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Precision Twist Drill R40C1/2, part number 5999400, 1/2" (0.5") HSS heavy duty jobber drill with black oxide finish and 135° point. NAS907 standard, right-hand cut, cylindrical shank. 2-1/4" flute length, 3-3/4" overall length. Suitable for steel, stainless steel, cast iron, and high-temperature alloys.
MODEL 5999400
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$13.88 Each
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ApplicationAngleIcon_DICT_SEL
Drill point 135°
Basic Standard
NAS907
Coating
Steam Tempered
Cutting diameter - fractional inch (DC)
1/2
Cutting diameter - inch (DC)
0.5
Cutting diameter - millimeter (DC)
12.7
Hand (Cutting direction)
Right
Length chip flute - fractional inch (LCF)
2.1/4
Length chip flute - inch (LCF)
2.25
Material
HSS
Overall length - fractional inch (OAL)
3.3/4
Overall length - millimeter (OAL)
95.25
Point Angle (SIG)
135
Shank
Cylindrical shank
Usable length (ULDR)
2.5
Available in sizes from 1/16 inch to 1/2 inch in increments of 1/64 inch, R40C screw machine length jobber drills are manufactured to NAS 907 type C standards and from premium High Speed Steel for use in many materials, including aluminum, steel and stainless steel, and have a steam oxide finish which prevents workpiece material from sticking to the cutting edges of the tool, so you get clean and accurate holes.
As an aid to self-centering and to reduce the push force needed, the drills come with a 135 degree split point, and are very versatile drills, being suitable for use in many different hand-held and machine applications.
Drill bits
Verified · SKU 6087237Work well very sharp Read more
