1/16" x 12" Cobalt Aircraft Extension Drill Bit, GLBCOX121/16 5/8-11 Flat Socket Cap Screws 18-8 Stainless Steel 5/8-11 x 2 1/4 L9

5/8-11 x 2 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

3/8 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (3300)

3/4-10 x 4 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

The T27 drive provides an optimal balance between strength and corrosion resistance

1/16" x 12" Cobalt Aircraft Extension Drill Bit, GLBCOX121/16 5/8-11 Flat Socket Cap Screws 18-8 Stainless Steel 5/8-11 x 2 1/4 L91 16" x 12" Cobalt Aircraft Extension Drill Bit, GLBCOX121 16Manufactured to Aerospace Standard 907. Ideal where extra length for reach is required. These drill bits display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel, and are especially effective in drilling tough, high tensile strength materials like stainless steel, inconel, and titanium. The 135 split point is self centering and reduces thrust.