R15COF Jobber Drill
Item #:
6SCJC
Product Info
08990
Jobber length drill with straight shank, diameter 0.2570” (F) with an overall length of 4.1/8” and flute length of 2.7/8” according to NAS907 Type J standard with 135° heavy duty split point, cobalt based HSS-E with bronze finish for 4xD drilling without pecking in steel, stainless steel, cast iron and super-alloy
Jobber Drill
Item Specifications
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Drill point 135°
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NAS907
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6
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107
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6
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Bronze
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Brazil
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F
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0.257
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6.53
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.2570in
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2
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20
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Right
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Primary use
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4 1/8in
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2.7/8
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2 7/8in
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Primary use
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Cobalt
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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), S - High-temperature alloys(superalloys with high temperature stength and corrosion resistant surpassing that of stainless steel)
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HSS-E
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Possible use
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104.78
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4.1/8
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4.125
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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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Jobber Drill
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Cylindrical shank
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F
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Inch
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4