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  • Mechanical Rock Bolts - DSI Underground Canada

    A29 (gr75 for USA) 5/8' Bolt. 5/8' Bolt. 3/4' Bolt. 7/8' Bolt. Yield Strength, min. 15,600 lbs. (69 kN) 17,000 lbs.

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  • Rock Support Bolt, Mechanical Rock Support Bolt,

    NingBo SPT Engineering Material Co.,Ltd is located at BeiLun District of NingBo City In ZheJiangProvince, ChinaMainland. Company’s office and production area get to approx 6000 SQ Meters.Primary business in manufacturing and selling rock support thread bars. Kinds of Grouting hollow thread bar, reinforcing steel bar, LHD thread equicohesive bar ETC.

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  • Rebar Rockbolts - DSI Underground Canada

    Accessories for Rock and Roof Bolts Drilling Equipment Mechanical Expansion Shells. Friction Anchors. Friction Bolts. Speciality Anchors. Double Corrosion Protection (DCP) Bolts ...

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  • Mining | rocbolt

    2021-7-26 · Mechanical Anchored Rock Bolts (Roof Bolts) Rock bolts studs are mechanically point anchored within the rock using 3 leaf bail-type expansion shells attached to the inserted end of the bolt. Expansion shells are supplied screwed onto the end of the rock tendon and are inserted into the hole. When tension is applied to the tendon the tapered ...

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  • Support Materials - kuplakgroup.co.za

    2 天前 · Rock bolting systems are used to stabilize excavated rock mass in underground mines and tunnelling. Rock bolts are systematically arranged to transfer the load from the unstable surface or exterior of the rock, to the much stronger interior part of the rock. The rock mass can be reinforced by different types of rock bolts. Epiroc offers the following Swellex expandable rock bolting systems:

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  • Swellex Rock Bolting System | Rock Reinforcement |

    2020-2-29 · An economical, medium strength rod used for tie downs, and rock reinforcement. Use AR Expansion cone shell anchor series for blind hole and prestressed rebar anchor applications. Use 2 tubes for complete grouting. One tube pumps grout to the back of the borehole and the other acts as a vent. The grouting tube is affixed to the rod to a point just above the

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  • Rock Anchoring and Bolt Systems

    Sandvik DM300 is a mobile bolter designed for the installation of strata support in place-change coal mining operations. This track-mounted machine offers a safe yet rapid way to install roof and rib support. It offers superior performance thanks to the ability to install a full row of roof bolts without tramming.

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  • Mobile bolters — Sandvik Mining and Rock Technology

    Anchors and rock bolts (Fig. 4.35) involve the same mechanical principle, but they are employed in soft soil and rock, respectively.Anchors and rock bolts are active reinforcing elements designed to anchor and stabilize the rock mass during tunnel excavations. In case of rock mass movement, the bolts will develop a restraining force that is transferred back to the rock mass as in Fig. 4.36.

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  • Rock Bolt - an overview | ScienceDirect Topics

    2010-10-18 · bolts Rock bolts REINFORCEMENT LENGTH REINFORCEMENT CAPACITY Roof Figure 2-1 The length-capacity relationships that have evolved for roof bolts, cable bolts, and ground anchors (after Windsor and Thompson, 1997) There are eight types of roof bolts used in the South African coal mining industry. These are 1. mechanical anchors; 2. resin point ...

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  • Bolts · SAE Grade 8 Hex Head Bolts-Matching Washers

    Our bolts and matching hardened washers and nuts form a matched system that produces consistently high clamp loads. You can trust Cat Hardware and Fasteners to help you build it, maintain it, or fix it – for most machine and workshop applications throughout the …

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  • Bolt Depot - Nuts and Bolts, Screws and Fasteners

    Large selection of nuts and bolts as well as other fasteners online. Nuts, bolts, and screws in stainless steel, bronze, galvanized and more including metric bolts. Buy individual nuts and bolts with no minimum order, fast shipping and a 100% guarantee

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  • DYWIDAG Rock Bolts - DSI EMEA

    Expansion Shell Anchors Rock Bolts with Expansion Shell. Extremely fast and easy installation. Immediate load bearing capacity in the borehole. Galvanized version available. Retensionable. Various angle compensation designs available.

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  • chemical bolt, chemical bolt Suppliers and

    10,702 chemical bolt products are offered for sale by suppliers on Alibaba.com, of which bolts accounts for 16%, anchors accounts for 7%. A wide variety of chemical bolt options are available to you, such as 3/16in. You can also choose from din, iso, and ansi chemical bolt, as well as from automotive industry, general industry chemical bolt ...

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  • Anchoring products - Bolt Depot

    Also known as wedge anchors, stud anchors are one piece expansion bolts with universal style collars for heavy duty fastening into stone or solid concrete. Stud anchors come with nuts and washers. Stainless steel 18-8. A corrosion resistant steel alloy. The most common stainless steel for general hardware use. Stainless steel 316

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  • Bolts at Menards®

    Carriage bolts are a great choice for fastening wood structures, including docks, decks, swing sets, and more. Anchor bolts are used to securely attach wooden structures to concrete. Lag screws are often used to fasten wood, but they can also be used in masonry applications when combined with a lag shield. Standard U-bolts are often used to attach pipes or tubes to flat surfaces, while square ...

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  • Nuts, Bolts, Screws and Specialty Fastener Supplier ...

    Online directory of mechanical components manufacturers, mechanical equipment manufacturers and mechanical equipment suppliers. Get details of mechanical components suppliers, clutches manufacturers, gaskets manufacturers, dies manufacturers.

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  • Mechanical Components Manufacturers,Mechanical

    SNAPTOGGLE® Heavy-Duty Toggle Bolts — 304 Stainless Steel Channels. Carry twice the load than standard wing anchors. Smallest installation hole for each bolt size. Provide superior holding with metal-to-metal fastening. SnapSkru® Self-Drilling Drywall Anchors. Holds securely in walls & ceilings. Unique locking action resists vibration and ...

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  • Bolt Depot - Nuts and Bolts, Screws and Fasteners

    Large selection of nuts and bolts as well as other fasteners online. Nuts, bolts, and screws in stainless steel, bronze, galvanized and more including metric bolts. Buy individual nuts and bolts with no minimum order, fast shipping and a 100% guarantee

    Get Price
  • Anchoring products - Bolt Depot

    Also known as wedge anchors, stud anchors are one piece expansion bolts with universal style collars for heavy duty fastening into stone or solid concrete. Stud anchors come with nuts and washers. Stainless steel 18-8. A corrosion resistant steel alloy. The most common stainless steel for general hardware use. Stainless steel 316

    Get Price
  • Nuts, Bolts, Screws and Specialty Fastener Supplier ...

    Carriage bolts are a great choice for fastening wood structures, including docks, decks, swing sets, and more. Anchor bolts are used to securely attach wooden structures to concrete. Lag screws are often used to fasten wood, but they can also be used in masonry applications when combined with a lag shield. Standard U-bolts are often used to attach pipes or tubes to flat surfaces, while square ...

    Get Price
  • Bolts at Menards®

    SNAPTOGGLE® Heavy-Duty Toggle Bolts — 304 Stainless Steel Channels. Carry twice the load than standard wing anchors. Smallest installation hole for each bolt size. Provide superior holding with metal-to-metal fastening. SnapSkru® Self-Drilling Drywall Anchors. Holds securely in walls & ceilings. Unique locking action resists vibration and ...

    Get Price
  • TOGGLER | Heavy Duty Toggle Bolts | Wedge Anchors

    Online directory of mechanical components manufacturers, mechanical equipment manufacturers and mechanical equipment suppliers. Get details of mechanical components suppliers, clutches manufacturers, gaskets manufacturers, dies manufacturers.

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  • Mechanical Components Manufacturers,Mechanical

    Regular Price 550.00 Sale Price 450.00. Quick View. PANDEM Ford Raptor. Regular Price 5,320.00 Sale Price 4,800.00. Load More ...

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  • Impala Bolt and Nut - Manufacturers of Custom Bolts,

    YINGJUN 122A 121.5A 0.3M Brass Pinions 12 Tooth Thickness 4mm Mechanical Copper Gear Hole 1.5/2 mm 5PCS Tightly Small Modulus Gears (Hole Diameter : 1.98mm, Number of Teeth : …

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  • Bolts · SAE Grade 8 Hex Head Bolts-Matching Washers

    Our bolts and matching hardened washers and nuts form a matched system that produces consistently high clamp loads. You can trust Cat Hardware and Fasteners to help you build it, maintain it, or fix it – for most machine and workshop applications throughout the …

    Get Price
  • Atlas Copco Rock Reinforcement Products Product

    2017-11-14 · line rock bolts, which are manufactured from a special type of steel. Another development is the Swellex Premium line of rock bolts, for use where high yield load and stiffness are expected from the reinforce-ment system. When Atlas Copco bought MAI in 2001, the rock reinforcement center moved to Feistritz/Drau, Austria.

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  • Bolts and Machine Screws - Metric - Westfield

    2021-7-19 · Bolts and Machine Screws - Metric. Presented on this page is our current range of metric threaded bolts and machine screws, to be used in conjunction with the equivalent metric sized nuts and washers. Westfield Fasteners carries stock of each size and …

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  • Grade 8 Bolts - Coarse and Fine Thread - Grade 8 Nut

    2018-3-5 · Grade 8 Bolts: Quick Facts. A grade 8 bolt is stronger than the more commonly used grade 5. It is made of alloy steel and has six radial lines on the top of the bolt head. Grade 8 bolts have a tensile strength of 150,000 pounds per square inch. We recommend using grade 8 nuts, flat washers and high alloy lock washers with any grade 8 bolts ...

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  • Explosive Bolts | Pyro Fasteners | PacSci EMC

    The original company was established in 1966 and purchased by the current management in 1981. From humble beginnings in a small workshop located in Ophirton, Johannesburg, the company expanded from machining fasteners on Capstan lathes, first into Hot forging of Bolts, followed by a move into the mass production of cold forged bolts and nuts.

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  • - SA Bolt Manufacturers

    Asia Bolts offers a product range of over 40,000 varieties of Stud Bolts, Anchor Bolts,U Bolts,Washers,Nuts,Screws. Asia Bolts Industries L.L.C. Largest Fastener Manufacturer in Dubai U.A.E. manufacture custom made sizes,complying with international material. …

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  • Bolts and Nuts - Asia Bolts - Fastener Manufacturer in

    Online directory of mechanical components manufacturers, mechanical equipment manufacturers and mechanical equipment suppliers. Get details of mechanical components suppliers, clutches manufacturers, gaskets manufacturers, dies manufacturers.

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  • High Strength Bar - DSI Underground Australia - Rock

    Bolt fittings, such as nuts, anti-friction washers and domed balls, are supplied fitted to rock bolts in the configuration requested. Notes DSI Underground Mining Products Division is Quality Assured to ISO 9001:2015, Registration QMS 41328.

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  • Fasteners & Mechanical | Newark

    Fasteners & Mechanical. Our product selection includes MS/NAS Fasteners for military and defense requirements. From nuts and bolts, clamps and clips, rivets, screws and washers, Newark offers products that comply with industry standards to ensure quality, functionality and fit.

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  • ROCK ANCHORS - Linemen-Tools.com

    Our Price: 85.74. Rock Anchor 1'-30' Length JR130L. 1' X 30' Expanding Rock Anchor 36,000 lbs. Unlimited strength. Rock Anchors are installed into core holes bored into rock. The Rock Anchor is tightened along the anchor shaft to expand the resistance wedges into the rock. To install anchor, drill a 12' deep hole in solid rock, put anchor in ...

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  • Fastenal Industrial Supplies, OEM Fasteners, Safety ...

    Bolts. Bolts are headed, externally threaded fasteners used to keep two objects, often metal or wood, in a fixed position relative to one another. Unlike screws, which cut their own threads, bolts pair with the internal threads of nuts to stay in place and ensure the desired level of tension in the bolted joint.

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  • Bolts and Nuts - Asia Bolts - Fastener Manufacturer in

    Asia Bolts offers a product range of over 40,000 varieties of Stud Bolts, Anchor Bolts,U Bolts,Washers,Nuts,Screws. Asia Bolts Industries L.L.C. Largest Fastener Manufacturer in Dubai U.A.E. manufacture custom made sizes,complying with international material. …

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  • Holds & Bolts - MoonBoard

    Sale. View All. Men's Clothing. Women's Clothing. Equipment. Bouldering Pads. Pluto. Warrior. Saturn. Chalk Bags. ... Holds & Bolts; 17 Items . View as Grid List. ... Price. Newsletter. Subscribe to our mailing list Get the latest news and special offers . Shopping Help ...

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  • Technical Metal

    Technical Metal was established in 1987 making us one of the most experienced and well-respected fastener manufacturers in the United Arab Emirates. Our commitment to customer service, quality products, and on-time deliveries has allowed us to thrive and …

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  • Home page [www.rockexotica.com]

    佛山市顺德区广意通讯电缆有限公司. 光缆 (optical fiber cable)主要是由光导纤维(细如头发的玻璃丝)和塑料保护套管及塑料外皮构成,光缆内没有金、银、铜铝等金属,一般无回收价值。. 光缆是一定数量的光纤按照一定方式组成缆心,外包有护套,有的还包覆 ...

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