Wensilon Extension Concrete Drill Bit Lengthening 1pcs 1" X 39" Cross-Type Double Thread Carbide Material Suitable for Concrete, Brick, Cement Walls, Stone, Extra Long Hammer Drill Bits for Concrete

ARE YOU STILL TROUBLED BY THE BAD QUALITY OF SCREWS?Choose Wensilong, Our Professional Production Of Quality Self-Tapping Screws Worth Your Trust!BRAND PURPOSEWensilong Professional Fastener Brand Manufacturers, We Plowed This Industry For Many Years, And Constantly Upgrade And Explore, We Are Committed To Serving Every Customer, To Bring Our Customers Better And More Favorable Products Is The Direction We Have Been Working Hard, We Have A Complete Product Development, Production, Sales, Distribution And Perfect After-Sales Service, Believe That Wensilong We Will Not We Believe That Wensilong Will Not Fail To Meet Your Expectations.CONCRETE DIAMOND POINT SCREW- Concrete Screws Are Made From High Quality Carbon Steel Hardened To A High Temperature, With A Blue Rust Finish For A High Degree Of Hardness And Corrosion Resistance, The Screws Have A Very Unique Diamond Finish, Which Makes Maintenance And Repair Work Much Easier.

• SIZE INTRODUCTION:The total length is 39 inches.
• Alloy Cutter Head: The harder cross cutter is easier and more efficient for drilling work.
• Material: High-strength alloy steel is made by Wensilon, very hard.
• Ripple design: double line of drill bit design, drilling and punching is faster, stone powder is easier to peel off from the wall.
• Compatible with most brands of impact drills on the market