Strong-point #6 x 2-1/4x22 Square Drive Trim Head Phosphate Self-Drilling Screws 3M Box

Phosphate 2-1/4" #6-20 x 2-1/4" Square Drive Trim Head Tek screws, Phosphate, Full Thread p These 2 1/4" length #1 Square drive Trim Head (.220" head diameter) PHOSPHATE COATED Self-Drilling screws are #6-20 (20 threads per inch) #2 Point. Phosphate is a conversion coating used to add mild corrosion resistance and for lubricity. Meets F.I.P.-1000.7 for torsional strength and drill speed. Meets ASTM A 510 for carbon steel manufacturing. br / br / Each box contains approximately 3,000 screws (19 pounds) - FULL THREAD br / br / Manufactured according to I.F.I. Standard. - Applications Include: br / Attaching wood to metal, drill capacity .035 - .090, drill speed 2500 RPM. /p