Bi-Metal Screw Self Drilling Screw

• Customization: Available
• Material: Stainless Steel
• Shape of Head: Csk
• Model NO.: 4.2*16
• Surface Finishing: Zinc Plated
• Certification: ISO, RoHS, SGS, FM
• Customized: Non-Customized
• #6*L: #6*25
• Head Recess: Philips or Slotted
• Type: Flat Head
• Driver Style: Philips
• Connection: Self Drilling
• Grade: 10.9
• Ribs: 4/6
• Wing Tek: Yes
• Transport Package: Box in Carton, PP Bag, Bulk in Carton/ as Required
• Specification: DIN, ANSI, GB
• Origin: China
• HS Code: 7318140000
• Production Capacity: 500tons/Month
• Package Size: 27.00cm * 26.00cm * 13.00cm
• Package Gross Weight: 13.580kg

Product Description

Beyond screw inception in 2004, has a complete range of processing equipment and production lines, adopts Taiwan manufacture technology and experiences also we possess advanced equipment and production lines and a group of outstanding technicians and administrative personnel.
We are professional  manufacture and export stainless steel self drilling screw, tapping screw, Terminal cover Screw,Blade shoulder Screw,Stitching screw,sealing screw, wood screw, bolts, drywall screw, machine screws etc, material brand C1022 C10B21 SUS410 302 304 305 316 316Ti 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
6.5-13x32,38,50,63,75,90,100,110,125,150.175.180.200.230.240.250.280.300
Manufacture length up to 380mm, and other head type is available.

Plating: color zinc plating, white zinc plating, blue zinc plating, black zinc plating, phosphated, dacrotized, ruspert, xylan,Epoxy 1000 hour salt spray per ASTM B117/B633, 15/15 Kesternich /G87 Sulfur Dioxide Test /per FM 4470,Cathodic epoxy e-coat etc.

Washer :PVC washer, nylon washer, EPDM bonded washer, EPDM washer, nylon cap etc. 

Drill Capacity: Drilling to 15.8mm steel panel, salt spray test up to 2000hours.

Beyond has many years of professional production experience and technology to provide the best service and quality products, the company has been the Beyond ideas and spirit.
Whether you are an industrial manufacturer, OEM or wholesale distributor, professional contractor supplier, or retail operation, we understand your needs and have the experience and capability of consistently meeting them.
If you are interested in these products, please feel free to contact us.
Welcome to order or visit with samples or drawing.


Size:4.2*38 with wide serration


All these have stock for stainless steel and carbon steel.

                                           Double thread self drilling screw.

 Safety screw with pin ,size is 4.2*25 mm,material carbon steel with 96 hours ROSH zinc plating.
Stock:200 000pcs
Bit/driver:Hex with pin

Size :8#-16*13/16/19/25/32/38 in stock now.
CSK head square bit self tapping screw in material A2.