Product Overview
Concrete Frame Screw is engineered for reliable fastening in demanding industrial, construction, and OEM applications. Also known as 门窗混凝土固定螺丝 / 水泥框钉, this fastener is designed to deliver consistent clamping force, corrosion resistance, and easy installation across a wide range of substrates.
Key Features
规格 7.5mm，Trim Countersunk Torx T30 梅花沉头；
高低变距螺纹设计，增大混凝土 / 砖块咬合力，抗拔强度提升；
材质 1022 优质钢材，金黄色 RoHS 镀锌，耐室内外轻微腐蚀；
机械性能：抗拉≥1000MPa，屈服≥900MPa，抗剪 2.4KN，扭矩≥20N・m，不易扭断；
可直接钻入混凝土、红砖、石材、加气块、实木多基材，无需预埋膨胀管，门窗框快速固定。
Typical Applications
塑钢 / 铝合金 / 实木门窗框安装，固定于混凝土,红砖墙体；
外墙窗框,阳台门,入户门土建配套紧固；
厂房,公寓,别墅批量门窗安装工程；
石材,加气块,水泥砌块通用家装工装五金；
门窗加工厂, 装修总包, 建材批发商配套紧固件。
Specifications
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