.12 kgs/m

>=101kn

>=137kn

>=16%

>=127kn

>=160kn

>=15%

>=152kn

>=190kn

>=12%

GSISWB20

20mm

2.61 kgs/m

>=125kn

>=170kn

>=16%

>=157kn

>=197kn

>=15%

>=188kn

>=235kn

>=12%

GSISWB22

22mm

3.06 kgs/m

>=152kn

>=205kn

>=16%

>=190kn

>=240kn

>=15%

>=228kn

>=285kn

>=12%

high quality Slot & Wedge Bolt



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