#21 x 12″ Cobalt Aircraft Extension Drill Bit, GLBCOX1221

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#21 x 12" Cobalt Aircraft Extension Drill Bit, GLBCOX1221

#21 x 12″ Cobalt Aircraft Extension Drill Bit, GLBCOX1221

Original price was: $8.09.Current price is: $5.92.

59 in stock

SKU: 1260100 Category:

Description

Manufactured 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. Sizes smaller than 1/16” or 52, and larger than 1/2” have the 118° standard point.

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