Carbon Steel Torx Countersunk Head Concrete Screwself Tapping Screw Wind Concrete Frame Fastener

• Material: Carbon Steel
• Type: Countersunk Head
• Groove: Torx
• Connection: Self Tapping
• Head Style: Csk
• Standard: DIN, GB, ANSI, BSW, JIS, GOST
• Grade: Good Quality
• Certificates: ISO9001.CE,RoHS etc
• Measurement System: Inch, Metric
• Product Name: 7.5 Torx Head Window Concrete Frame Screws Masonry
• MOQ: 1 Ton
• Color: Yellow/White
• Sample: Free
• Surface Finish: Yellow Zinc Cr+6
• Transport Package: Bulk/Small Box/Carton/Pallets
• Trademark: 1/4-1/2-#12
• Origin: China
• HS Code: 7318140000
• Production Capacity: 600tons Per Month

Product Description

 

Product Description

Concrete screws are a special threaded screw, with hardened notched threads and high-low threads. The notches and the high-low threads help to eliminate concrete shavings from the hole as the screw taps threads into the base material. The hole size for concrete screws is smaller than the diameter of the screw.

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