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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Diameter/Pitch: 1"-12
Part Number DWT60885
Part Number: M8C1000RODA2
Plain type combined drills and countersinks are used to producing center hole in workpieces which require precision drilling or machining between centers
The teeth are hardened to 45–50 HRC and should not chip or strip even on fasteners up to Grade 8 or Class 12
1-1/8" X 7/16" Pilots for Counterbore Quantity:1 Diameter/Pitch: 1"-12Product Description Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1 8" or less), the operations is usually known as spot facing; for example, a flat seat for a bolt head or nut. If, on the other hand, the hole is enlarged to a considerable depth, it is designated as counterboring. These counterbores are made of two piece construction, having an integral shank and
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