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Hollow Bar T30/11

Hollow Bar T30/11

Packaging Details : Cartons/Bundles
Delivery Time : 3 Weeks After Receiving Prepayment
Port : Any Chinese Port
Payment Terms : L/C, T/T, Paypal
Diameter : Various
Production Capacity : 40, 000meters/Month
Mining Object : Coal Machinery
Min. order : 1000 Meter
Main Markets : North America, South America, Southeast Asia, Eastern Asia, Western Europe
HS Code : 8431432009
Type : Coal Mine Support Equipment
Place of Origin : china
Category : Zinc
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Self-drilling hollow rock bolt
1, Material: Seamless steel pipe 40Cr or EN10083-1
2, Common groutable
3, Right and left thread
4, T30/11
5, Yellow zinc plate/white zinc plate/clean
Self-drilling anchor bolt consists of anchor rod, steel drill bit with alloy head, anchor coupling(optional), arch plate, grouting stopper and hex nut. It integrates functions drilling, grouting and anchoring as whole and is suitable for difficult grounds (clay, sand, friable, etc).
Application
1, rock stabilization in tunneling, railway, highway road
2, roof support in ground engineering
3, suitable for difficult ground conditions
T30/11
Technical parameter T30/11
Outside diameter...30mm
Internal diameter average...11mm
Ultimate load capacity...320KN
Yield load capacity...260KN
Average tensile strength...740N/mm2
Average yield strength...560N/mm2
Type of steel EN10083-1 Thread type ISO 1720
Standard length 1m, , 2m, 3m, 4m, 5m, 6mWe can also supply rockbolts according to customer's requirements.&

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