Machine Screw Head Type Flat Carbon Steel Length 1-1/4 Thread Length - Drive Type Torx Finish Zinc Plated Thread Size 1/4-20 Driver Size T27 Head Dia 0.507 Head Height - Head Angle (Deg.) 82 Washer Type - Washer Material - Washer O.D. - Washer Thickness - Pilot Dia - Pilot Length - Hole Size - Seal Material - Temp Range (F) - Meets/Exceeds ANSI/ASME B18.6.3 Includes - Package Quantity 100