#13 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Finish:Clear Anodized

Finish:Clear Anodized

• Short Arm Optimizes for Access – Stay close to the fastener with the short arm L-key that allows you to work in tighter spaces and with greater control • High Leverage – We designed the keys to be longer in the largest sizes to increase leverage where it matters • 20-Degree Ball Angle Increases Access – Our L-keys feature a steep ball-end angle that increases your ability to access fasteners while still maintaining sufficient strength • Corrosion-Resistant Finish – We coat all of our keys with a durable manganese phosphate finish that's resistant to corrosion • Clear Markings – With the exception of the smallest sizes

Part Number: BIT-DWDCO15/16

Part Number D/ACO53/64

Tekton's short arm L-keys have one ball-end arm that's the same length as our normal keys

#13 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Finish:Clear AnodizedProduct Description Cobalt drill bits are are effective in drilling tough, high tensile strength materials such as cast iron, inconel, stainless steel and titanium. They display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel. They have a 135 split point tip for fast penetration and accurate drilling. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. Ideal for drilling