288 Pcs. Drill America
Made in USA Brand New 1/16" to 1/2" x 64ths Cobalt (M42) Screw Machine (Stub) Length (Drill Set. Includes 12 Pcs. of 1/16" to 5/16" & 6 Pcs. of 21/64" to 1/2" x 64ths Drills
Manufactured to National Aerospace Standard 907. 135 Deg. split point is self-centering and reduce thrust. Ideal for portable or machine drilling. Short, rugged construction performs well in broad range of materials in the iron and steel families. Screw machine drills are popular in the automotive and construction industries. They are often used in screw machine set-ups where spindle clearance is limited. The shorter flute and overall length increase the rigidity, resulting in less deflection, better hole accuracy, and longer tool life. Sizes are smaller than 1/16 and large than 1/2" have the 118 deg. standard point.
