4. Screws: self tapping/drilling screws, machine screws, chipboard screws, drywall screws, assembled screws, hanger screws, dowel screw

Raw material: steel, stainless steel, PVC, NYLON or others required by our clients.

From Size #4 to M64(#4 to 2 1/2”)

Grade: 2, 5, 8, 10 (4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 10.9, 12.9)

Surface treatment: plain finish, black, phosphated, nickel plated, zinc plated, hot dip galvanized, dacromat, mechanical galvanized, Cr+3 etc..