1/4" (0.2500") Diameter. 0.500" Working Length. 0.750 Body Length. 1/4-28 thread. Made of extra durable Cobalt Steel.
THREADED DRILL BITS
Specifications: 135° split-point angle prevents walking . 1/4-28 threaded shank . Surface treated to resist abrasion and minimize tendency of soft metals to load drill, making it ideally suited for drilling Aluminum and mild Steel
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