Ajax Air Hammer (Zip Gun) Chisels Home › Ajax Tools › Ajax Air Hammer (Zip Gun) Chisels Ajax Bushing Splitter 0.401 Air Hammer Chisel 906Regular Price: $13.70On Sale For: $13.70 Ajax Claw Ripper Edging Tool 0.401 Air Hammer Chisel 3105Regular Price: $26.62On Sale For: $24.20 Ajax Flat Air Hammer Chisel 1-1/2"x6-1/2" 0.401 910-1-1/2Regular Price: $15.68On Sale For: $14.25 Ajax Flat Air Hammer Chisel 3/4"x11" 0.401 910-11Regular Price: $15.35On Sale For: $13.95 Ajax Flat Air Hammer Chisel 3/4"x6-1/2" 0.401 910Regular Price: $10.84On Sale For: $9.85 Ajax Single Blade Cutter 0.401 Air Hammer Chisel 923Regular Price: $13.86On Sale For: $12.60 Ajax Tapered Punch 0.401 Shank Air Hammer Chisel 911Regular Price: $10.84On Sale For: $9.85 Ajax Wide Chisel/Scraper 1-5/16"x6-1/2" 0.401 Shank Air Hammer Chisel 905Regular Price: $13.92On Sale For: $12.65 Ajax Flat Air Hammer Chisel 1-1/2"x6-1/2" 0.498 960-1-1/2Regular Price: $21.01On Sale For: $19.10 Ajax Flat Air Hammer Chisel 5/8"x18" 0.498 960-18Regular Price: $28.33On Sale For: $25.75 Ajax Flat Air Hammer Chisel 5/8"x7" 0.498 960Regular Price: $17.05On Sale For: $15.50 Ajax Tapered Punch 0.498 Shank Air Hammer Chisel 961Regular Price: $17.05On Sale For: $15.50 Ajax Wide Chisel/Scraper 1-5/16"x7" .498 Shank 955Regular Price: $17.77On Sale For: $16.15 Ajax tools makes a wide range of air hammer / zip gun chisel bits for scraping, chiseling, cutting, punch, ripping, splitting, etc. There are 2 common sizes of zip gun chisel bits .401 and .498. For each specific size there are also two types of bits Turn Type and Non-Turn Type. As you would imagine the turn type has a collet and is free to rotate while the non-turn type has 4 ball slots to keep the chisel from turning. Any air hammer can become a needle scaler with the proper ajax attachement.