Quick Change Heads


  • Save by purchasing one digger and adding a Quick Change Head for other digging options

  • Includes Digger Head and lower vacuum tube

  • Post Hole Digger 4, 5, 6 inch

  • Core Digger 4, 5, 6 inch

  • Reamers 8, 10, 12 inch

Clear selection


Quick Change Heads (QCH)

Post Hole Digger Quick Change Heads are available for a wide variety of post hole digging options. These Digger Heads are made for standard Holey-Moley Post Hole Digger, Core Digger, and the 8-inch EZ Rearmer heads.  Also available are the larger 10″ and 12″ diameter reamers.


Quick Change Digger, Core Digger and Reamer Heads
Quick Change Heads, Post Hole Diggers, Core Diggers and Reamers


All Post Hole Digger Heads make for rapid switching between digger bits.    As a result, you can save money by purchasing quick change heads for the other hole sizes you are interested in.

Family of Quick Change Heads (QCH’s)

Finally, to make it easy, Quick Change Heads are available for:

Post Hole Diggers –

  • 4-inch
  • 5-inch
  • 6-inch

Core Diggers –

  • 4-inch
  • 5-inch
  • 6-inch


  • 8-inch EZ Reamer
  • 10-inch Reamer
  • 12-inch Reamer

Digger Quick Change Heads are Interchangeable

All Post Hole Digger Heads, Core Digger Heads and Post Hole Reamer Heads are interchangeable.   Consequently, you can purchase one Fence Post Hole Digger Assembly which  includes the (handle assembly and upper vacuum tube) and just purchase a Quick Change Head for other Post Hole Digger sizes.

In addition, Quick Change Heads are available for Core Diggers and Reamers.  They all fit the same upper vacuum tube extensions and handle assemblies.  This saves you money and provides different tools for your digging requirements.

Post Hole Digger Heads


Core Digger Heads

Core Digger Quick Change Heads
Core Digger QCH 4, 5, and 6 inch


EZ Reamer Quick Change Head

EZ Reamer 8 inch Quick Change Head
EZ Reamer 8 inch QCH


Reamer 10″ and 12″ QCH

Hole Reamer Quick Change Head
Large Diameter 10″ and 12″ QCH


Digger Quick Change Head – Easy Swap-out

Any Post Hole Digger is easy to change-out with a different head by removing the two bolts on the vacuum tube connection.  As a result of interchangeable heads, the whole line of digger heads are easy change-out.

Vacuum Tube Extension Joint
Holey-Moley Digger Vacuum Tube Extension Joint

Universal Adapter on all QCH’s

The Holey Moley Digger line of tools all use a four bolt Universal Adapter with Nylock Nuts for attaching digger heads.   As a result, it’s easy to change out a Post Hole Digger Replacement Head with just 4 bolts.


Spare Parts

Need to replace a warn out digger head?  It’s easy, just purchase a replace digger head.  Finally, remove four bolts, remove and replace head, and tighten the four bolts.  Because the saw blades and the scraper blades are the parts that wear out, they are made to replace.   In addition, depending on the soil type, your digger head can last through hundreds of holes.   Also, if you do wear out a blade, it is easy to get a replacement. Another advantage of Holey Moley DIggers is the replaceable heads. These are available in three sizes, 4-inch,  5-inch and 6-inch.

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Quality Manufacturing

70 years of Manufacturing Experience

All Holey Moley Digger equipment is manufactured by Keene Engineering of Chatsworth, California.   Keene Engineering has been in business for 70 years making quality dredging and mining equipment.   All parts are have a 30 day replacement and 1 year manufacturing parts defect warranty.

Made in the USA

Cat 6 Tools is proud to manufacture most if its products in the USA.

Cat 6 Tools, attaches this sticker to products that are patented and made in the USA.

We’re here to help

Contact us at:

Cat 6 Tools, LLC
Cat 6 Tools, LLC
Henderson, NV

Additional information

Weight N/A
Dimensions N/A
Quick Change Head

4-inch Post Hole Digger QCH 1-91-1004-20, 5-inch Post Hole Digger QCH 1-91-1005-20, 6-inch Post Hole Digger QCH 1-91-1006-20, 4-inch Core Digger QCH 1-91-1104-12-20, 5-inch Core Digger QCH 1-91-1105-12-20, 6-inch Core Digger QCH 1-91-1106-12-20, 8-inch EZ Reamer QCH 1-91-1308-20, 10-inch Reamer QCH 1-91-1210-20, 12-inch Reamer QCH 1-91-1212-20


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