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Dormer A7778.9 0375631 Jobber Drill Split Point DIN 338 8.90 mm
MODEL A7778.9
This product has a minimum order quantity of (10 minimum) This is the minimum order quantity available when purchasing this product.
$12.82 Each
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Returnable: Yes
California Prop 65 warningBasic Standard
DIN 338
Coating
Bronze
Connection (shank) description
Cylindrical shank
Connection diameter - millimeter (DCON MS)
8.9
Cutting diameter - inch (DC)
0.3504
Cutting diameter - millimeter (DC)
8.9
Drill Length
Jobber
EDP number
375631
Hand (Cutting direction)
Right
Length chip flute - millimeter (LCF)
81
Material
HSS-E
Material application
K - Cast iron, P - Steel and cast steel, S - High-temperature alloys
MID number
5971313
Ordering code ANSI
A7778.9
Overall length - millimeter (OAL)
125
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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