BTH-1 has 17/64" cored hole 1" deep from small end and 1/2" diameter counterbore extending from large end to meet small hole. Used for revolving handle. All others have threaded brass insert.
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Suresh K.
Very impressed with the quality and fast delivery. Will shop here again.
4 days ago
Sneha T.
Received my product in pristine condition. Great service overall.
