Stainless Steel Adapter: [ 3/8" OD , 6mm-1 MALE x 6mm-1 MALE ]

Price : $8.00

The 3/8" diameter adapters are typically used on Speargun shafts to mate up different manufacturer spear tip products.

Got a few different spergun tips and mixing and matching parts, this can come in handy.

The spud is ~ .271" diameter, fits many spear parts with a .272" counter bore. Why .272" A drill Size I...

 

 

 

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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?