R10B21/64 Jobber Drill
Item #:
32RDJH
Product Info
010221
Jobber length drill with straight shank, diameter 0.3281” (21/64) with an overall length of 4.5/8” and flute length of 3.5/16” according to NAS907 Type B standard with 135° heavy duty split point, HSS with steam tempered finish for 4xD drilling without pecking in steel and cast iron
Jobber Drill
Item Specifications
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Drill point 135°
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NAS907
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8
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120
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8
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Steam Tempered
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Brazil
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21/64
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0.3281
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8.33
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35
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Right
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Primary use
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3.5/16
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Primary use
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K - Cast Iron(castings of iron and carbon alloys with >
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2% carbon content), M - Stainless steel(corrosion resistant steels with = 11% chromium content), P - Steel and cast steel(steels with alloy content = 10% and a hardness of <
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45HRC)
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HSS
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Possible use
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117.48
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4.5/8
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4.625
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Primary use
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135
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Inch
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Jobber Drill
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Cylindrical shank
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4