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how to choose? 3 shield expansion bolt and 4 shield expansion bolt

Choose 3pcs expansion bolts for concrete Choose 4pcs expansion bolts for concrete The hanging objects are light (<20kg) ✅ Hanging pictures, small shelves ❌ Not necessary The hanging objects are heavy (>50kg) ❌ May not hold up ✅ Air conditioners, machines, shelves Solid wall (concr... Read More

How to choose concrete screw?

When purchasing concrete screw, factors such as quality, size, and material will affect the use effect. 1. Look at the material of concrete screw ✅ Galvanized steel nails: rust-proof and corrosion-resistant, suitable for outdoor or humid environments (such as construction sites, exterior walls). ... Read More

On 17-19 June 2025, FIXDEX & GOODFIX Sincerely Invite You To Visit our Fastener Expo Shanghai Booth-no. 2.1-2A302

  FIXDEX & GOODFIX brought high-strength wedge anchor / through bolts / threaded rods/ thread bar  / sleeve anchor / drop in anchor / concrete screw / slotted steel /solar bracket and so on… new technologies for anti-loosening threads and other products to the stage Dear customers and p... Read More

What to pay attention to when using C slotted steel?

slotted c channel  don’t buy defective goods Choose from regular manufacturers, don’t buy cheap and inferior goods, the thickness and size must meet the standards, and there should be no obvious rust or cracks on the surface. FIXDEX & GOODFIX Factroy4 Photovoltaic Brackets provid... Read More

One article to understand the use of double end threaded rods in building structures, how to use them and what to pay attention to

What is the specific use of double threaded rod in construction? Tightening and reinforcement For example, if you need to add support between two walls, use a double threaded rod to pass through, tighten the nuts at both ends to prevent the wall from tilting. The beams of steel structure factorie... Read More

What to pay attention to when purchasing M10 hex nuts?

1. m10 hex head screws confirm the specification parameters (don’t buy the wrong size!) (1) Thread matching M10 nuts must be matched with M10 bolts/screws (screw rod diameter ≈ 10mm). Pitch (tooth pitch): Ordinary M10 nuts default to coarse threads (1.5mm pitch), which is the most common. Special... Read More

When to use flange hex bolts and when to use ordinary hex bolts?

When to use hex flange bolt? Worried about screws loosening (such as places where cars and machines vibrate a lot) → The serrations or knurling on the flange surface can bite the parts and are not easy to loosen. Worried about crushing parts (such as soft materials such as plastics and aluminum a... Read More

Advantages and common scenarios of stainless steel l anchor bolts

stainless steel l shaped anchor bolts three major advantages: No rust no matter how you use it – It can withstand wind and rain at the seaside and acid and alkali environment in chemical plants, and it is much more durable than ordinary iron feet It is  extremely strong when installed ̵... Read More

How to install the implosion drop in anchor?

In simple terms, insert the drop in anchor into the wall or concrete, tighten it, and it can “bite” the material tightly, and it can’t be pulled out no matter how hard you try, and it won’t loosen in the future. How to judge whether drop in anchor it is installed well? The... Read More

Blind rivet common types and applicable scenarios

Type Features Typical uses Open Type Universal, low cost Chassis, shelves, general metal connections Closed Waterproof and dustproof, core head is closed Outdoor equipment, marine, wet environments Drum Type Tail expansion, high tensile strength Soft materials (plastics, composites) La... Read More

The FIXDEX Steel Structure At The STEEL BUILD 2025 Expo Surrounded By Customers-FIXDEX & GOODFIX Revealed Three Hard-Core Advantages On The Spot

1. Core highlights – technology leading the industry Steel structures that are not afraid of earthquakes The fully assembled FIXDEX & GOODFIX steel structures we developed are certified by the state to withstand a magnitude 9 earthquake! The safety factor is full. “No welding, ju... Read More

J shaped anchor bolt installation method and common problems and solutions

1. Pre-embedded method (suitable for new concrete) Steps: Draw the position: mark the place where the bolt should be placed on the steel bar according to the design drawing, and fix it with a template. Insert the bolt: Before pouring concrete, insert the J-shaped bolt to ensure that it is vertica... Read More
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