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Dormer A7771.7 0374481 Jobber Drill Split Point DIN 338 1.70 mm
MODEL A7771.7
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Brand Minimum Order Quantity: 30
Typically Ships in: 1 day
Returnable: Yes
California Prop 65 warningBasic Standard
DIN 338
Coating
Bronze
Connection (shank) description
Cylindrical shank
Connection diameter - millimeter (DCON MS)
1.7
Cutting diameter - inch (DC)
0.0669
Cutting diameter - millimeter (DC)
1.7
Drill Length
Jobber
EDP number
374481
Hand (Cutting direction)
Right
Length chip flute - millimeter (LCF)
20
Material
HSS-E
Material application
K - Cast iron, P - Steel and cast steel, S - High-temperature alloys
MID number
5970992
Ordering code ANSI
A7771.7
Overall length - millimeter (OAL)
43
Point Angle (SIG)
135
Spiral form
Standard Spiral
Surface treatement
Steam Tempered
Usable length (ULDR)
4
Recommended for use in difficult materials and applications, the A777 drill from Dormer has a 135 degree split point which helps to self-center the drill and reduces the amount of force needed to drill the hole, whilst the bronze oxide finish helps stop work piece material from sticking to the cutting edge of the drill.
The A777 is made from premium high speed cobalt material which means it can be used for drilling hard materials, including tool steels.
Producing more accurate sized holes with a better finish, the A777 drill really is a great performer.
*Note: 4 Facet Point up to 1.4mm
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