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500-1221/64 059021 Oxide 135° Extra Length Aircraft Extension Drill 21/64 inch
MODEL 500-1221/64
This product has a minimum order quantity of (6 minimum) This is the minimum order quantity available when purchasing this product.
$27.27 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: Yes
Basic Standard
NAS907
Coating
Steam Tempered
Connection (shank) description
Cylindrical shank
Cutting diameter - fractional inch (DC)
21/64"
Cutting diameter - inch (DC)
0.3281
Drill Length
XL
Hand (Cutting direction)
Right
Length chip flute - fractional inch (LCF)
3.5/16
Material
HSS
Overall length - fractional inch (OAL)
12
Point Angle (SIG)
135
Surface treatement
Steam Tempered
Usable length (ULDR)
4
500-12 aircraft extension drill bits, manufactured to NAS907 type B standard have a 135 degree split point which reduces the push force needed and is an aid to self-centering.
The tools have a long overall length (12”) with short flute, recommended for stable drilling in areas which are hard to reach, and come with a steam oxide finish to ensure a clean and accurate result by preventing workpiece material from sticking to the cutting surfaces of the tool.
500-12 aircraft extension drill bits are available in many fractional sizes from 3/64” to 1/2" and are manufactured from premium High Speed steel so can be used for drilling a wide range of materials including aluminum, stainless steel and steels.
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