Stainless Steel Adapter: [ 3/8" OD , 5/16"-24 MALE x 6mm-1 FEMALE ]
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Price : $7.50 |
The 3/8" diameter adapters are typically used on Speargun shafts to mate up different manufacturer spear tip products.
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Below is a picture comparing Thread Sizes, note the thread pitch and diameter differences. Those out there calling an 8mm thread the same as a 5/16" thread, this should clarify how wrong this thought is.
Did you know that there are 5 different 8mm sizes with different pitches?