Best Pipe Tap Drill Sizes Chart

• Thread Size: 9/16-12 BSW
• Shank Side Width: 9mm / 0.35 inch
• Thread Length: 32mm / 1.26 inch
• Material: HSS (High Speed Steel)
• Total Length: 95mm / 3.74 inch
• Straight 4 flutes are ground to provide rapid chip removal for efficient threading.

• Titanium-coated nitride drill bits last longer and feature a cutting edge that stays sharp
• 135° split-point tip starts drilling immediately and helps eliminate walking
• IRWIN drill bits are great for repetitive metal drilling with portable drills and for use in stationary drill presses
• Includes 1/16" through 1/2" drill bit sizes in 1/64" increments
• Titanium nitride coating extends cutting edge life up to 6x