Double Twin Thread Thin Sheet Metal Self Tapping Drilling Screws

• Material: Stainless Steel
• Type: Hexagon Head
• Connection: Common Bolt
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: thin sheet screw
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Grade: 8.8
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Hot Galvanizing
• Process: Cold Forming
• Sample: Free Sample
• Available Material: Carbon Steel, High Strength Steel, Stainless Steel
• Used: Machinery, Chemical Industry, Environmental, Build
• Transport Package: 25kg/Carton
• Specification: Customized
• Trademark: QBH
• Origin: China
• HS Code: 73261990
• Production Capacity: 300 Tons/Month
• Package Size: 26.00cm * 26.00cm * 14.00cm
• Package Gross Weight: 25.000kg

Product Description

 

Product Description

Double Twin Thread Thin Sheet Self-drilling Screws For Aluminum and Steel Profile Sheets
	Material
	SS304+SCM435 Or Customized
	Surface Treatment
	Zinc Plated or Ruspert 500-3000H, Dacromet, Customized
	Size
	4.8/5.5/6.0mm
	Quality
	Sample Testing Or Third-party Inspection
	Price
	Customized Production With Big Discount
	Lead Time
	In Stock Within 7 Days, Cusomitzed 15-30 Days

Product Parameters

 

Diameter (mm)	Length (mm)	Thread Length (mm)	Washer	Head Diameter (mm)	Drilling capacity (mm)
4.5	25	23.5	14mm EPDM	10.5	1 x 1.0/2 x 0.8
5.5	25	23.5	16mm EPDM	11.0	1 x 1.25/2 x 1.0
6.0	25	24.5	16mm EPDM	11.5	1 x 1.25/2 x 1.0
6.0	38	37.5	16mm EPDM	11.5	1 x 1.25/2 x 1.0

Surface Coating
 

AS3566 Austrulian Standard Building Screws
Corrsion Resistance	Class2	Class3	Class4	Class4+
Coating Type	Zinc+ Organic Coating (Ruspert)	Zinc+ Organic Coating (Ruspert)	Zinc+ Organic Coating (Ruspert)	Zinc+ Organic Coating (Ruspert)
Salt Spray Test	500H	1000H	2000H	3000H+
Kesternich Test	5 Cycle	7 Cycle	15 Cycle	25 Cycle