#4 HSS Spiral Flute Taper Pin Reamer BoltsandNuts.com Cobalt screw machine drills (also

Cobalt screw machine drills (also know as stub or stubby drills) are manufactured to Aerospace Standard 907

The jaws have a dedicated wire-holding groove behind the tips

Part Number: 62C300ASBSS

Flute Length 4-1/4"

Part Number DULSD9

#4 HSS Spiral Flute Taper Pin Reamer BoltsandNuts.com Cobalt screw machine drills (alsoProduct Description Tapered reamers turn a straight hole into a tapered hole into which standard taper pins will fit. The straight flute and spiral flute reamers are generally used by hand while the helical flute is designed for machine use. The square on the shanks of the straight and spiral fluted are suitable for holding in a tap wrench or vise. The straight flute taper pin reamer is recommended for most materials. The spiral flute taper pin reamer