#13 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Flute Length 4-3/16"

Flute Length 4-3/16"

Part Number DWDRSD1-1/16

as the plating material doesn't accumulate at the tips as with conventional chrome plating

Greater Control – Steel shot inside the hammer head reduces rebound • Durable Outer Jacket – Hot cast polyurethane jacket is highly resistant to chipping

Part Number DWDRSD14

#13 x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Flute Length 4-3/16"Product 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