Kelleg International Trade (Shanghai) Co., Ltd.
                                                                                                           
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9 Years
Since 2017
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Hollow Anchor Bar Soil Nail Self Drilling System SDA Rod 25-200mm for Tunnel Engineering

Price Negotiable
Price: $18.00/pieces 100-499 pieces
MOQ: 100 pieces
Delivery Time: Negotiable
Brand: Kelleg
Product Description
Product Overview
Self Drilling Anchor Bolts provide an efficient bolting solution for challenging ground conditions including sand, gravel, silt, clay, and soft to medium fractured rock formations. This system combines drilling and anchoring in a single operation for enhanced productivity.
Hollow anchor bar soil nail system for tunnel construction
System Components
Hollow anchor bolt for simultaneous drilling and grouting
Anchor nut and plate for secure fastening
Anchor coupler for extended length applications
Drill bit optimized for various ground conditions
Centralizer for proper grout distribution
Self drilling anchor system components and assembly
Technical Specifications
R-Thread Hollow Anchor Bar
Size Outer Dia. (mm) Ultimate Load (kN) Yield Load (kN) Weight (kg/m)
SER25N 25 200 150 2.35
SSR32L 32 210 160 2.83
SSR38N 38 500 400 5.50
SER51N 51 800 630 8.20
T-Thread Hollow Anchor Bar
Size Outer Dia. (mm) Ultimate Load (kN) Yield Load (kN) Weight (kg/m)
SST30L 30 220 180 2.9
SET40S 40 660 525 6.8
SST52N 52 929 730 10.2
SET73L 73 1160 970 13.2
SET76S 76 1900 1500 19.7
SET103N 103 2270 1800 23.5
SET111N 111 3650 2750 34.5
SET127L 127 2400 1810 30.5
SET130S 130 7940 5250 78
SET150S 150 8400 5600 108
SET200S 200 14230 9500 183
Hollow anchor bar technical specifications and load capacities
Manufacturer Profile
Kelleg is a market-oriented enterprise specializing in geotechnical anchoring solutions. We integrate R&D, design, procurement, sales, and customer service to provide comprehensive system solutions, product supply, and technical support for tunnel and underground engineering projects.
Service Support
Pre-sale technical consultation and product selection guidance
Professional order management and procurement support
On-site technical assistance and installation guidance
Comprehensive after-sales service and support
Kelleg geotechnical anchoring solutions and technical support
Frequently Asked Questions
Is there a minimum order quantity?
We generally have no minimum order quantity.
Do you have the inspection procedures?
100% strict inspection and testing for every order before packing.
How long is your delivery time?
1-3 days for products in stock; regular order delivery in 2-3 weeks.
After Services:
Sales team responds within 24 hours (holidays excluded)
Technical support available at any time
Free replacement provided for confirmed quality-related failures

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Kelleg International Trade (Shanghai) Co., Ltd.

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