T-Wrench for Tightening the Banjo Head 6.3, 1/4, 9/32 + 5/16

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Banjo Head T-Wrenches  - Banjo Head Tightening Key to Tighten Banjo Heads With

We carry the most common wrench sizes for tightening your banjo head

Find the right size banjo head tightening key T-Wrench sizes for tightening your banjo head.
Head Tightening Tools in the most common sizes, Most common 1/4 inch or 6.5mm, 5/8 or 7mm and the larger 5/16 or 7.3mm size.
banjo wrench
1/4 inch Standard T-Wrench - PB-081 - $12.95

The 1/4 inch or 6.5 mil Banjo T-Wrench fits most standard size Heavier Bluegrass Banjos that have a one piece flange, 3 ply maple rim and flat head tone ring. Banjos patterned after the Gibson Mastertone design like Goldtone, Recording King, Gold Star, Gibson, Deering, Stelling, and most resonator bluegrass banjos made today.

banjo wrench
6.3 mil T-Wrench (slightly smaller than 1/4 inch) - $12.95

The 6.3mil Banjo T-Wrench is slightly smaller than the standard 1/4 inch used for the more expensive heavier bluegrass banjos. It fits most beginner banjos with the smaller nut size like Oscar Schmidt, Gretch, Fender, Washburn and other "aluminum pot" banjos (AKA, bottle cap banjos) and generally speaking most banjos that cost under 400 to 500 dollars new. Its the correct wrench for Gold Tone beginner banjos. the Gold Tone AC-1, AC-5, CC 100R, CC 100R Plus, CC 50, Recording King RK-OH, and banjos like the Savannah SB-100 and Morgan Monroe RT B-24.

banjo wrench
9/32 inch - Deering T-Wrench for Goodtime and Artisan Banjos - $$12.95
If you need to tighten and tune the banjo head on a Deering Goodtime or any Deering Artisan Banjos the wrench for those is a bit bigger. It is the 9/32- wrench.

banjo wrench
7.0 mm T-Wrench - PB-080 - (7.0 mill is in between 1/4 and 9/16) $12.95 - This size is between the 1/4 inch and 9/32 size which fits some types of open back like the Recording King OT-25 and SOME beginner banjos with attached resonators, like the Recording King RK20 and Morgan Monroe MNB-1

banjo wrench

9/32 inch - Generic T-Wrench - 
$12.95 fits OPEN BACK Banjos used for Old Time and Clawhammer banjo styles with a larger than the standard 1/4 inch nut size Tip - and fits Goodtime Deering Beginner Banjos.

5/16 or 7.3 mil T-Wrench 5/16 For Largest Bracket Nuts that have ball on the end. $19.95
Fits OPEN BACK Banjos with the larger ball shape on the nut.
This is the more common Open Back Old Time Banjo Bracket Nut size. They look like these


The wrenches can be exchanged if the size you purchase does not fit.


  • 1/4 inch Standard T-Wrench - PB-081 - $12.95
  • 6.3mm T-Wrench (slightly smaller than 1/4 inch) - $12.95
  • 9/16 Deering T-Wrench for Goodtime or Artisan Banjos - $12.95
  • 9/32 inch - Generic T-Wrench - $12.95
  • 7.0mm T-Wrench - PB-080 - (7.0 mil is between 1/4 and 9/32) $9.95
  • 5/16 T-Wrench - For Largest Bracket Nuts with ball on the end - 19.95

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