Developed in an aerospace company to finish hand tapping small threads to depth in very expensive valve bodies.
Paul Jones (10-18-2014)
Thanks toolsrul! We've added this to our Drilling and Tapping and Metalworking categories, and to your homemade tools page: toolsrul's Homemade Tools. Your receipt:
Miniature Tap Handles by toolsrultags: tapping, hand tools
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