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8" Concrete Piers
GEM Mounts
8" Pier Top Plate Combo for GEM Mounts

Installation Diagram
4 Week Lead Time
4 Week Lead Time
4 Week Lead Time
8" Pier Top Base Kit:
  ) 8" Diameter 1/2" Thick Pier Top Plate
  ) Anodized Aluminum Spacers
  ) 3/8" Stainless Steel Bolts
International and Custom Orders
Call or eMail for shipping charges outside the Continental USA ...........................

8" Pier Top Base Kit
$
110.00 USD + $10.00 Shipping in the Continental USA ............................
4 Week Lead Time
>>
Related Products
5/8" x 12" L-Style Stainless Steel Anchor Bolt Kit
Ordering Information
8" Pier Top Plate Combo for
GEM Mounts includes:
  )
8" Pier Top Base Kit
  )
8" AP-GEM Adapter Kit


8" AP-GEM Adapter Kit:
  ) 8" Diameter AP-GEM Adapter Plate
  ) Stainless Steel Shoulder Bolts **
  ) Stainless Steel Center Bolt
     ** included for use with 12" pier plates
12" Pier Top Plate Combo for GEM Mounts
8" Pier Top Plate Combo for GEM Mounts
$
209.00 USD + $20.00 Shipping in the Continental USA ............................
8" Pier Top Plate Combo for GEM Mounts + 5/8" Anchor Bolt Kit
$
256.00 USD + $32.00 Shipping in the Continental USA ............................
8" AP-GEM Adapter Kit
$
110.00 USD + $10.00 Shipping in the Continental USA ............................
Compatibility:
  ) Losmandy GM-8/G-11 Mounts
*
  ) Astro-Physics Mach-1 Mount **
  ) Astro-Physics AP-900/1100 Mount ***
  ) Takahashi NJP Mount

   
* Requires Losmandy MA adapter
  ** Requires AP ADATRI Tripod Adapter
*** Requires AP 900FSA or 119FSA Flat Surface Adapter

This kit combines our standard 8" pier top base kit with our 8" adapter for GEM (German Equatorial) mounts. The GEM adapter mounts to the 8" base plate with bolts from underneath. The GEM  adapter supports multiple mounts (see compatibility list below). The 8" GEM Adapter kit may also be purchased separately.

This combination may also be purchased with our 5/8" stainless steel anchor bolt kit.

Additional Images