Supergrit Abrasives

6" Bore Polisher Extension Shafts (54186)

6" Bore Polisher Extension Shafts (54186) - Main image
$2.84 $4.5 In stock

The 6" Bore Polisher Extension Shafts (54186) are offered by Supergrit Abrasives under SKU code EXT6. This listing is for the extension shaft in the Standard option.

  • Product name: 6" Bore Polisher Extension Shafts (54186)
  • Brand: Supergrit-Dev
  • SKU: EXT6
  • Option: Standard

Please review the product name and SKU details above to confirm this is the extension shaft you need for your bore polishing setup.

Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.6 / 5 · 5 reviews)

Zoe N. ★★★★★

Needed a longer reach for some tight engine ports, and this shaft fit right onto my existing chuck without any wobble. The steel feels solid enough to handle steady pressure, and it got the job done smoothly.

Nicholas ★★★★★

Bought this 6" extension shaft for a tight bore job and it saved my arms from contorting at weird angles. Threads are clean and it locks onto my polisher without any wobble at speed. Exactly the standard option I needed, nothing fancy, but it does the work.

Matthew K. ★★★★★

The threaded ends on this 6" shaft are cut clean and true, so it spins perfectly without any wobble when I use it on my drill. I’ve already run it through a few heavy polishing jobs on some aluminum bore holes and it’s holding up great.