Bi-Metal Screw Manufacturer

• Material: Carbon Steel
• Shape of Head: Bugle Head,Flat Head
• Surface Finishing: Black Phosphated,Ruspert
• Certification: ISO, RoHS
• Customized: Non-Customized
• Head Type: Flat Head Countersunk Head with Ribs
• Model NO.: 5.5-14X50
• Point: Drill Point/Wing Point Wing Tek
• Plating: Color Zinc/Yellow Zinc/White Zinc/Ruspert/Dacromet
• Type: Countersunk Head
• Head Style: Counter Sunk Bolt
• Connection: Self Drilling
• Grade: Ss 410 SUS 410 A2 A2-70 A2-80 A4-80 A4-70 A4
• Transport Package: Box in Carton, Bulk in Carton, PP Bag/ as Required
• Specification: DIN, ANSI, GB
• Origin: China
• HS Code: 7318140000
• Production Capacity: 3600tons/Month

Product Description

Beyond Industry Groups Ltd professional manufacture and export steel and  stainless steel self drilling screws, Bi-metal Screw, tapping screws, wood screws, Furniture Screw, bolts,Terminal Cover Screw, Sealing Bolts, drywall screws, Collated Screw, machine screws etc, material brand C1022 C10B21 SUS410 302 304 305 316 etc.


We usually have stock for pan head, flat CSK head, truss head, hex washer head, hex flange head in material SS410 & SS304 self drilling screws, size as below:
4.2-18X13, 16, 19, 25, 32, 38, 50
4.8-16X13, 16, 19, 25, 32, 38, 50
5.5-24X13, 16, 19, 25, 32, 38, 50, 63, 75, 90, 100, 110, 125, 150
6.3-14X13, 16, 19, 25, 32, 38, 50, 63, 75, 90, 100, 110, 125, 150,180,200,230,240,250,280,320,380

Manufacture length up to 380mm, and other head type is available as below.




Plating: Color zinc plating, white zinc plating, blue zinc plating, black zinc plating, phosphated, dacrotized, ruspert, xylan, etc.

Ruspert follow AS 3566 standard.

Thread: Cutting thread, cutting point, type 17, self tapping, self drilling ,spiral point etc.




Drill Capacity: Drilling to 18mm steel panel, salt spray test up to 2000hours ,30 Kesternich .

If you are interested in these products, please feel free to contact us.