58501 Type 20-AG HSS Gold Oxide Spiral Point Plug Tap Set (12pc NC Tap & 190-AG Drill Set) 0.6875" ID Bores and mounting faces are

Bores and mounting faces are machined in one step

• 135Â degree split point for fast penetration and accurate starting without center punch

glass-filled bearings are self-lubricating and offer a low coefficient of friction

• Torque arm

Stem Seals PTFE (Spring loaded self-adjusting for long service life)

58501 Type 20-AG HSS Gold Oxide Spiral Point Plug Tap Set (12pc NC Tap & 190-AG Drill Set) 0.6875" ID Bores and mounting faces areSpiral point taps are designed for machine tapping through holes in a wide variety of materials. The point of the tap continuously ejects the chips ahead of the tap, eliminating chip disposal problems and thread damage. Gold Oxide low temperature stress relief that enhances lubricity, reduces friction and increases tap toughness. Click Here for product catalog Proudly Manufactured in the U. S. A