Southwire SB1/4-1-3/8 Step Bit, DBL Strt-Flute, 1/4" to 1-3/8"
FEATURES:
• Split point self-starting tip requires no pilot hole and penetrates faster.
• Tri-lobe shank reduced slippage and firm grim in the chuck.
• Laser etched sizes for easy identification.
• Double flute design for fast cuts and a true round hole every time.
Aeronca x 1 all
