1/2-20 45 DEGREE HS STEP DRILL
Item #:
1-067-122
Product Info
APT
JOBBERS LENGTH
STRAIGHT SHANK
For Drilling 45° Chamfered Holes To-Be-Tapped (To produce approx. 70% thread)
An essential tool for every tool room. One tool does two jobs in a single pass. They can be sharpened repeatedly and are easily modified for any special length-of-step.
APT 1/2"-20 45 DEGREE HIGH SPEED STEEL STEP DRILL
Item Specifications
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45° Chamfered
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5-3/16"
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5/8"
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.452"
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7-1/8"
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1/2-20
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1-1/16"
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High Speed Steel
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0.47 lbs per EA