M41CON21 Stub Drill
Item #:
21DCMC
Product Info
40290
Stub length drill with straight shank, diameter 0.1590” (N21) with an overall length of 2.1/8” and flute length of 1.1/16” according to ANSI standard with 135° split point, cobalt based HSS-E with bronze finish for 2.5xD drilling without pecking in steel, stainless steel, cast iron and super-alloy
Stub Drill
Item Specifications
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Drill point 135°
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ANSI
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4
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57
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4
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Bronze
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Brazil
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0.159
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4.04
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N21
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.1590in
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2
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4
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Right
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Primary use
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2 1/8in
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1.1/16
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1 1/16in
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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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53.98
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2.1/8
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2.125
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Primary use
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135
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Inch
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Stub Drill
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Cylindrical shank
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#21
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Inch
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2.5