Ajax Fasteners Resources

The Ajax A9 Scraper Blade Bolt is designed to excel and blow away the competition. The Ajax A9 Scraper Blade Bolt is a premium system manufactured to the 170,000 psi range leaving the competition well behind at a mere 155,000 psi spec. Don’t settle for bolts that break, choose Ajax brand and Creighton Rock Drill stock.

Ajax
A9 Scraper Blade Bolts

A9 Scraper Blade Bolts

A9 Scraper Blade Bolts

The Ajax A9 Scraper Blade Bolt is designed to excel and blow away the competition. The Ajax A9 Scraper Blade Bolt is a premium system manufactured to the 170,000 psi range leaving the competition well behind at a mere 155,000 psi spec. Don’t settle for bolts that break, choose Ajax brand and Creighton Rock Drill stock.

A9 scraper blade bolts are made from high grade steel for added toughness. These superior bolts have roll formed threads with blended radiused root thread run-out increases resistance to fatigue. Cold forging provides a formed square neck and a raised spherical formed head for greater strength.

Heat treatment for scraper blade bolts provides:

  • a min. tensile strength of 170,000 PSI (14% higher than SAE Grade 8)
  • core hardness of Rockwell RC36-42
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