Light Steel Framing /LGS Screw (Trilobular Thread) is engineered for reliable fastening in demanding industrial, construction, and OEM applications. Also known as 三叶螺纹轻钢龙骨自攻螺丝（LGS 轻钢专用钉）, this fastener is designed to deliver consistent clamping force, corrosion resistance, and easy installation across a wide range of substrates.
Key Features
公称直径 6.0mm，3 号十字驱动，全牙三叶挤压螺纹 Trilobular Thread；
三叶螺纹挤压薄钢板成型，不产生金属碎屑，锁附拉力、抗拔力大幅提升；
基材碳钢，Ruspert 罗司普防腐涂层，室内外轻钢工程防锈；
机械性能：抗拉载荷≥20KN，剪切力≥3.5KN，表面硬度 530~750HV，不易断钉滑牙；
尖头自攻结构，无需预钻孔，适配 0.4–2.0mm 厚薄轻钢龙骨拼接。
Typical Applications
轻钢别墅,轻钢隔墙,吊顶龙骨拼接固定；
模块化装配式轻钢房屋,商铺隔断,室内石膏板轻钢骨架；
集成建筑,活动板房,工地临时轻钢围护结构；
轻钢龙骨厂,装配式建筑总包,装修五金批发商配套紧固件。
Specifications
Attribute | Details |
Product Name | Light Steel Framing /LGS Screw (Trilobular Thread) |
Chinese Name | 三叶螺纹轻钢龙骨自攻螺丝（LGS 轻钢专用钉） |
Material | Carbon Steel / Stainless Steel / Alloy Steel (customizable) |
Surface Treatment | Zinc Plating / Hot-Dip Galvanizing / Black Oxide / Dacromet (customizable) |
Standards | DIN, ISO, ANSI, ASTM, JIS (customizable) |
Packaging | Bulk, Box, Pallet, or Custom Labeling |
Why Choose EC FASTENER
At EC FASTENER, we specialize in wholesale and customized fastener solutions for global B2B buyers, construction companies, and equipment manufacturers. With years of experience in fastener export, we provide consistent quality, competitive pricing, and reliable delivery for projects of any scale.
Whether you need standard stock or OEM-grade custom fasteners, our technical team can match your material, surface treatment, dimension, and packaging requirements. From wood screws and self-tapping screws to structural bolts and solar mounting fasteners, EC FASTENER is your trusted supply partner.
Contact EC FASTENER today for a quotation, sample request, or free technical consultation.
EC FASTENER · ecindustry.com · Wholesale & Customized Fastener Solutions