Drywall screws are essential fasteners meticulously engineered to firmly secure drywall materials like gypsum board and lightweight partition walls. Below, we delve into their unique structural features, classification, specification parameters, and vital usage precautions: 1. Structure and Material Characteristics 1. Appearance Features Horn Head Design: Crafted in an elegant horn shape, this design amplifies the force area, effectively preventing surface cracks in the board. It ensures a snug, secure fit between the screw and the board. • Slender Nail Body: Featuring a slender, threaded body, it effortlessly pierces the board, anchoring firmly to the keel or wall for outstanding stability. 2. Materials and Craftsmanship Material: Typically crafted from robust carbon steel, the surface undergoes phosphating, galvanizing, and similar treatments to significantly boost rust resistance. • Thread Design: Available in two distinct types - double line fine teeth and single line coarse teeth: Double Line Fine Thread: With its refined thread design, it’s ideal for securing gypsum board to metal keels (thickness ≤ 0.8mm), providing exceptional fastening strength. Single Line Coarse Thread: The broader thread is perfect for connecting gypsum board to wooden keels, offering rapid drilling and minimizing damage to the wood structure. 2. Classification and Usage 1. Classification by Thread Type Double Line Fine Tooth Drywall Nail: Perfect for gypsum board to metal keel connections, it boasts tight threads and an excellent holding effect. Single Line Coarse Tooth Drywall Nail: Designed for gypsum board to wooden keel applications, it delivers swift penetration and is ideal for wooden materials. 2. Classification by Special Function Self-Drilling Drywall Nail: Equipped with a drill bit at the tip, it seamlessly combines drilling and tapping, making it perfect for speedy metal keel installations (thickness ≤ 2.3mm). Pin Screws: Tailored for thin metal plate connections, these screws offer exceptional hardness on the threaded surface, suitable for specific industrial applications. 3. Classification by Material and Surface Treatment Black Drywall Nails: Primarily used for securing gypsum boards, they are cost-effective and well-suited for typical indoor environments. Stainless Steel Drywall Nails: With impressive corrosion resistance, they thrive in humid settings like bathrooms and kitchens. Galvanized Drywall Nails: Offering excellent rust resistance, they are ideal for long-lasting durability in demanding scenarios.

1 Hex Washer Head distributes holding pressure to thin metal. 2 Use these screws to secure metal to metal. 3 Save Time and Effort by drilling their own holes and fastening in a single operation. 4 Made from Steel, they have a Zinc Plating to resist corrosion in weather environments.

Scaffolding steel prop is a commonly used support structure in construction, mainly used to bear the weight of buildings and construction equipment to ensure the safety of construction workers. Steel support is usually used in combination with scaffolding systems to provide additional support, especially when high-rise building construction is being carried out. It can effectively share the vertical and horizontal loads during construction and prevent the scaffolding from tilting or collapsing. Main features: High strength: Steel has high tensile and compressive strength and can withstand large loads. Good stability: Steel supports can provide good stability and ensure the safety of the scaffolding system. Strong flexibility: According to different construction needs, steel supports can adjust length, angle, etc., and have strong adaptability. Easy construction: Steel supports are usually composed of steel pipes, connectors and support components, which are easy to assemble and disassemble. Common types: Vertical support: used to bear vertical loads, such as supporting floor slabs, platforms, etc. Horizontal support: used to enhance the stability of the scaffolding system and prevent lateral displacement of the structure. Diagonal support: used to strengthen the connection between support points and improve overall stability.

Construction Formwork Tie Rod System-Tie Rod Drop Forged Tie Nut The Formwork Tie Rod system components include the Tie Rod,Tie Nut,Wing Nut, Anchor Nut, Water Barrier/Water Stop, Washer Plate/Waller Plate, Steel Cone, Wing nuts and Tie rods as a whole facility are used widely in formwork construction system.

FOLDING SCAFFOLD Folding scaffolding is a scaffolding system that is light, easy to transport and store. Its main features are that the structure is foldable and can be unfolded when in use. After the construction task is completed, it can be quickly folded and stored, saving space and suitable for a variety of construction environments.

FRAME /MOBILE SCAFFOLDING FRAME SCAFFOLDING, Fabricated Frame Scaffoldings are the most common type of scaffold because they are versatile, economical, and easy to use. They are frequently used in one or two tiers by residential contractors, painters, construction industrial etc., but their modular frames can also be stacked several stories high for use on large-scale construction jobs.

PVC corner bead/PVC drywall corner bead is mainly used for heat preservation,indoor and outdoor building construction, mainly solving the problem of the angle unstraight, unsmooth and easy to damage for the wall corner, such the quality  problems of the corner in the construction. PVC Corner Bead/PVC Drywall Corner Bead can solve enhance the construction efficiency , to ensure that the insulation mortar layer without cracking.The combination of PVC angle and fiberglass mesh, not only effect of acid and alkali resistance, but also can improve the earthquake level and reduce earthquake disaster.

Product Description： High Ribbed formwork is manufactured from hot-dipped galvanized steel sheets. Because its meshes and U patterns, it has better anti-stress capability and forming flexibility than normal metal lath. This product has excellent engineering quality, construction security and widely used in building construction to form retaining walls, columns, stop ends, construction joints and used to support slab flooring. Expanded Permanent Formwork Mesh High Rib Formwork Mesh Hy Rib Formstopfor Concrete Formwork Construction Hy-Ribbed Formwork is also known as Permanent Formwork, expanded Formwork. It is used as the consumable template. The edges of the open of the mesh will be inset in the concrete when the concrete pouring behind the formwork. That will be a mechanical wedge to link with the block. The quality of the joint can be strictly controlled. The strength of the adhesion and shearing can be equal to the excelletn rough cut stitching. There is no drilling, plucking and other process needed when do the secondary pouring. It can shor the construction time and at the same time make the concrete stronger.

PC STEEL STRAND / LRPC STRAND / PT CABLE / POST-TENSIONED STEEL CABLE/ HIGH TENSILE LOW RELAXATION STEEL STRAND FOR PRESTRESSED CONCRETE Specification: Raw Material: High carbon steel wire rod SWRH 77B SWRH 82B Structure: 7 wires, Nominal Diameter: 9.30, 9.53, 11.11, 12.50, 12.70, 12.90, 15.24, 15.70, 17.80, 18.90, 21.60mm;  Structure: 19 wires, Nominal Diameter: 21.8mm, 28.6mm Standards: ASTM A416-2017, ASTM A779-2016, ASTM A886-2017, ASTM A910-2016, ASTM A475-03 (2014), AASHTO M 203-2007, ABNT NBR 7483-2020, AS 1311-1987, AS/NZS 4672.1-2017, BS5896-2012, EN10138-3-2009, GB/T5224-2014, IS6006-2014, JISG3536-2014, KSD7002-2019, UNE36094-1997, NEN3868-2001, SNI 1154-2011  Categories: smooth plain, hot dipped galvanized, HDPE coated, epoxy resin coated.  Tensile Strength: 1770-1860-1960MPa, Yield Strength 1570-1670-1770MPa Relaxation: Initial load to 70% breaking load, the relaxation at 1000 hours less than 2.5%  Elongation: Lo over 610mm, the elongation over 4.0% Packing Method: baling strip, inner PVC film, outer damp-proof paper-plastic compound packing cloth, wood pallet.  Package Roll Weight: 2-3 MT / 3-4 MT   Usages: Pre-stressing steels apply to post-tensioned and pre-tensioned concrete structure in the follow civil engineering, building construction and infrastructure projects: bridges; railway sleeper, subway track board; airport; industrial buildings, commercial buildings, residential housing foundations; PC poles, piles, beams, girders, slabs, double-T board, hollow floor board, floor, parking decks, PHC, PPCP; electric power, nuclear power station; ports, dams, water project, sewage treatment, swimming pool; rock-coil anchoring, side slope stabilization, coil mine; storage tank for national gas, oil, grain; stadiums, TV tower etc. History: With excellent quality, reasonable price and good after-sales service, Jiangjing Brand has been China Top Ten PC Strand Brand for 6 years. Jiangjing products had been used in many national key projects in China and exported to many countries, such as Australia, Bahrain, Bangladesh, Brazil, Chile, Colombia, Dominica, Ecuador, Egypt, India, Iran, Kenya, Lebanon, Malaysia, Panama, Qatar, South Korea, Sri Lanka, Thailand, Venezuela, Viet Nam etc.  Trade Terms:  Min Order Qty: 1 FCL / 27 M.Tons   Price Terms: EXW FOB FCA CFR CIF  Payment Terms: Cash, TT, LC, DP  Date of Shipment: 10-20 days

Angle Bar Bracket, Pipe Bracket, Ceiling Bracket, Spacer, Connector, Steel Clamp, Various Special Clamp, Wall Bracket, Bracket for Wood，Concrete Embedded Steel Parts, Guardrail Bracket, Support Bracket, Stainless Steel Bracket