Expansion Shell Rock Bolt

Fuhua Expansion Shell Rock Bolts provide reliable anchoring in hard rock conditions with 12.9-14.9KN tensile strength and 17-50mm head sizes. Featuring galvanized carbon steel construction, ISO 9001 certification, and self-drilling capabilities for mining, tunneling, and construction projects. Available in M8-M30 sizes with negotiable MOQ and competitive pricing.

High-performance carbon steel expansion shell rock bolts with metric thread design (1.25-2.5mm pitch) and 11.2-13.2KN yield strength. Available in 50mm to 1000mm lengths, ISO 9001 certified, ideal for tunnel construction, mining, and hard rock drilling applications with custom galvanized options available.

ISO 9001 certified galvanized steel expansion shell rock bolts with metric thread and hex head design. Available in sizes M8-M30 and lengths 15-50mm, featuring 11.2-13.2KN yield strength for superior anchoring in hard rock applications. Ideal for civil engineering, mining, and construction projects requiring reliable structural reinforcement.

High-strength carbon steel expansion shell rock bolts with 12.9-14.9KN tensile strength and ≥10% elongation. ISO 9001 certified for reliable anchoring in hard rock and soil applications. Available in sizes M8 to M30 with 50-1000mm lengths and hexagon head design for easy installation.

High-strength carbon steel expansion shell rock bolts with HRC38-48 hardness, designed for rock and soil anchoring applications. Features metric threading, 15-50mm thread length, and ISO 9001 certification. Ideal for mining, tunneling, and civil engineering projects requiring reliable mechanical performance and corrosion resistance.

ISO 9001 certified carbon steel expansion shell rock bolt with yield strength of 11.2-13.2KN and tensile strength of 12.9-14.9KN. Features metric thread design, head sizes 17-50mm, and reliable expansion anchoring for mining and geological operations. Customizable with negotiable MOQ and multiple payment options.

ISO 9001 certified expansion shell rock bolts made from carbon steel with galvanized coating. Available in sizes M8-M30 and lengths 50mm-1000mm, featuring 12.9KN-14.9KN tensile strength and ≥10% elongation. Ideal for civil engineering, tunneling, and structural reinforcement applications with negotiable MOQ and multiple payment options.

ISO 9001 certified expansion shell rock bolts with metric threading from M8 to M30 and lengths of 50-1000mm. Features 12.9-14.9KN tensile strength, 10% elongation, and galvanized surface treatment. Ideal for civil engineering, mining, and structural support in hard rock formations with extreme conditions.

ISO 9001 certified expansion shell rock bolt with tensile strength of 12.9-14.9KN and yield strength of 11.2-13.2KN. Designed for mining, tunneling, and civil engineering applications, featuring metric thread and customizable lengths from 50mm to 1000mm. Includes comprehensive technical support and flexible payment options.

Professional-grade expansion shell anchor bolt featuring hot dip galvanized surface treatment and three-leaf design for superior underground mining roof support. ISO 9001 certified steel construction ensures reliable performance in tunnel, slope, and foundation applications. Manual installation with negotiable MOQ and comprehensive technical support.

Industrial-grade expansion shell rock bolt with hot dip galvanized coating for tunnel, mining, and slope applications. Features manual installation, three-leaf expansion design, and ISO 9001 certification. Complies with GB/T14370-2007 standard for reliable roof and rib support in demanding underground environments.

Professional expansion shell rock bolt with hot dip galvanized steel construction, designed for manual installation in mining, tunnel, and slope applications. ISO 9001 certified and compliant with GB/T14370-2007 standards. Features three-leaf anchor design for superior hard rock anchoring and rapid deployment capabilities.

Product Description: As a professional manufacturer, we would like to offer our customers Underground Mining Roof Support Expansion Shell. Our product comes with the best after-sale service and timely delivery. The Underground Mining Roof Support Expansion Shell is designed for roof and ribs support in mine working areas, and can act as either an independent or auxiliary roof support system. Implementing expansion shell bolts are easy and fast too. The rail clips feature

Product Description: As a professional manufacturer, we would like to provide you with Underground Mining Roof Support Expansion Shell. Not only that, our after-sale service is top-notch, and you can rest assured delivery will be timely. Specifically, Underground Mining Roof Support Expansion Shell is designed to be used as either an independent or auxiliary roof support system in mine working areas. The installation process is easy and straightforward, since the expansion

Product Description: Underground Mining Roof Support Expansion Shell As a professional manufacture, we would like to provide you with the best Underground Mining Roof Support Expansion Shell. Not only providing you with a satisfactory product experience but also offering you the best after-sale service and timely delivery. It is designed to be used for roof and ribs support in underground mine working areas as an independent or auxiliary roof support system. The Expansion

Product Description: As a professional manufacturer, we strongly recommend our Underground Mining Roof Support Expansion Shell. It is designed to be used as an independent or auxiliary roof support system in mine working areas. Furthermore, it has the characteristics of easy-to-handle bolts and fast deployment time, thanks to its spreading elements shaped like wedges that are placed against the walls of the borehole. Besides, we always guarantee an excellent quality and

Product Description: As a professional manufacturer, we proudly present to you our Underground Mining Roof Support Expansion Shell. We guarantee to provide the best after-sale service and ensure timely delivery. Our Underground Mining Roof Support Expansion Shell is designed for use in mine work areas for the support of roofs and ribs, whether they're used as independent or auxiliary structure systems. Our expansion shell bolts are extremely versatile and easy to manage, and

ISO-compliant M24 expansion shells assembly featuring left-hand thread design and zinc electroplated gold passivate corrosion protection. Engineered for high load capacity anchoring in concrete, brick, and block materials with dual-point expansion mechanism for superior holding power and steel construction for maximum durability.

Professional right-hand thread expansion shell rock bolt assembly delivering up to 50kN tension with zinc electroplating and gold passivation for corrosion resistance. Features parallel contact design for excellent load transfer, compatibility with conventional and resin bolt systems, and hexagon configuration for easy installation in mining and tunneling applications.

Professional expansion shell rock bolts featuring precision CNC machining with ±0.01mm tolerance, multiple material options including stainless steel and aluminum, and various surface treatments like anodized and polishing. Certified with ISO9001 and SGS, these bolts are engineered for tunneling, mining, and industrial applications with 100% quality inspection.