#6 x 2-1/4" SQUARE DRIVE TRIM HEAD PHOSPHATE SELF-DRILLING SCREWS 3M Box
quantity: 3,000 count
3-5 day delivery Nationwide
#6-20 x 2-1/4" Square Drive Trim Head Tek screws, Phosphate, FULL THREAD
These 2 1/4" length #1 Square drive Trim Head (.220" head diameter) PHOSPHATE COATED Self-Drilling screws are FULL THREAD #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. Each box contains approximately 3,000 screws (19 pounds)
Attaching wood to metal, drill capacity .035 - .090, drill speed 2500 RPM.