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Precision Twist Drill 2ACO7.9, part number 6000553, 7.9 mm (0.311") HSS-E cobalt heavy duty jobber drill with bronze finish and 135° point. DIN 338 standard, right-hand cut, cylindrical shank. 75 mm flute length, 117 mm overall length. Suitable for steel, stainless steel, cast iron, and high-temperature alloys.
MODEL 6000553
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$12.35 Each
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Drill point 135°
Basic Standard
DIN 338
Coating
Bronze
Connection (shank) description
Cylindrical shank
Connection diameter - millimeter (DCON MS)
7.9
Cutting diameter - inch (DC)
0.311
Cutting diameter - millimeter (DC)
7.9
Drill Length
Jobber
Hand (Cutting direction)
Right
Length chip flute - millimeter (LCF)
75
Length chip flute - inch (LCF)
2.9528
Material
HSS-E
Overall length - millimeter (OAL)
117
Overall length - inch (OAL)
4.6063
Point Angle (SIG)
135
Spiral form
Standard Spiral
Surface treatement
Steam Tempered
Usable length (ULDR)
4
2ACO heavy duty Jobber drill bits are manufactured to NAS 907, Type J standard, from premium High Speed cobalt and are suitable for drilling hard materials including tool steel and have a heavy duty design, recommended for use in difficult materials and applications.
The 135 degree split point is an aid to self-centering and reduces the push force needed, whilst the bronze oxide finish prevents workpiece material from sticking to the cutting edges of the tool so you get clean and accurate results.
2ACO Jobber drill bits are available in many sizes from 1 mm to 13 mm.
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