Steel Screw Plugs for Building 

Finish: Black Material: Steel, Steel Measurement system: Metric Head Style: Flat, HEX Product name: Steel screw plugs Grade: 4.8/ 8.8/ 10.9/ 12.9 Ect Surface treatment: Zinc Plated Polished Color: Color Plain Our range of product: BOLTS: hex bolts, heavy hex bolts, hex flange bolts, carriage bolts, wheel bolts, stud bolts, square head bolts, T bolts, eye bolts, U bolts, hook bolts NUTS: hex nuts, heavy hex nuts, hex flange nuts, nylon insert lock nuts, cap nuts, slotted nuts, rivet nut WASHERS: flat washers, spring washers, lock washers SCREWS: machine screws, self tapping screws, set screws, hex socket head cap screws, wood screws, self drilling screws Certifications Main Products Testing Laboratory We have Magnetic Powder Detector, Material Testing Machine, Metallographic Microscope, such testing instrum…