[FAQ] - Identifying Shank Style for Percussive Products

Question

How can I determine the shank and size of percussive products?

How do I know what size shank I need my tool steel to be?

Environment

Industrial Construction and Vehicle Repair

Answer

When challenged to ascertain shank style required for a percussive air tool products use the following guidance/reference(s) to validate.

• tools larger than air hammers typically have an abbreviated reference to the model number stamped into barrel as "Size:"
• Number 2-4 followed by "DA" indicates D-series
• number 1-4 indicates A-series
• "W" followed by number indicates W-series
• others include but are not limited to diggers, tampers, breakers et al

Terminology - Shank Styles

Air Hammers and Riveters*:

• .401 round shank (*.498 round shank for AVC26 series)

Scalers:

• Cleco style for 125,
• IR shank style for 170, 172, 180, 182

Chipping Hammers:

• shank can be .58 hex or .68 round
• collar can be oval or round
• note last characters of model number
  • 1SA indicates hex shank oval collar
  • 2SA indicates round shank oval collar
  • A1 indicates hex shank round collar
  • A2 indicates round shank round collar

Diggers:

• model dictates; shank is 7/8" hex by 3-1/4" or 1" hex by 4-1/4"

Pavement Breakers:

• model dictates; shank is 1" hex by 4-1/4" or 1-1/8" hex by 6" or 1-1/4" hex by 6"

Jackhammers and Rockdrills

• model dictates; shank is 7/8" hex by 3-1/4" or 7/8" hex by 4-1/4" or 1" hex by 4-1/4"

(IR offers many percussive tool accessories - - - see section beginning pg 72 in catalog at URL *HERE*)