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Precision Twist Drill 501-12N18, part number 6001242, #18 (0.1695") HSS aircraft extension drill with black oxide finish and 135° point. NAS907 standard, 12" overall length, 2-1/8" flute length, cylindrical shank, right-hand cut. For aerospace holemaking in steel, stainless steel, cast iron, non-ferrous metals, and high-temperature alloys.
MODEL 6001242
This product has a minimum order quantity of (12 minimum) This is the minimum order quantity available when purchasing this product.
$18.98 Each
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ApplicationAngleIcon_DICT_SEL
Drill point 135°
Basic Standard
NAS907
Coating
Steam Tempered
Connection (shank) description
Cylindrical shank
Cutting diameter (wire gauge size) (DC)
N18
Cutting diameter - inch (DC)
0.1695"
Cutting diameter - millimeter (DC)
4.31
Drill Length
XL
Hand (Cutting direction)
Right
Length chip flute - fractional inch (LCF)
2.1/8
Length chip flute - inch (LCF)
2.125
Material
HSS
Overall length - fractional inch (OAL)
12
Overall length - millimeter (OAL)
304.8
Point Angle (SIG)
135
Spiral form
Standard Spiral
Surface treatement
Steam Tempered
Usable length (ULDR)
4
Made from premium High Speed steel, the drill bits are suitable for drilling many different materials including steels, aluminum and stainless steel, and have a steam oxide finish which prevents workpiece material from sticking to the cutting surfaces of the tool, so you get a clean and accurate result.
The 135 degree split point helps with self-centering and reduces the push force needed.
501-12 aircraft extension drills have a long overall length (12”) with a short flute which is especially recommended for stable drilling in areas which are hard to reach.
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